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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:56:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:56:50 +0000
commit8e9f8f2d0dcdddec35091ddbbdc79650763ec922 (patch)
tree4f88ed317d44fb4e5d9ab77e565bf1d910a8f560 /samples
parentInitial commit. (diff)
downloadlynx-8e9f8f2d0dcdddec35091ddbbdc79650763ec922.tar.xz
lynx-8e9f8f2d0dcdddec35091ddbbdc79650763ec922.zip
Adding upstream version 2.9.0dev.6.upstream/2.9.0dev.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--samples/blue-background.lss95
-rw-r--r--samples/bright-blue.lss77
-rw-r--r--samples/cernrules.txt640
-rw-r--r--samples/home.htm31
-rw-r--r--samples/installdirs.html18
-rw-r--r--samples/jumps.htm33
-rw-r--r--samples/jumpsUnix.html56
-rw-r--r--samples/jumpsVMS.html28
-rwxr-xr-xsamples/keepviewer20
-rw-r--r--samples/lynx-demo.cfg46
-rw-r--r--samples/lynx-keymaps161
-rw-r--r--samples/lynx.bat31
-rw-r--r--samples/lynx.com59
-rw-r--r--samples/lynx.icobin0 -> 5174 bytes
-rw-r--r--samples/lynx.lss115
-rw-r--r--samples/lynx_bookmarks.htm13
-rwxr-xr-xsamples/lynxdump16
-rw-r--r--samples/mailcap99
-rwxr-xr-xsamples/mailto-form.pl280
-rw-r--r--samples/midnight.lss84
-rw-r--r--samples/mild-colors.lss59
-rw-r--r--samples/mime.types26
-rwxr-xr-xsamples/oldlynx24
-rw-r--r--samples/oldlynx.bat44
-rw-r--r--samples/opaque.lss48
25 files changed, 2103 insertions, 0 deletions
diff --git a/samples/blue-background.lss b/samples/blue-background.lss
new file mode 100644
index 0000000..9c5d492
--- /dev/null
+++ b/samples/blue-background.lss
@@ -0,0 +1,95 @@
+# From: Sergey Svishchev <svs@ropnet.ru>
+# Notes:
+# I use this in OS/2 VIO window, and occasionally on Linux console.
+
+# Setting the normal and default types lets us keep (almost) the same colors
+# whether the terminal's default colors are white-on-black or black-on-white.
+# It is not exact since the default "white" is not necessarily the same color
+# as the ANSI lightgray, but is as close as we can get in a standard way.
+#
+# If you really want the terminal's default colors, and if lynx is built using
+# ncurses' default-color support, remove these two lines:
+normal: normal: lightgray: blue
+default: normal: white: blue
+
+# Normal type styles correspond to HTML tags.
+#
+# The next line (beginning with "em") means: use bold if mono, otherwise
+# brightblue on <defaultbackground>
+em: bold: brightgreen: blue
+strong: bold: brightred: blue
+b: bold: white: blue
+i: bold: yellow: blue
+alink: reverse: white: cyan
+a: bold: cyan: blue
+img: dim: gray: blue
+status: reverse: white: green
+fig: normal: gray: blue
+caption: reverse: brown: blue
+hr: normal: yellow: blue
+blockquote: normal: brightblue: blue
+#ul:normal: brown:blue
+address: normal: magenta: blue
+#title: normal:magenta:blue
+tt: dim: gray: blue
+h1: bold: yellow: blue
+label: normal: magenta: blue
+value: normal: green: blue
+q: normal: yellow: magenta
+small: dim: gray: blue
+big: bold: yellow: blue
+sup: bold: yellow: blue
+sub: dim: gray: blue
+
+# glitch fixes
+area: normal: lightgray: blue
+body: normal: lightgray: blue
+br: normal: lightgray: blue
+center: normal: lightgray: blue
+center.header: normal: lightgray: blue
+div: normal: lightgray: blue
+font: normal: lightgray: blue
+font.letter: normal: lightgray: blue
+h2: normal: lightgray: blue
+h3: normal: lightgray: blue
+h4: normal: lightgray: blue
+h5: normal: lightgray: blue
+h6: normal: lightgray: blue
+head: normal: lightgray: blue
+link: normal: lightgray: blue
+map: normal: lightgray: blue
+meta: normal: lightgray: blue
+p: normal: lightgray: blue
+table: normal: lightgray: blue
+td: normal: lightgray: blue
+tr: normal: lightgray: blue
+title: normal: lightgray: blue
+
+form: normal: lightgray: blue
+input: normal: lightgray: blue
+input.submit: normal: cyan: blue
+select: normal: lightgray: blue
+option: normal: lightgray: blue
+
+pre: normal: lightgray: blue
+dd: normal: lightgray: blue
+dt: normal: lightgray: blue
+ul: normal: lightgray: blue
+li: normal: lightgray: blue
+
+base: normal: lightgray: blue
+iframe: normal: lightgray: blue
+cite: normal: yellow: blue
+
+span.htmlsrc_comment:normal: green: blue
+span.htmlsrc_tag:normal: brightgreen: blue
+span.htmlsrc_attrib:normal: brightcyan: blue
+span.htmlsrc_attrval:normal: white: blue
+span.htmlsrc_abracket:normal: brightgreen: blue
+span.htmlsrc_entity:normal: white: blue
+##span.htmlsrc_href:
+##span.htmlsrc_entire:
+span.htmlsrc_badseq:normal: red: blue
+span.htmlsrc_badtag:normal: red: blue
+span.htmlsrc_badattr:normal: red: blue
+span.htmlsrc_sgmlspecial:normal: yellow: blue
diff --git a/samples/bright-blue.lss b/samples/bright-blue.lss
new file mode 100644
index 0000000..534e9c1
--- /dev/null
+++ b/samples/bright-blue.lss
@@ -0,0 +1,77 @@
+# From: Ilya Zakharevich <ilya@math.ohio-state.edu>
+#
+# Colors: black, red, green, brown, blue, magenta, cyan,
+# lightgray, gray, brightred, brightgreen, yellow, brightblue,
+# brightmagenta, brightcyan, white.
+#
+# On some terminals combination of background and foreground of different
+# brightness is not supported.
+#
+# Normal type styles correspond to HTML tags.
+#
+# default should be the *last* line
+normal: normal: brightcyan: blue
+default: normal: brightcyan: blue
+
+# match "link":
+input: normal: green
+textarea: normal: white: cyan
+
+input.type.submit:normal: blue: black
+# type-less input is the same as type=text (similar to textarea)
+input.type.: normal: white: cyan
+input.type.text:normal: white: cyan
+input.type.password:normal: white: cyan
+input.type.file:normal: brightred: cyan
+
+# Shows gray on black?!
+edit.current:normal: yellow: lightgray
+#edit.current:normal:yellow:white
+edit.active:normal: black: white
+edit.active.marked:normal: white: black
+edit.prompt:normal: white: gray
+edit.prompt.marked:normal: black: white
+edit.active.arrow:normal: red: white
+edit.prompt.arrow:normal: red: gray
+edit.active.pad:normal: red: lightgray
+edit.prompt.pad:normal: white: black
+
+option:normal: red: black
+#alink:normal:red:green
+
+scroll.arrow: bold: white: default
+scroll.noarrow: normal: black: default
+scroll.bar: bold: white
+#scroll.back:reverse:green:red
+
+status: reverse: yellow: black
+h1: bold: yellow: black
+em: bold: white
+title: normal: magenta: black
+i: bold: white
+table: normal: white
+blockquote: normal: white
+
+menu.bg: normal: black: lightgray
+menu.frame: normal: black: lightgray
+menu.entry: normal: white: gray
+menu.n: normal: white: gray
+menu.active: normal: white: black
+menu.sb: normal: brightred: lightgray
+
+forwbackw.arrow:bold: red: default
+hot.paste: normal: brightred: gray
+
+# FIXME: what are these?
+em.a: reverse: black: blue
+em.b: reverse: white: black
+font.letter: normal: default: black
+link.blue: bold: white: brightblue
+link.blue.prev: bold: yellow: brightblue
+li.blue: bold: blue: black
+link.blue.next: bold: blue: black
+
+INCLUDE:lynx.lss
+
+# default should be the *last* line
+#?default: normal: brightcyan: blue
diff --git a/samples/cernrules.txt b/samples/cernrules.txt
new file mode 100644
index 0000000..6df8b30
--- /dev/null
+++ b/samples/cernrules.txt
@@ -0,0 +1,640 @@
+# This files contains examples and an explanation for the RULESFILE / RULE
+# feature.
+#
+# Rules for Lynx are experimental. They provide a rudimentary capability
+# for URL rejection and substitution based on string matching.
+# Most users and most installations will not need this feature, it is here
+# in case you find it useful. Note that this may change or go away in
+# future releases of Lynx; if you find it useful, consider describing your
+# use of it in a message to <lynx-dev@nongnu.org>.
+#
+# Syntax:
+# =======
+# Summary of common forms:
+#
+# Fail URL1
+# Map URL1 URL2 [CONDITION]
+# Pass URL1 [URL2] [CONDITION]
+# Redirect URL1 URL2 [CONDITION]
+# RedirectPerm URL1 URL2 [CONDITION]
+# UseProxy URL1 PROXYURL [CONDITION]
+# UseProxy URL1 "none" [CONDITION]
+#
+# Alert URL1 MESSAGE [CONDITION]
+# AlwaysAlert URL1 MESSAGE [CONDITION]
+# UserMsg URL1 MESSAGE [CONDITION]
+# InfoMsg URL1 MESSAGE [CONDITION]
+# Progress URL1 MESSAGE [CONDITION]
+#
+# As you may have guessed, comments are introduced by a '#' character.
+# Rules have the general form
+# Operator Operand1 [Operand2] [CONDITION]
+# with words separated by whitespace. Words containing space can be quoted
+# with "double quotes". Although normally this should not be necessary
+# necessary for URLs, it has to be used for MESSAGE Operands in Alert etc.
+# See below for an explanation of the optional CONDITION.
+#
+# Recognized operators are
+#
+# Fail URL1
+# Reject access to this URL, stop processing further rules.
+#
+# Map URL1 URL2
+# Change the current URL to URL2, then continue processing.
+#
+# Pass URL1 [URL2]
+# Accept this URL and stop processing further rules; if URL2
+# is given, apply this as the last mapping.
+# See the next item for reasons why you generally don't want to "pass"
+# a changed URL.
+#
+# RedirectTemp URL1 URL2
+# RedirectPerm URL1 URL2
+# Redirect [STATUS] URL1 URL2
+# Stop processing further rules and redirect to URL2, just as if lynx had
+# received a HTTP redirection with URL2 as the new location. This means that
+# URL2 is subject to any applicable permission checking, if it passes a new
+# request will be issued (which may result in a new round of rules checking,
+# with a new "current URL") or the new URL might be taken from the cache, and,
+# after successful loading, lynx's idea of what the loaded document's URL is
+# will be fully updated. All this does not happen if you just "pass" a changed
+# URL (or let it fall through), so this is generally the preferred way for
+# substituting URLs.
+# If the RedirectPerm variant is used, or if the optional word is supplied and
+# is either "permanent" or "301", act as if lynx had received a permanent
+# redirection (with HTTP status 301). In most cases this will not make a
+# noticeable difference. Lynx may cache the location in a special way for 301
+# redirections, so that the redirection is followed immediately the next time
+# the same original URL is accessed, without re-checking of rules. Therefore
+# the permanent variant should never be used if the desired outcome of rules
+# processing depends on variable conditions (see CONDITIONS below) or on
+# setting a special flag (see next item).
+#
+# PermitRedirection URL1
+# Mark following redirection as permitted, and continue processing. Some
+# redirection locations are normally not allowed, because permitting them in a
+# response from an arbitrary remote server would open a security hole, and
+# others are not allowed if certain restrictions options are in effect. Among
+# redirection locations normally always forbidden are lynxprog: and lynxexec:
+# schemes. With "default" anonymous restrictions in effect, many URL schemes
+# are disallowed if the user would not be allowed to use them with 'g'oto.
+# This rule allows to override the permission checking if rules processing ends
+# with a Redirect (including the RedirectPerm or RedirectTemp forms). It is
+# ignored otherwise, in particular, it does not influence acceptance if rules
+# processing ends with a "Pass" and a real redirection is received in the
+# subsequent HTTP request. If redirections are chained, it only applies to the
+# redirection that ends the same rules cycle. Note that the new URL is still
+# subject to other permission checks that are not specific to redirections; but
+# using this rule may still weaken the expected effect of -anonymous,
+# -validate, -realm, and other restriction options, including TRUSTED_EXEC and
+# similar in lynx.cfg, so be careful where you redirect to if restrictions are
+# important!
+#
+# UseProxy URL1 PROXYURL
+# Stop processing further rules, and force access through the proxy given by
+# PROXYURL. PROXYURL should have the same form as required for foo_proxy
+# environment variables and lynx.cfg options, i.e., (unless you are trying to
+# do something unusual) "http://some.proxy-server.dom:port/". This rule
+# overrides any use of a proxy (or external gateway) that might otherwise apply
+# because of environment variables or lynx.cfg options, it also overrides any
+# "no_proxy" settings.
+#
+# UseProxy URL1 none
+# Mark request as NOT using any proxy (or external gateway), and continue
+# processing(!). For a request marked this way, any subsequent UseProxy
+# rule with a PROXYURL will be ignored, and any use of a proxy (or external
+# gateway) that might otherwise apply because of environment variables or
+# lynx.cfg options will be overridden. Note that the marking will not
+# survive a Redirect rule (since that will result, if successful, in a
+# new request).
+#
+# Alert URL1 MESSAGE
+# AlwaysAlert URL1 MESSAGE
+# UserMsg URL1 MESSAGE
+# InfoMsg URL1 MESSAGE
+# Progress URL1 MESSAGE
+# These produce various kinds of statusline messages, differing in whether
+# a pause is enforced and in its duration, immediately when the rule is
+# applied. AlwaysAlert shows the message text even in non-interactive mode
+# (-dump, -source, etc.). Rule processing continues after the message is
+# shown. As usual, these rules only apply if URL1 matches. MESSAGE is
+# the text to be displayed, it can contain one occurrence of "%s" which
+# will be replaced by the current URL, literal '%' characters should be
+# doubled as "%%".
+#
+# Rules are processed sequentially first to last for each request, a rule
+# applies if the current URL matches URL1. The current URL is initially the
+# URL for the resource the user is trying to access, but may change as the
+# result of applied Map rules. case-sensitive (!) string comparison is used,
+# in addition URL1 can contain one '*' which is interpreted as a wildcard
+# matching 0 or more characters. So if for example
+# "http://example.com/dir/doc.html" is requested, it would match any of
+# the following:
+# Pass http:*
+# Pass http://example.com/*.html
+# Pass http://example.com/*
+# Pass http://example*
+# Pass http://*/doc.html
+# but not:
+# Pass http://example/*
+# Pass http://Example.COM/dir/doc.html
+# Pass http://Example.COM/*
+#
+# If a URL2 is given and also contains a '*', that character will be
+# replaced by whatever matched in URL1. Processing stops with the
+# first matching "Fail" or "Pass" or when the end of the rules is reached.
+# If the end is reached without a "Fail" or "Pass", the URL is allowed
+# (equivalent to a final "Pass *").
+#
+# The requested URL will have been transformed to Lynx's normal
+# representation. This means that local file resources should be
+# expected in the form "file://localhost/<path using slash separators>",
+# not in the machine's native representation for filenames.
+#
+# Anyone with experience configuring the venerable CERN httpd server will
+# recognize some of the syntax - in fact, the code implementing rules goes
+# back to a common ancestor. But note the differences: all URLs and URL-
+# patterns here have to be given as absolute URLs, even for local files.
+# (Absolute URLs don't imply proxying.)
+#
+# CONDITIONS
+# ----------
+# All rules mentioned can be followed by an optional CONDITION, which can
+# be used to further restrict when the rule should be applied (in addition
+# to the match on URL1). A CONDITION takes one of the forms
+# "if" CONDITIONFLAG
+# "unless" CONDITIONFLAG
+# and currently two condition flags are recognized:
+# "userspecified" (or abbreviated "userspec")
+# "redirected"
+# To explain these, first some terms need to be defined. A "request"
+# is...
+#
+# A user action (like following a link, or entering a 'g'oto URL) can either be
+# rejected immediately (for example, because of restrictions in effect, or
+# because of invalid input), or can generate a "request". For the purpose of
+# this discussion, a "request" is the sequence of processing done by lynx,
+# which might ultimately lead to an actual network request and loading and
+# display of data; a request can also result in rejection (for example, some
+# restrictions are checked at this stage), or in a redirection. A redirection
+# in turn can be rejected (which makes the request fail), or can automatically
+# generate a new request. A "request chain" is the sequence of one or more
+# requests triggered by the same user event that are chained together by
+# redirections.
+# For each request, some URL schemes are handled (or rejected) specially, see
+# Limitation 1 below, the others are passed to the generic access code. Rules
+# processing occurs at the beginning of the generic access code, before a
+# request is dispatched to the scheme-specific protocol module (but after
+# checking whether the request can be satisfied by re-displaying an already
+# cached document).
+# With these definitions, the meaning of the possible CONDITIONFLAGS:
+#
+# if redirected
+# The rule applies if the current request results from a redirection;
+# whether that was a real HTTP redirection or one generated by a rule
+# in the previous request makes no difference. In other words, the
+# condition is true if the current request is not the first one in the
+# request chain.
+#
+# if userspecified
+# The rule applies if the initial URL of the request chain was specified
+# by the user. Lynx marks a request as "user specified" for URLs that
+# come from 'g'oto prompts, as well as for following links in a bookmark
+# or Jump file and some other special (lynx-generated) pages that may
+# contain URLs that were typed in by the user.
+# Note that this is not a property of the request, but of the whole request
+# chain (based on where the first request's URL came from). The current
+# URL may differ from what the user typed
+# - because of initial fixups, including conversion of Guess-URLs and file
+# paths to full URLs,
+# - because of Map rules applied, and/or
+# - because of a previous redirection.
+# So to make reasonably sure a suspicious or potentially dangerous URL has
+# been entered by the user, i.e. is not a link or external redirection
+# location that cannot be trusted, a combination of "userspecified" and
+# "redirected" flags should be used, for example
+# Fail URL1 unless userspecified
+# Fail URL1 if redirected
+# ...
+#
+# CAVEAT
+# ======
+# First, to squash any false expectations, an example for what NOT TO DO.
+# It might be expected that a rule like
+# Fail file://localhost/etc/passwd # <- DON'T RELY ON THIS
+# could be used to prevent access to the file "/etc/passwd". This might
+# fool a naive user, but the more sophisticated user could still gain
+# access, by experimenting with other forms like (@@@ untested)
+# "file://<machine's domain name>/etc/passwd" or "/etc//passwd"
+# or "/etc/p%61asswd" or "/etc/passwd?" or "/etc/passwd#X" and so on.
+# There are many URL forms for accessing the same resource, and Lynx
+# just doesn't guarantee that URLs for the same resource will look the
+# same way.
+#
+# The same reservation applies to any attempts to block access to unwanted
+# sites and so on. This isn't the right place for implementing it.
+# (Lynx has a number of mechanisms documented elsewhere to restrict access,
+# see the INSTALLATION file, lynx.cfg, lynx -help, lynx -restrictions.)
+#
+# Some more useful applications:
+#
+# 1. Disabling URLs by access scheme
+# ----------------------------------
+# Fail gopher:*
+# Fail finger:*
+# Fail lynxcgi:*
+# Fail LYNXIMGMAP:*
+# This should work (but no guarantees) because Lynx canonicalizes
+# the case of recognized access schemes and does not interpret
+# %-escaping in the scheme part (@@@ always?)
+#
+# Note that for many access schemes Lynx already has mechanisms to
+# restrict access (see lynx.cfg, -help, -restrictions, etc.), others
+# have to be specifically enabled. Those mechanisms should be used
+# in preference.
+# Note especially Limitation 1 below.
+# This can be used for the remaining cases, or in addition by the
+# more paranoid. Note that disabling "file:*" will also make many
+# of the special pages generated by lynx as temporary files (INFO,
+# history, ...) inaccessible, on the other hand it doesn't prevent
+# _writing_ of various temp files - probably not what you want.
+#
+# You could also direct access for a scheme to a brief text explaining
+# why it's not available:
+# Redirect news:* http://localhost/texts/newsserver-is-broken.html
+#
+# 2. Preventing accidental access
+# -------------------------------
+# If there is a page or site you don't want to access for whatever
+# reason (say there's a link to it that crashes Lynx [don't forget to
+# report a bug], or if that starts sending you a 5 Mb file you don't
+# want, or you just don't like the people...), you can prevent yourself
+# from accidentally accessing it:
+# Fail http://bad.site.com/*
+#
+# 3. Compressed files
+# -------------------
+# You have downloaded a bunch of HTML documents, and compressed them
+# to save space. Then you discover that links between the files don't
+# work, because they all use the names of the uncompressed files. The
+# following kind of rule will allow you to navigate, invisibly accessing
+# the compressed files:
+# Map file://localhost/somedir/*.html file://localhost/somedir/*.html.gz
+# or, perhaps better:
+# Redirect file://localhost/somedir/*.html file://localhost/somedir/*.html.gz
+#
+# 4. Use local copies
+# -------------------
+# You have downloaded a tree of HTML documents, but there are many links
+# between them that still point to the remote location. You want to access
+# the local copies instead, after all that's why you downloaded them. You
+# could start editing the HTML, but the following might be simpler:
+# Map http://remote.com/docs/*.html file://localhost/home/me/docs/*.html
+# Or even combine this with compressing the files:
+# Map http://remote.com/docs/*.html file://localhost/home/me/docs/*.html.gz
+#
+# Again, replacing the "Map" with "Redirect" is probably better - it will
+# allow you to see the _real_ location on the lynx INFO screen or in the
+# HISTORY list, will avoid duplicates in the cache if the same document is
+# loaded with two different URLs, and may allow you to 'e'dit the local
+# from within lynx if you feel like it.
+#
+# 5. Broken links etc.
+# --------------------
+# A user has moved from http://www.siteA.com/~jdoe to http://siteB.org/john,
+# or http://www.provider.com/company/ has moved to their own server
+# http://www.company.com, but there are still links to the old location
+# all over the place; they now are broken or lead to a stupid "this page
+# has moved, please update your bookmarks. Refresh in 5 seconds" page
+# which you're tired of seeing. This will not fix your bookmarks, and
+# it will let you see the outdated URLs for longer (Limitation 3 below),
+# but for a quick fix:
+# Redirect http://www.siteA.com/~jdoe/* http://siteB.org/john/*
+# Redirect http://www.provider.com/company/* http://www.company.com/*
+#
+# You could use "Map" instead of "Redirect", but this would let you see the
+# outdated URLs for longer and even bookmark them, and you are likely to
+# create invalid links if not all documents from a site are mapped
+# (Limitation 3).
+#
+# 6. DNS troubles
+# ---------------
+# A special case of broken links. If a site is inaccessible because the
+# name cannot be resolved (your or their name server is broken, or the
+# name registry once again made a mistake, or they really didn't pay in
+# time...) but you still somehow know the address; or if name lookups are
+# just too slow:
+# Map http://www.somesite.com/* http://10.1.2.3/*
+# (You could do the equivalent more cleanly by adding an entry to the hosts
+# file, if you have access to it.)
+#
+# Or, if a name resolves to several addresses of which one is down, and the
+# DNS hasn't caught up:
+# Map http://www.w3.org/* http://www12.w3.org/*
+#
+# Note that this can break access to some name-based virtually hosted sites.
+#
+# In this case use of "Map" is probably preferred over "Redirect", as long
+# as the URL on the left side contains the real and preferred hostname or
+# the problem is only temporary.
+#
+# 7. Avoid redirections
+# ---------------------
+# Some sites have a habit to provide links that don't go to the destination
+# directly but always force redirection via some intermediate URL. The
+# delay imposed by this, especially for users with slower connections and
+# for overloaded servers, can be avoided if the intermediate URLs always
+# follow some simple pattern: we can then anticipate the redirect that will
+# inevitably follow and generate it internally. For example,
+# Redirect http://lwn.net/cgi-bin/vr/* http://*
+#
+# Warning: The page authors may not like this circumvention. Often the
+# redirection is wanted by them to track access, sometimes in connection
+# with cookies. Some sites may employ mechanisms that defeat the shortcut.
+# It is your responsibility to decide whether use of this feature is
+# acceptable. (But note that the same effect can be achieved anyway for
+# any link by editing the URL, e.g. with the ELGOTO ('E') key in Lynx, so
+# a shortcut like this does not create some new kind of intrusion.)
+#
+# 8. Detailed proxy selection
+# ---------------------------
+# Basic use for this one should be obvious, if you have a need for it.
+# It simply allows selecting use (or non-use) of proxies on a more detailed
+# level than the traditional <scheme>_proxy and no_proxy variables, as well
+# as using different proxies for different sites.
+# For example, to request access through an anonymizing proxy for all pages
+# on a "suspicious" site:
+# UseProxy http://suspicious.site/* http://anonymyzing.proxy.dom/
+# (as long as all URLs really have a matching form, not some alternative
+# like <http://suspicious.site:80/> or <http://SuSpIcIoUs.site/>!)
+#
+# To access some site through a local squid proxy, running on the same host
+# as lynx, except for some image types (say because you rarely access images
+# with lynx anyway, and if you do, you don't want them cached by the proxy):
+# UseProxy http://some.site/*.gif none
+# UseProxy http://some.site/*.jpg none
+# UseProxy http://some.site/* http://localhost:3128/
+# Note that order is important here.
+#
+# To exempt a local address from all proxying:
+# UseProxy http://local.site/* none
+#
+# Note however that for some purposes the "no_proxy" setting may be better
+# suited than "UseProxy ... none", because of its different matching logic
+# (see comments in lynx.cfg).
+#
+# 9. Invent your own scheme
+# -------------------------
+# Suppose you want to teach lynx to handle a completely new URL scheme.
+# If what's required for the new scheme is already available in lynx in
+# _some_ way, this may be possible with some inventive use of rules.
+# As an example, let's assume you want to introduce a simple "man:" scheme
+# for showing manual pages, so (for a Unix-like system, at least) "man:lynx"
+# would display the same help information as the "man lynx" command and so
+# on (we ignore section numbers etc. for simplicity here).
+# First, since lynx doesn't know anything about a "man:" scheme, it will
+# normally reject any such URLs at an early stage. However, a trick exists
+# to bypass that hurdle: define a man_proxy environment variable *outside of
+# lynx, before starting lynx* (it won't work in lynx.cfg), the actual value
+# is unimportant and won't actually be used. For example, in your shell:
+# export man_proxy=X
+#
+# If you already have some kind of HTTP-accessible man gateway available,
+# the task then probably just amounts to transforming the URL into the right
+# form. For one such gateway (in this case, a CGI script running on the
+# local machine), the rule
+# Redirect man:* http://localhost/cgi-bin/dwww?type=runman&location=*/
+# or, alternatively,
+# UseProxy man:* none
+# Map man:* http://localhost/cgi-bin/dwww?type=runman&location=*/
+# does it, for other setups the right-hand side just has to be modified
+# appropriately. The "UseProxy" is to make sure the bogus man_proxy gets
+# ignored.
+#
+# If no CGI-like access is available, you might want to invoke your system's
+# man command directly for a man: URL. Here is some discussion of how this
+# could be done, and why ultimately you may not want to do it; this is also
+# an opportunity to show examples for how some of the rules and conditions
+# can be used that haven't been discussed in detail elsewhere.
+# Lynx provides the lynxexec: (and the similar lynxprog:) scheme for running
+# (nearly) arbitrary commands locally. At the heart of employing it for
+# man: would be a rule like this:
+# Redirect man:* "lynxexec:/usr/bin/man *"
+# (It is a peculiarity of this scheme that the literal space and quoting
+# are necessary here. Also note that Map cannot be used here instead of
+# Redirect, since lynxexec, as a special kind of URL, needs to be handled
+# "early" in a request.)
+# Of course, execution of arbitrary commands is a potentially dangerous
+# thing. lynxexec has to be specifically enabled at compile time and in
+# lynx.cfg (or with command line options), and there are various levels
+# of control, too much to go into here. It is assumed in the following that
+# lynxexec has been enabled to the degree necessary (allow /usr/bin/man
+# execution) but hopefully not too much.
+# What needs to be prevented is that allowing local execution of the man
+# command might unintentionally open up unwanted execution of other commands,
+# possibly by some trick that could be exploited. For example, redirecting
+# man:* as above, the URL "man:lynx;rm -r *" could result in the command
+# "man lynx;rm -r *" executed by the system, with obvious disastrous results.
+# (This particular example won't actually work, for several reasons; but
+# for the purpose of discussion let's assume it did, there may be similar
+# ones that do.)
+# Because of such dangers, redirection to a lynxexec: is normally never
+# accepted by lynx. We need at least a PermitRedirection rule to override
+# this protective limitation:
+# PermitRedirection man:*
+# Redirect man:* "lynxexec:/usr/bin/man *"
+# But now we have potentially opened up local execution more than is
+# acceptable via the man: scheme, so this needs to be examined.
+# There are two aspects to security here: (1) restricting the user, and (2)
+# protecting the user. The first could also be phrased as protecting the
+# system from the user; the second as preventing lynx (and the system) from
+# doing things the user doesn't really want. Aspect (1) is very important
+# for setups providing anonymous guest accounts and similarly restricted
+# environments. (Otherwise shell access is normally allowed, and trying to
+# protect the system in lynx would be rather pointless.) As far as access
+# to some URLs is concerned, the difference can be characterized in terms of
+# which sources of URLs are trusted enough to allow access: for (1), only
+# links occurring in a limited number of documents are trusted enough for
+# some (or all) URLs, user input at 'g'oto prompts and the like is not (if
+# not completely disabled). For (2) and assuming a user with normal shell
+# privileges, the user may be trusted enough to accept any URL explicitly
+# entered, but URLs from arbitrary external sources are not - someone might
+# try to use them to trick the user (by following an innocent-looking link)
+# or lynx (by following a redirection) into doing something undesirable.
+#
+# In the following we are concerned with (2); it is assumed that providers
+# of anonymous accounts would not want to follow this path, and would have
+# no need for additional schemes that imply local execution anyway. (For
+# one thing, with the man example they would have to carefully check that
+# users cannot break out of the man command to a local shell prompt.)
+#
+# Getting back to the example, it was already mentioned that lynx does not
+# allow redirections to lynxexec. In fact this continues to be disallowed
+# for real redirection received from HTTP servers. But we have introduced
+# a new man: scheme, and the lynx code that does the redirection checking
+# doesn't know anything about special considerations for man: URLs, so
+# an external HTTP server might send a redirection message with "Location:
+# man:<something>", which lynx would allow, and which would in turn be
+# redirected by our rule to "lynxexec:/usr/bin/man <something>". Unless
+# we are 100% sure that either this can never happen or that the lynxexec
+# URL resulting from this can have no harmful effect, this needs to be
+# prevented. It can be done by checking for the "redirected" condition,
+# either by putting something like (the first line is of course optional)
+# Alert man:* "Redirection to man: not allowed" if redirected
+# Fail man:* if redirected
+# somewhere before the Redirect rule, or, reversing the logic, by adding
+# a condition to the redirection rules, i.e. they become
+# PermitRedirection man:* unless redirected
+# Redirect man:* "lynxexec:/usr/bin/man *" unless redirected
+# (actually, putting the condition on either one of the rules would be
+# sufficient). The second variant assumes that the attempted access to
+# man: via redirection will ultimately fail because there is no other way
+# to handle such URLs.
+#
+# The above should take care of rejecting man: URLs from redirections, but
+# what about regular links in HTML (like <A HREF="man:...">)? As long as
+# it can be assumed that the user will always inspect each and every link
+# before following it, and never follow a link that can have harmful effect,
+# no further restrictions are necessary. But this is a very big assumption,
+# unrealistic except perhaps in some single-user setups where the user is
+# is identical with the rule writer. So normally most links have to be
+# regarded as suspect, and only URLs entered by the user can be accepted:
+# Alert man:* "Redirection to man: not allowed" if redirected
+# Fail man:* if redirected
+# Alert man:* "Link to man: not allowed" unless userspecified
+# Fail man:* unless userspecified
+#
+# With these restrictions we have limited the ways our new man: scheme can
+# be used rather severely, to the point where its usefulness is questionable.
+# In addition to 'g'oto prompts, it may work in Jump files; also, should
+# links to man:<something> appear in HTML text, the user could retype them
+# manually or use the ELGOTO ('E') command with some trivial editing (like
+# adding a space) to "confirm" the URL. Even if the precautions outlined
+# above are followed: THIS TEXT DOES NOT IMPLY ANY PROMISE THAT, BY FOLLOWING
+# THE EXAMPLES, LYNX WILL BE SAFE. On the other hand, some of the precautions
+# *may* not be necessary: it is possible that careful use of TRUSTED_EXEC
+# options in lynx.cfg could offer enough protection while making the new
+# scheme more useful.
+#
+# If all this seems a bit too scary, that's intentional; it should be noted
+# that these considerations are not in general necessary for "harmless" URL
+# schemes, but appropriate for this "extreme" example. One last remark
+# regarding the hypothetical man scheme: instead of implementing it through
+# "lynxexec:" or "lynxprog:", it would be somewhat safer to use "lynxcgi:"
+# instead if it is supported. A simple lynxcgi script would have to write
+# the man page to stdout (either converted to text/html or as plain text,
+# preceded by an appropriate Content-Type header line), and all necessary
+# checking for special shell characters would be done within the script -
+# lynx does not use the system() function to run the script.
+#
+# Other Limitations
+# =================
+# First, see CAVEAT above. There are other limitations:
+#
+# 1. Applicable URL schemes
+# -------------------------
+# Rules processing does not apply to all URL schemes. Some are
+# handled differently from the generic access code, therefore rules
+# for such URLs will never be "seen". This limitation applies at
+# least to lynxexec:, lynxprog:, mailto:, LYNXHIST:, LYNXMESSAGES:,
+# LYNXCFG:, and LYNXCOMPILEOPTS: URLs. You shouldn't be tempted
+# to try to redirect most of these schemes anyway, but this also
+# makes it impossible to disable them with "Fail" rules.
+#
+# Also, a scheme has to be known to Lynx in order to get as far as
+# applying rules - you cannot just define your own new foobar: scheme
+# and then map it to something here, but see Application 9, above,
+# for a workaround.
+#
+# 2. No re-checking
+# -----------------
+# When a URL is mapped to a different one, the new URL is not checked
+# again for compliance with most restrictions established by -anonymous,
+# -restrictions, lynx.cfg and so on. This can be regarded as a feature:
+# it allows specific exceptions. Of course it means that users for
+# whom any restrictions must be enforced cannot have write access to a
+# personal rules file, but that should be obvious anyway!
+# This limitation does not applies if "Redirect" is used, in that case
+# the new URL will always be re-examined.
+#
+# 3. Mappings are invisible
+# -------------------------
+# Changing the URL with "Map" or "Pass" rules will in general not be
+# visible to the user, because it happens at a late stage of processing
+# a request (similar to directing a request through a proxy). One
+# can think of two kinds of URL for every resource: a "Document URL" as
+# the user sees it (on INFO page, history list, status line, etc.), and
+# a "physical URL" used for the actual access. Rules change only the
+# physical URL. This is different from the effect of HTTP redirection.
+# Often this is bad, sometimes it may be desirable.
+#
+# Changing the URL can create broken links if a document has relative URLs,
+# since they are taken to be relative to the "Document URL" (if no BASE tag
+# is present) when the HTML is parsed.
+#
+# This limitation does not apply if "Redirect" is used - the new location
+# will be visible to the user, and will be used by lynx for resolving
+# relative URLs within the document.
+#
+# 4. Interaction with proxying
+# ----------------------------
+# Rules processing is done after most other access checks, but before
+# proxy (and gateway) settings are examined. A "Fail" rule works
+# as expected, but when the URL has been mapped to a different one,
+# the subsequent proxy checking can get confused. If it decides that
+# access is through a proxy or gateway, it will generally use the
+# original URL to construct the "physical" URL, effectively overriding
+# the mapping rules. If the mapping is to a different access scheme
+# or hostname, proxy checking could also be fooled to use a proxy when
+# it shouldn't, to not use one when it should, or (if different proxies
+# are used for different schemes) to use the wrong proxy. So "just
+# don't do that"; in some cases setting the no_proxy variable will help.
+# Example 3 happens to work nicely if there is a http_proxy but no
+# ftp_proxy.
+#
+# This limitation does not come into play if a "UseProxy" rule is applied,
+# in either of its two forms: with a PROXYURL, proxying is fully under
+# the control of the rules author, and with "none", subsequent proxy
+# and gateway checking is completely disabled. It is therefore a good
+# idea to combine any "Map" and "Pass" rules that might result in passing
+# the changed URL with explicit "UseProxy" rules, if the rules file is
+# expected to be used together with proxying; or else always use "Redirect"
+# instead of simple passing.
+#
+# 5. Case-sensitive matching
+# --------------------------
+# The matching logic is generic string-based. It doesn't know anything
+# about URL syntax, and so it cannot know in which parts of a URL case
+# matters and where it doesn't. As a result, all comparisons are case-
+# sensitive. If (a limited number of) case variations of a URL need
+# to be dealt with, several rules can be used instead of one.
+# In particular, this makes "UseProxy ... none" in some ways more limited
+# than a no_proxy setting.
+#
+# 6. Redirection differences
+# --------------------------
+# For some URLs lynx does never check after a request whether a redirection
+# occurs; that makes the "Redirect" rule useless for such URLs (in addition
+# to those mentioned under limitation 1.). Some of them are some gopher
+# types, telnet: and similar in most situations, newspost: and similar,
+# lynxcgi:, and some other private types. Trying to redirect these will
+# make access fail. You probable don't want to change such URLs anyway,
+# but if you feel you must, try using "Map" and "Pass" instead.
+#
+# The -noredir command line option only applies for real HTTP redirection
+# responses, Redirect rules are still applied. Also for certain other
+# command line options (-mime_header, -head) and command keys (HEAD) lynx
+# shows the redirection message (or part of it) in case of a real HTTP
+# redirection, instead of following the redirection. Here, too, a Redirect
+# rule remains effective (there is no redirection message to show, after all).
+#
+# 7. URLs required
+# ----------------
+# Full absolute URLs (modulo possible "*" matching wildcards) are required
+# in rules. Strings like "www.somewhere.com" or "/some/dir/some.file" or
+# "www.somewhere.com/some/dir/some.file" are not URLs. Lynx may accept
+# them as user input, as abbreviated forms for URLs; but by the time the
+# rules get checked, those have been converted to full URLs, if they can
+# be recognized. This also means that rules cannot influence which strings
+# typed at a 'g'oto prompt are recognized for URLs - rules processing kicks
+# in later.
diff --git a/samples/home.htm b/samples/home.htm
new file mode 100644
index 0000000..b262821
--- /dev/null
+++ b/samples/home.htm
@@ -0,0 +1,31 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<!--
+ $LynxId: home.htm,v 1.4 2008/01/06 20:53:04 tom Exp $
+ vile:dos
+ -->
+<html>
+ <head>
+ <title>
+ :: hello ::
+ </title>
+ <meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
+ </head>
+ <body>
+ <table width="100%" summary="Lynx home page" align="right">
+ <tr>
+ <td width="100%" align="right">
+ <b>Lynx browser...</b>
+ <p>
+ &nbsp;
+ </p>
+ <p>
+ ...for quicker &amp; saver browsing...
+ </p>
+ <p>
+ Light-height, fast and secure text browser.
+ </p>
+ </td>
+ </tr>
+ </table>
+ </body>
+</html>
diff --git a/samples/installdirs.html b/samples/installdirs.html
new file mode 100644
index 0000000..c3f63c4
--- /dev/null
+++ b/samples/installdirs.html
@@ -0,0 +1,18 @@
+<HTML>
+<TITLE>File Management Install Targets</TITLE>
+<!-- This is an example file for the Lynx dired "install" functionality.
+ Lynx needs to be compiled with dired support and OK_INSTALL defined.
+ For the dired "install" function to work, this file has to exist
+ in the HOME directory under the name ".installdirs.html" or (for
+ 8+3, i.e. DOS-like, filesystems) "instdirs.htm".
+ -->
+<BODY>
+<H1>Install Target directories</H1>
+<UL>
+<LH>Choose destination:</LH>
+<LI><A HREF="LYNXDIRED://INSTALL_DEST/~/">install in Home directory</A>
+<LI><A HREF="LYNXDIRED://INSTALL_DEST/~/bin">install in ~/bin</A>
+<LI><A HREF="LYNXDIRED://INSTALL_DEST/tmp">install in /tmp</A>
+</UL>
+</BODY>
+</HTML>
diff --git a/samples/jumps.htm b/samples/jumps.htm
new file mode 100644
index 0000000..57ac56c
--- /dev/null
+++ b/samples/jumps.htm
@@ -0,0 +1,33 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
+
+<html>
+<head>
+ <meta name="generator" content=
+ "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
+ <meta http-equiv="content-type" content=
+ "text/html; charset=us-ascii">
+
+ <title>Jumps file</title>
+</head>
+
+<body>
+ <dl>
+ <dt>?</dt>
+
+ <dd><a href="file://localhost/Programme/lynx/jumps.htm">This
+ Shortcut List</a></dd>
+
+ <dt>g</dt>
+
+ <dd><a href="http://www.google.com/">Google</a></dd>
+
+ <dt>nf</dt>
+
+ <dd><a href="http://newsforge.com/">newsforge</a></dd>
+
+ <dt>sf</dt>
+
+ <dd><a href="http://sourceforge.net/">sourceforge</a></dd>
+ </dl>
+</body>
+</html>
diff --git a/samples/jumpsUnix.html b/samples/jumpsUnix.html
new file mode 100644
index 0000000..77b1fea
--- /dev/null
+++ b/samples/jumpsUnix.html
@@ -0,0 +1,56 @@
+<html>
+<head>
+<title>Shortcut List</title>
+<link rev="made" href="mailto:WebMaster@foo.blah.dom">
+</head>
+<body>
+ <h1>Shortcut List</h1>
+ This is a sample jumps file created in the early days of Lynx:
+ you should use it as a template, replacing with your own choices.
+ See Users Guide for details of how the `j' command works.
+<p>
+ *** IMPORTANT *** If you want to use `?' with `j' to recall
+ your own list of abbreviations, you must make sure
+ you always have the correct URL corresponding to `?' below:
+ otherwise, Lynx may display an incorrect list with misleading results.
+<p>
+ *** ALSO *** The entries must be in alphabetic order, with `?' first:
+ otherwise, Lynx may not be able to find them all.
+<p>
+ <b>Name</b>&nbsp;&nbsp;&nbsp;<b>Link</b>
+<!-- The list *MUST* be kept SORTED, one entry per line -->
+<dl compact>
+<dt>?<dd><a href="file://localhost/CFN/info/jumps.html">This Shortcut List</a>
+<dt>agreement<dd><a href="file://localhost/CFN/UserAgree.html">Chebucto FreeNet User Agreement</a>
+<dt>board<dd><a href="file://localhost/CFN/BOD.html">MetroCAN Board of Directors</a>
+<dt>browser<dd><a href="file://localhost/~/">Personal File Browser</a>
+<dt>docteam<dd><a href="file://localhost/CFN/SAT/WorkArea.html">Documentation Team Work Area</a>
+<dt>events<dd><a href="file://localhost/CFN/Utilities/search-events.html">Search all event schedules by time and keyword</a>
+<dt>files<dd><a href="file://localhost/~/">Personal File Browser</a>
+<dt>forward<dd><a href="lynxexec:/cfn/bin/mail-forward">Forward your mail</a>
+<dt>freenets<dd><a href="http://duke.usask.ca/~scottp/free.html">FreeNets around the World</a>
+<dt>help<dd><a href="file://localhost/CFN/Help/UserHelpDesk.html">Help Desk</a>
+<dt>home<dd><a href="file://localhost/CFN/Home.html">Chebucto FreeNet Home Page</a>
+<dt>info<dd><a href="file://localhost/CFN/Utilities/FindingInfo.html">Finding Information</a>
+<dt>ip<dd><a href="file://localhost/CFN/IP/InformationProvider.html">Information Providers Committee</a>
+<dt>lists<dd><a href="file://localhost/CFN/Services/MailListHome.html">Mailing Lists and Archives</a>
+<dt>mail<dd><a href="lynxprog:/cfn/bin/mail">Read and/or send mail</a>
+<dt>metrocan<dd><a href="file://localhost/CFN/MetroCAN.html">Metro*CAN Society</a>
+<dt>new<dd><a href="file://localhost/CFN/Current/WhatsNew.html">What's New</a>
+<dt>news<dd><a href="lynxprog:/cfn/bin/news">Read and Send News</a>
+<dt>newsgroups<dd><a href="file://localhost/CFN/Current/newsgroups.html">List Global Newsgroups</a>
+<dt>password<dd><a href="lynxexec:/cfn/bin/passwd">Change your password</a>
+<dt>people<dd><a href="file://localhost/CFN/Utilities/search-user.html">Find other people</a>
+<dt>profile<dd><a href="lynxprog:/cfn/bin/editor public_html/Profile.html">Update your personal profile</a>
+<dt>quota<dd><a href="lynxexec:/cfn/bin/quota">View your disk usage and quota</a>
+<dt>recent<dd><a href="http://www.cfn.cs.dal.ca/cgi-bin/recent">Recently Changed Documents on CFN</a>
+<dt>register<dd><a href="file://localhost/CFN/AccountRegister.html">New User Registration</a>
+<dt>search<dd><a href="file://localhost/CFN/Utilities/search-all.html">Search every document on CFN by keyword.</a>
+<dt>technical<dd><a href="file://localhost/CFN/Technical/Technical.html">Metro*CAN Technical Committee</a>
+<dt>terminal<dd><a href="lynxexec:/cfn/bin/set-term">Set your terminal type</a>
+<dt>volunteer<dd><a href="file://localhost/CFN/Membership/NewVolunteer.html">Volunteer with CFN</a>
+<dt>who<dd><a href="http://www.cfn.cs.dal.ca/cgi-bin/cfn-who">Find out who is online now</a>
+<dt>xsearch<dd><a href="file://localhost/CFN/Utilities/xsearch.html">Search every document on CFN by keyword.</a>
+</dl>
+</body>
+</html>
diff --git a/samples/jumpsVMS.html b/samples/jumpsVMS.html
new file mode 100644
index 0000000..b68412f
--- /dev/null
+++ b/samples/jumpsVMS.html
@@ -0,0 +1,28 @@
+<html>
+<head>
+<title>Shortcut List</title>
+<link rev="made" href="mailto:WebMaster@foo.blah.dom">
+</head>
+<body>
+ <h1>Shortcut List</h1>
+ Following is a list of shortcut names and the target links associated
+ with them. In Lynx, pressing J followed by one of these shortcut names
+ will jump you directly to the link. This list will expand over time.<p>
+ <b>Name</b>&nbsp;&nbsp;&nbsp;<b>Link</b>
+<!-- The list *MUST* be kept SORTED, one entry per line -->
+<dl compact>
+<dt>?<dd><a href="file://localhost/Lynx_Dir/jumps.html">This Shortcut List</a>
+<dt>freenets<dd><a href="http://duke.usask.ca/~scottp/free.html">FreeNets around the World</a>
+<dt>genhelp<dd><a href="http://www.wfeb.edu/HELP/@GCGHELP:GENHELP">GCG GenHelp</a>
+<dt>genman<dd><a href="http://www.wfeb.edu/HELP/@GCGHELP:GENMANUAL">GCG GenManual</a>
+<dt>home<dd><a href="http://www.wfeb.edu/">WFEB Home Page</a>
+<dt>mail<dd><a href="lynxprog:mail">Read and/or send mail</a>
+<dt>multinet<dd><a href="http://www.wfeb.edu/HELP/@MULTINET:MULTINET">MultiNet Help</a>
+<dt>news<dd><a href="lynxprog:news">Read and Send News</a>
+<dt>swing<dd><a href="lynxprog:swing sys$login">SWING File/Directory Manager</a>
+<dt>swinghelp<dd><a href="http://www.wfeb.edu/HELP/@CSWING:CSWING/SWING">SWING Help</a>
+<dt>vmshelp<dd><a href="http://www.wfeb.edu/HELP">VMS Help</a>
+<dt>who<dd><a href="lynxexec:show users">Find out who is online now</a>
+</dl>
+</body>
+</html>
diff --git a/samples/keepviewer b/samples/keepviewer
new file mode 100755
index 0000000..f5c0b2c
--- /dev/null
+++ b/samples/keepviewer
@@ -0,0 +1,20 @@
+#!/bin/sh
+# This script can be invoked as a wrapper for an external viewer by lynx, e.g.,
+# given this line in lynx.cfg
+# XLOADIMAGE_COMMAND:keepviewer xli %s &
+# it will invoke xli on a hardlink to the file (which is assumed to be in the
+# temporary directory created by lynx), and clean up when the viewer exits.
+#
+# Parameters:
+# $1 is viewer
+# $2 is filename
+if test $# = 2 ; then
+ chmod 600 $2
+ myfile=`echo $2 | sed -e 's@\(.*/tmp/\)\([^/]*/\)\?\(.*\)@\1my\3@'`
+ ln $2 $myfile || exit 1
+ trap "rm -f $myfile" 0 1 2 5 15
+ eval $1 $myfile
+else
+ echo "Usage: keepviewer <viewer> <filename>"
+ exit 1
+fi
diff --git a/samples/lynx-demo.cfg b/samples/lynx-demo.cfg
new file mode 100644
index 0000000..3a7fe88
--- /dev/null
+++ b/samples/lynx-demo.cfg
@@ -0,0 +1,46 @@
+# $LynxId: lynx-demo.cfg,v 1.6 2018/07/08 15:22:44 tom Exp $
+# vile:cfgmode
+# From: claudio santambrogio <claudio.santambrogio@tiscali.it>
+
+STARTFILE:file://localhost/~/home.htm
+HELPFILE:file://localhost/~/help/lynx_help_main.html.gz
+DEFAULT_INDEX_FILE:https://lynx.invisible-island.net/
+
+CHARACTER_SET:cp850
+ASSUME_CHARSET:utf-8
+
+FORCE_SSL_COOKIES_SECURE:TRUE
+COOKIE_REJECT_DOMAINS:ad.doubleclick.net
+PERSISTENT_COOKIES:TRUE
+COOKIE_FILE:~/.lynx_cookies
+COOKIE_SAVE_FILE:~/.lynx_cookies
+
+DEFAULT_CACHE_SIZE:100
+DEFAULT_VIRTUAL_MEMORY_SIZE:5120000
+SOURCE_CACHE:memory
+
+DEFAULT_USER_MODE:INTERMEDIATE
+VERBOSE_IMAGES:FALSE
+MAKE_PSEUDO_ALTS_FOR_INLINES:FALSE
+MINIMAL_COMMENTS:TRUE
+
+COLOR:0:lightgray:black
+COLOR:1:red:black
+COLOR:2:yellow:blue
+COLOR:4:green:black
+COLOR:5:brown:black
+COLOR:6:brightred:black
+COLOR:7:white:brightgreen
+
+PRETTYSRC:TRUE
+HTMLSRC_TAGNAME_XFORM:0
+HTMLSRC_ATTRNAME_XFORM:0
+
+# set these to empty strings to eliminate dependency on external programs
+CHMOD_PATH:
+COPY_PATH:
+MKDIR_PATH:
+MV_PATH:
+RMDIR_PATH:
+RM_PATH:
+TOUCH_PATH:
diff --git a/samples/lynx-keymaps b/samples/lynx-keymaps
new file mode 100644
index 0000000..2801bb7
--- /dev/null
+++ b/samples/lynx-keymaps
@@ -0,0 +1,161 @@
+# $LynxId: lynx-keymaps,v 1.7 2013/10/13 20:40:00 tom Exp $
+#
+# This is a sample key sequence definition file. It is used by Lynx when
+# built with ncurses or slang, to augment the definitions from your terminal's
+# termcap or terminfo description.
+
+# (Lynx implements this mechanism only if USE_KEYMAPS is defined during
+# compilation, which has nothing to do with the KEYMAP directives in lynx.cfg,
+# see source file LYCurses.h.)
+
+# Lines that start with a '#' are comment lines. Blank lines are ignored.
+
+# The 'setkey' function may be used in two ways:
+#
+# 1. setkey ESC-SEQUENCE KEYSYM
+# 2. setkey ESC-SEQUENCE KEYSYM_NAME
+#
+# where KEYSYM is an integer. A keysym is essentially with the lynx.cfg
+# file calls a 'keystroke', but I think that keysym is a more appropriate
+# name. The keysym is an integer and may be expressed in various ways:
+#
+# as a decimal integer: 97
+# hexadecimal: 0x61
+# Octal: 0141
+# as an ASCII character: 'a'
+#
+# Some keysyms may be expressed symbolically as a keysym name using the
+# second form. The currently recognized symbolic names are:
+#
+# UPARROW
+# DNARROW
+# RTARROW
+# LTARROW
+# PGDOWN
+# PGUP
+# HOME
+# END
+# F1
+# F2
+# F3
+# F4
+# F5
+# F6
+# F7
+# F8
+# F9
+# F10
+# F11
+# F12
+# DO_KEY
+# FIND_KEY
+# SELECT_KEY
+# INSERT_KEY
+# REMOVE_KEY
+# DO_NOTHING
+#
+# It does not matter if your keyboard does not have some of the keys
+# implied by the above names. The fact is that lynx uses these keys as an
+# an intermediate representation.
+#
+# The ESC-SEQUENCE should be enclosed in double quotes. The '^' character
+# is special and indicates a control character, e.g., ^K is Ctrl-K. An ESC
+# character (ascii 27) may be represented as ^[. As an example, many
+# terminals have arrow keys that emit 'ESC [ A' for the UP arrow. This may
+# be represented as the escape sequence "^[[A". The default keymapping is
+# given below:
+#
+setkey "\033[A" UPARROW
+setkey "\033OA" UPARROW
+setkey "\033[B" DNARROW
+setkey "\033OB" DNARROW
+setkey "\033[C" RTARROW
+setkey "\033OC" RTARROW
+setkey "\033[D" LTARROW
+setkey "\033OD" LTARROW
+setkey "\033[1~" FIND_KEY
+setkey "\033[2~" INSERT_KEY
+setkey "\033[3~" REMOVE_KEY
+setkey "\033[4~" SELECT_KEY
+setkey "\033[5~" PGUP
+setkey "\033[6~" PGDOWN
+setkey "\033[8~" END
+setkey "\033[7~" HOME
+setkey "\033[28~" F1
+setkey "\033[29~" DO_KEY
+#
+# All other keys map to themselves, e.g,
+#
+setkey "a" 'a'
+#
+# Now suppose that your terminal produces different escape sequences for
+# HOME and END. In particular, suppose that the home key produces 'ESC [
+# H' and that the end key produces 'ESC [ K'. Then these may be defined to
+# map to lynx HOME and END keys via
+#
+setkey "^[[H" HOME
+setkey "^[[K" END
+#
+# Similarly, we may map emacs-like sequences to these functions:
+#
+setkey "^[<" HOME
+setkey "^[>" END
+#
+# Note that it may be impossible to map several sequences to the same
+# keysym (NCURSES only?), in that case the mapping occurring last wins.
+#
+# The following maps a sequence commonly used for Shift+Tab to the
+# corresponding code. It should not be needed if the terminfo file
+# has the correct info for kcbt.
+#
+setkey "^[[Z" 0x10F
+#
+# Other special escapes:
+# \a bell
+# \b backspace
+# \f form-feed
+# \n newline (line-feed)
+# \r carriage-return
+# \t tab
+# \v vertical tab
+# \<number> octal number, up to 3 digits, e.g., "\033".
+# \d<number> decimal number, up to 3 digits, e.g., "\d99"
+# \x<number> hexadecimal number, up to 2 digits, e.g., "\xFF"
+#
+# For Unix-systems (which have termcap or terminfo) you may also use symbols
+# that refer to the termcap/terminfo, by referencing the name bracketed by
+# "^(" and ")", e.g.,
+setkey "^(cuu1)" UPARROW
+setkey "^(up)" UPARROW
+#
+# The following extension, introduced after lynx2.8.2, allows to force
+# recognition of meta (ESC) prefixes - especially useful with the
+# "Bash-like" lineeditor binding. Its use is unnecessary in most
+# cases if Lynx was built with ncurses, but is probably necessary for
+# all keys that should recognize ESC as a prefix if Lynx was built with
+# slang.
+#
+# setkey ESC-SEQUENCE Meta-LETTER
+# setkey ESC-SEQUENCE Meta-KEYSYM
+# setkey ESC-SEQUENCE Meta-KEYSYM_NAME
+#
+# for example
+#setkey "\033b" Meta-b
+#setkey "\033e" Meta-'e'
+#setkey "\033\033[28~" Meta-F1
+#
+# The following extensions, introduced after lynx2.8.2, allow mapping
+# escape sequences directly to key commands (lynxactioncodes).
+#
+# setkey ESC-SEQUENCE LAC:LYNX_ACTION
+# setkey ESC-SEQUENCE LAC:LYNX_ACTION:LYNX_EDITACTION
+#
+# where LYNX_ACTION is a key command specified as for lynx.cfg KEYMAP
+# options and as listed on the KEYMAP ('K') screen, and LYNX_EDITACTION
+# is a line-editor action specified as for KEYMAP and as listed in Line
+# Editor help pages. Using this form makes remapping according to user
+# preference with KEYMAP impossible, and should thus be used sparingly
+# (in general, use KEYMAP with PASS instead, if the goal is to force
+# recognition of a key in form text fields). For example:
+#
+#setkey "\033e" LAC:EDITTEXTAREA:PASS
diff --git a/samples/lynx.bat b/samples/lynx.bat
new file mode 100644
index 0000000..417cd74
--- /dev/null
+++ b/samples/lynx.bat
@@ -0,0 +1,31 @@
+@echo off
+@rem $LynxId: lynx.bat,v 1.9 2018/03/21 16:10:36 tom Exp $
+@rem demonstrate lynx with color-style
+setlocal
+
+ set TERM=vt100
+rem Set HOME to make URLs in config work, though this prevents -trace
+ set HOME=%~dp0
+ set PATH=%HOME%;%PATH%
+
+rem We need a temporary directory
+ if not "x%LYNX_TEMP_SPACE%"=="x" goto :do_cfg
+ if "x%TEMP%"=="x" set LYNX_TEMP_SPACE=%TEMP%
+ if not "x%TEMP%"=="x" goto :do_cfg
+ if "x%TMP%"=="x" set LYNX_TEMP_SPACE=%TMP%
+ if not "x%TMP%"=="x" goto :do_cfg
+
+ set LYNX_TEMP_SPACE=%HOMEDRIVE%%HOMEPATH%tmp
+ mkdir "%LYNX_TEMP_SPACE%"
+ if not errorlevel 0 goto :do_cfg
+
+ echo Cannot make temp-directory
+ goto :eof
+
+:do_cfg
+ set LYNX_CFG_PATH=%HOME%
+ set LYNX_CFG=%HOME%lynx-demo.cfg
+ set LYNX_LSS=%HOME%lynx.lss
+
+ lynx.exe %1 %2 %3 %4 %5 %6 %7 %8 %9
+endlocal
diff --git a/samples/lynx.com b/samples/lynx.com
new file mode 100644
index 0000000..568d3e2
--- /dev/null
+++ b/samples/lynx.com
@@ -0,0 +1,59 @@
+$ ! LYNX.COM
+$ ! sets up lynx as a command so that it will accept command line arguments
+$ ! It is assumed that this file is located in the same place as the LYNX
+$ ! Image. If it is not then you must change the lynx symbol.
+$ ! Written by Danny Mayer, Digital Equipment Corporation
+$ !
+$ !
+$ THIS_PATH = F$PARSE(F$ENV("PROCEDURE"),,,"DEVICE") + -
+ F$PARSE(F$ENV("PROCEDURE"),,,"DIRECTORY")
+$ alpha = F$GETSYI("HW_MODEL") .GT. 1023
+$ !
+$ CPU := VAX
+$ IF alpha THEN CPU :== AXP
+$ lynx:==$'THIS_PATH'lynx_'CPU'.exe
+$!
+$! fill in another gateway if you wish
+$!
+$define "WWW_wais_GATEWAY" "http://www.w3.org:8001"
+$!
+$! fill in your NNTP news server here
+$!
+$ !define "NNTPSERVER" "news"
+$ !
+$ ! Set up the Proxy Information Here
+$ !
+$ ! no_proxy environmental variable
+$ ! The no_proxy environmental variable is checked to get the list of
+$ ! of hosts for which the proxy server is not consulted.
+$ ! NOTE: THE no_proxy VARIABLE MUST BE IN LOWER CASE. On VMS systems
+$ ! this is accomplished by defining a logical name in double-quotes.
+$ !
+$ ! The no_proxy environmental variable is a comma-separated or
+$ ! space-separated list of machine or domain names, with optional
+$ ! :port part. If no :port part is present, it applies to all ports
+$ ! on that domain.
+$ !
+$ ! Example:
+$ ! define "no_proxy" "cern.ch,some.domain:8001"
+$ !
+$ !
+$ define "no_proxy" "yourorg.com" ! Use only for outside of yourorg
+$ !
+$ ! proxy server environmental variables
+$ ! In Lynx, each protocol needs an environmental variable defined for
+$ ! it in order for it to use a proxy server set up for that protocol.
+$ ! The proxy environmental variable is of the form:
+$ ! protocol_proxy where protocol is the protocol name part of the URL,
+$ ! for example: http or ftp. NOTE: the protocol server proxy variable
+$ ! MUST BE IN LOWER CASE.
+$ ! Example:
+$ ! define "http_proxy" "http://your_proxy.yourorg:8080/"
+$ !
+$ Proxy_Server = "http://your_proxy.yourorg:8080/"
+$ define "http_proxy" "''Proxy_Server'"
+$ define "ftp_proxy" "''Proxy_Server'"
+$ define "gopher_proxy" "''Proxy_Server'"
+$ define "news_proxy" "''Proxy_Server'"
+$ define "wais_proxy" "''Proxy_Server'"
+$ !
diff --git a/samples/lynx.ico b/samples/lynx.ico
new file mode 100644
index 0000000..2bde5f8
--- /dev/null
+++ b/samples/lynx.ico
Binary files differ
diff --git a/samples/lynx.lss b/samples/lynx.lss
new file mode 100644
index 0000000..2d02eb1
--- /dev/null
+++ b/samples/lynx.lss
@@ -0,0 +1,115 @@
+# Setting the normal and default types lets us keep (almost) the same colors
+# whether the terminal's default colors are white-on-black or black-on-white.
+# It is not exact since the default "white" is not necessarily the same color
+# as the ANSI lightgray, but is as close as we can get in a standard way.
+#
+# If you really want the terminal's default colors, and if lynx is built using
+# ncurses' default-color support, remove these two lines:
+normal: normal: lightgray:black
+default: normal: white:black
+
+# Normal type styles correspond to HTML tags.
+#
+# The next line (beginning with "em") means: use bold if mono, otherwise
+# brightblue on <defaultbackground>
+em: bold: brightblue
+strong: bold: brightred
+b: bold: red
+i: bold: brightblue
+a: bold: green
+img: dim: brown
+fig: normal: gray
+caption: reverse: brown
+hr: normal: yellow
+blockquote: normal: brightblue
+ul: normal: brown
+address: normal: magenta
+title: normal: magenta
+tt: dim: brightmagenta: black
+h1: bold: yellow: blue
+label: normal: magenta
+q: normal: yellow: magenta
+small: dim: default
+big: bold: yellow
+sup: bold: yellow
+sub: dim: gray
+li: normal: magenta
+code: normal: cyan
+cite: normal: cyan
+
+table: normal: brightcyan
+tr: bold: brown
+td: normal: default
+br: normal: default
+
+# Special styles - not corresponding directly to HTML tags
+# alert - status bar, when message begins "Alert".
+# alink - active link
+# normal - default attributes
+# status - status bar
+# whereis - whereis search target
+#
+#normal:normal:default:blue
+alink: reverse: yellow: black
+status: reverse: yellow: blue
+alert: bold: yellow: red
+whereis: reverse+underline: magenta: cyan
+# currently not used
+#value:normal:green
+
+menu.bg: normal: black: lightgray
+menu.frame: normal: black: lightgray
+menu.entry: normal: lightgray: black
+menu.n: normal: red: gray
+menu.active: normal: yellow: black
+menu.sb: normal: brightred: lightgray
+
+forwbackw.arrow:reverse
+hot.paste: normal: brightred: gray
+
+# Styles with classes - <ul class=red> etc.
+ul.red: underline: brightred
+ul.blue: bold: brightblue
+li.red: reverse: red: yellow
+li.blue: bold: blue
+strong.a: bold: black: red
+em.a: reverse: black: blue
+strong.b: bold: white: red
+em.b: reverse: white: blue
+strong.debug: reverse: green
+font.letter: normal: white: blue
+input.submit: normal: cyan
+tr.baone: bold: yellow
+tr.batwo: bold: green
+tr.bathree: bold: red
+#
+# Special handling for link.
+link: normal: white
+link.green: bold: brightgreen
+link.red: bold: black: red
+link.blue: bold: white: blue
+link.toc: bold: black: white
+# Special cases for link - the rel or title is appended after the class.
+# <link rel=next class=red href="1">
+link.red.next: bold: red
+link.red.prev: bold: yellow: red
+link.blue.prev: bold: yellow: blue
+link.blue.next: bold: blue
+link.green.toc: bold: white: green
+#
+# Define styles that will be used when syntax highlighting is requested
+# (commandline option -prettysrc).
+span.htmlsrc_comment:normal: white
+span.htmlsrc_tag:normal: white
+#If you don't like that the tag name and attribute name are displayed
+#in different colors, comment the following line.
+span.htmlsrc_attrib:normal: cyan
+span.htmlsrc_attrval:normal: magenta
+span.htmlsrc_abracket:normal: white
+span.htmlsrc_entity:normal: white
+##span.htmlsrc_href:
+##span.htmlsrc_entire:
+span.htmlsrc_badseq:normal: red
+span.htmlsrc_badtag:normal: red
+span.htmlsrc_badattr:normal: red
+span.htmlsrc_sgmlspecial:normal: yellow
diff --git a/samples/lynx_bookmarks.htm b/samples/lynx_bookmarks.htm
new file mode 100644
index 0000000..378f28c
--- /dev/null
+++ b/samples/lynx_bookmarks.htm
@@ -0,0 +1,13 @@
+<head>
+<meta http-equiv="content-type" content="text/html;charset=windows-1252">
+<title>Bookmark file</title>
+</head>
+ You can delete links by the 'R' key<br>
+<ol>
+<li><a href="https://lynx.invisible-island.net/">Lynx homepage</a>
+<li><a href="http://home.pacific.net.sg/~kennethkwok/lynx/">Lynx Browser for Windows 9x/NT/2000/XP</a>
+<li><a href="http://www.fdisk.com/doslynx/lynxport.htm">Lynx for DOS 386 and Win32</a>
+<li><a href="http://www.chass.utoronto.ca/~purslow/lhfb.html">Lynx Help for Beginners</a>
+<li><a href="http://www.hicom.net/~oedipus/weave.html">HTML Authoring and Accessibility Resources for Lynx</a>
+<li><a href="http://perso.club-internet.fr/dominique.guebey/tekno/lynx.htm">La page navigateur LYNX</a>
+<li><a href="https://lynx.invisible-island.net/release/">Current Lynx Release</a>
diff --git a/samples/lynxdump b/samples/lynxdump
new file mode 100755
index 0000000..a0e9ae2
--- /dev/null
+++ b/samples/lynxdump
@@ -0,0 +1,16 @@
+#!/bin/sh
+# lynx -dump w/o numbers
+: ${TMPDIR-/tmp}
+: ${HOME-`pwd`}
+oldmask=`umask`
+umask 077
+MYTMP=$TMPDIR/mytmp$$
+mkdir $MYTMP || exit 1
+trap 'cd /; rm -rf $MYTMP' 0 1 2 5 15
+if test $HOME/.lynxrc ; then
+ cp $HOME/.lynxrc $MYTMP/.lynxrc
+fi
+echo 'keypad_mode=NUMBERS_AS_ARROWS' >> $MYTMP/.lynxrc
+HOME=$MYTMP; export HOME
+umask $oldmask
+lynx -justify -dump -force_html -with_backspaces -nolist $*
diff --git a/samples/mailcap b/samples/mailcap
new file mode 100644
index 0000000..8f47338
--- /dev/null
+++ b/samples/mailcap
@@ -0,0 +1,99 @@
+# Copyright (c) 1991 Bell Communications Research, Inc. (Bellcore)
+#
+# Permission to use, copy, modify, and distribute this material
+# for any purpose and without fee is hereby granted, provided
+# that the above copyright notice and this permission notice
+# appear in all copies, and that the name of Bellcore not be
+# used in advertising or publicity pertaining to this
+# material without the specific, prior written permission
+# of an authorized representative of Bellcore. BELLCORE
+# MAKES NO REPRESENTATIONS ABOUT THE ACCURACY OR SUITABILITY
+# OF THIS MATERIAL FOR ANY PURPOSE. IT IS PROVIDED "AS IS",
+# WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
+#
+# Prototype Mailcap file
+# Note that support for text & multipart are "built in" to metamail,
+# as are rudimentary support for message, and application.
+# However, any of these may be overridden in mailcap.
+#
+# Note that users may override or extend this with a .mailcap
+# file in their own directory. However, there is NO NEED
+# for them to copy entries from this file, as metamail will
+# pick up entries from both the system and personal mailcap files.
+#
+
+# NOTE: This file has been heavily modified for use as an example
+# configuration file for Lynx
+
+# In the samples given test=test -n "$DISPLAY" is used to
+# determine if the current session is X capable by checking
+# for the existence of a DISPLAY environment variable.
+# Lynx actually uses a getenv() call for DISPLAY (DECW$DISPLAY
+# on VMS) when it encounters test=test -n "$DISPLAY" or
+# test=test -z "$DISPLAY" in a viewer assignment, instead of
+# spawning to execute "test" via a system() call, i.e., those
+# two strings, respectively, are handled equivalently to the
+# :XWINDOWS and :NON_XWINDOWS flags for VIEWER: assignments
+# in lynx.cfg. Any system without the DISPLAY (or DECW$DISPLAY)
+# environment variable will be assumed to be Non-X.
+
+# You can append a ';' followed by "q=#.#", e.g., ; q=0.002
+# to set the quality parameter for the Content-Type, which can be
+# included in the Accept: header Lynx sends to http servers (the
+# default quality value is 1.0, and Lynx appends the parameter
+# to the Content-Type only if the value is less than 1.0).
+
+# You can append a ';' followed by "mxb=#", e.g., ; mxb=1000000
+# to set the maxbytes parameter for the Content-Type, which can be
+# included in the Accept: header Lynx sends to http servers (the
+# default maxbytes value is 0, meaning no maximum, and Lynx appends
+# the parameter to the Content-Type only if the value exceeds 0).
+
+# The following line is for sites where xv understands jpeg but xloadimage
+# is preferred.
+#
+# the test line specifies that this viewer should only be used if
+# the display variable is set.
+image/jpeg; xv %s; test=test -n "$DISPLAY"
+
+# The following sends all other image subtypes to xloadimage
+#image/*; xloadimage %s; ; test=test -n "$DISPLAY"
+
+# The following sends all other image subtypes to xv
+image/*; xv %s; ; test=test -n "$DISPLAY"
+
+
+# If you have an interactive Postscript interpreter, you should think carefully
+# before replacing lpr with it in the following line, because PostScript
+# can be an enormous security hole. It is RELATIVELY harmless
+# when sent to the printer...
+
+# This one is for NON-X
+#application/postscript; lpr %s \; echo SENT FILE TO PRINTER; ;test=test -z "$DISPLAY"
+
+# This one is for X. It's already the default via src/HTInit.c.
+#application/postscript; ghostview %s; ; test=test -n "$DISPLAY"
+
+# The following should be commented out if you do NOT have safe-tcl
+# and should be uncommented if you DO have safe-tcl
+#application/safe-tcl; swish -safe -messaging -f %s
+
+# A common problem with the mailcap mechanism is getting differential
+# behavior from different programs. This problem is compounded by the fact
+# that some programs, notably Mosaic, do not implement the "test" clause in
+# mailcap files. If you are using Lynx and X Mosaic together you should
+# place all X-centric entries before non-X entries. X Mosaic will use
+# whichever entry is defined first so further entries will be ignored.
+#
+# Lynx exports the environment variable LYNX_VERSION, so it can be tested
+# by scripts to determine if Lynx is running or not. However, the string
+# test=test -n "$LYNX_VERSION"
+# is handled simply as a flag which yields success when Lynx encounters it
+# in the mailcap file (i.e., Lynx does not bother to execute "test" via a
+# system() call to find out if it's running, because it obviously is).
+# Inclusion of the string for that test can be used to prevent other
+# software which reads the mailcap file from acting on assignments intended
+# only for Lynx. The string
+# test=test -z "$LYNX_VERSION"
+# similarly is treated by Lynx simply as a flag which yields failure.
+
diff --git a/samples/mailto-form.pl b/samples/mailto-form.pl
new file mode 100755
index 0000000..5afffc8
--- /dev/null
+++ b/samples/mailto-form.pl
@@ -0,0 +1,280 @@
+#! /usr/bin/perl -w
+# Some scripts for handling mailto URLs within lynx via an interactive form
+#
+# Warning: this is a quick demo, to show what kinds of things are possible
+# by hooking some external commands into lynx. Use at your own risk.
+#
+# Requirements:
+#
+# - Perl and CGI.pm.
+# - A "sendmail" command for actually sending mail (if you need some
+# other interface, change the code below in sub sendit appropriately).
+# - Lynx compiled with support for lynxcgi, that means EXEC_CGI must have
+# been defined at compilation, usually done with
+# ./configure --enable-cgi-links
+# - Lynx must have support for CERN-style rules as of 2.8.3, which must
+# not have been disabled at compilation (it is enabled by default).
+#
+# Instructions:
+# (This is for people without lynxcgi experience; if you are already
+# use lynxcgi, you don't have to follow everything literally, use
+# common sense for picking appropriate file locations in your situation.)
+#
+# - Make a subdirectory 'lynxcgi' under you home directory, i.e.
+# mkdir ~/lynxcgi
+# - Put this three script file mailto-form.pl there and make it
+# executable. For example,
+# cp mailto-form.pl ~/lynxcgi
+# chmod a+x ~/lynxcgi/mailto-form.pl
+# - Edit mailto-form.pl (THIS FILE), there are some strings that
+# that need to be changed, see ### Configurable variables ###
+# below.
+# - Allow lynx to execute lynxcgi files in that directory, for example,
+# put in your lynx.cfg file:
+# TRUSTED_LYNXCGI:<tab>/home/myhomedir/lynxcgi/mailto-form.pl
+# where <tab> is a real TAB character and you have to put the real
+# location of your directory in place of "myhomedir", of course.
+# The '~' abbreviation cannot be used.
+# You could also just enable execution of all lynxcgi scripts, by
+# not having any TRUSTED_LYNXCGI options in lynx.cfg at all, but
+# that can't be recommended.
+# - Tell lynx to actually use the lynxcgi scripts for mailto URLs.
+# There are two variants:
+# a) Redirect "mailto"
+# Requires patched lynx, currently not yet in the developent code.
+# Use the following two lines in the file that is configured as
+# RULESFILE in lynxcfg:
+# PermitRedirection mailto:*
+# Redirect mailto:* lynxcgi:/home/myhomedir/lynxcgi/mailto-form.pl?from=myname@myhost&to=*
+# You can also put them directly in lynx.cfg, prefixing each with
+# "RULE:". Replace ""myhomedir", "myname", and "myhost" with your
+# correct values, of course.
+# b) Redirect "xmailto"
+# Requires defining a fake proxy before starting lynx, like
+# export xmailto_proxy=dummy # or for csh: setenv xmailto_proxy dummy
+# Requires that you change "mailto" to "xmailto" each time you want
+# to activate a mailto link. This can be done conveniently with
+# a few keys: 'E', ^A, 'x', Enter.
+# Use the following two lines in the file that is configured as
+# RULESFILE in lynxcfg:
+# PermitRedirection xmailto:*
+# Redirect xmailto:* lynxcgi:/home/myhomedir/lynxcgi/mailto-form.pl?from=myname@myhost&to=*
+# You can also put them directly in lynx.cfg, prefixing each with
+# "RULE:". Replace ""myhomedir", "myname", and "myhost" with your
+# correct values, of course.
+#
+# Limitations:
+#
+# - Only applies to mailto URLs that appear as links or are entered at
+# a 'g'oto prompt. Does not apply to other ways of sending mail, like
+# the 'c' (COMMENT) key, mailto as a FORM action, or mailing a file
+# from the 'P'rinting Options screen.
+# - Nothing is done for charset labelling, content-transfer-encoding
+# of non-ASCII characters, and other MIME niceties.
+#
+# Klaus Weide 20000712
+
+########################################################################
+########## Configurable variables ######################################
+
+$SENDMAIL = '/usr/sbin/sendmail';
+# The location of your sendmail binary
+$SELFURL = 'lynxcgi:/home/lynxdev/lynxcgi/mailto-form.pl';
+# Where this script lives in URL space
+$SEND_TOKEN = '/vJhOp6eQ';
+# When found in the PATH_INFO part of the URL,
+# this causes the script to actually send mail
+# by calling $SENDMAIL instead of just throwing
+# up a form. CHANGE IT! And don't tell anyone!
+# Treat it like a password.
+# Must start with '/', probably should have only
+# alphanumeric ASCII characters.
+
+## Also, make sure the first line of this script points
+## to your PERL binary
+
+########## Nothing else to change - I hope #############################
+########################################################################
+
+use CGI;
+
+$|=1;
+
+### Upcase first character
+##sub ucfirst {
+## s/^./\U$1/;
+##}
+
+# If there are multiple occurrences of the same thing, how to join them
+# into one string
+%joiner = (from => ', ',
+ to => ', ',
+ cc => ', ',
+ subject => '; ',
+ body => "\n\n"
+ );
+sub joiner {
+ my ($key) = @_;
+ if ($joiner{$key}) {
+ $joiner{$key};
+ } else {
+ " ";
+ }
+}
+
+# Here we check whether this script is called for actual sending, rather
+# than form generation. If so, all the rest is handled by sub sendit, below.
+$pathinfo = $ENV{'PATH_INFO'};
+if (defined($pathinfo) && $pathinfo eq $SEND_TOKEN) {
+ $q = new CGI;
+ print $q->header('text/plain');
+ sendit();
+ exit;
+}
+
+$method = $ENV{'REQUEST_METHOD'};
+$querystring = $ENV{'QUERY_STRING'};
+if ($querystring) {
+ if ($method && $method eq "POST" && $ENV{'CONTENT_LENGTH'}) {
+ $querystring =~ s/((^|\&)to=[^?&]*)\?/$1&/;
+ $q0 = new CGI;
+ $q = new CGI($querystring);
+ @fields = $q0->param();
+ foreach $key (@fields) {
+ @vals = $q0->param($key);
+# print "Content-type: text/html\n\n";
+# print "Appending $key to \$q...\n";
+ $q->append($key, @vals);
+# print "<H2>Current Values in \$q0</H2>\n";
+# print $q0->dump;
+# print "<H2>Current Values in \$q</H2>\n";
+# print $q->dump;
+
+ }
+
+ } else {
+ $querystring =~ s/((^|\&)to=[^?&]*)\?/$1&/;
+ $q = new CGI($querystring);
+ }
+} else {
+ $q = new CGI;
+}
+
+print $q->header;
+
+$long_title = $ENV{'QUERY_STRING'};
+$long_title =~ s/^from=([^&]*)\&to=//;
+$long_title = "someone" unless $long_title;
+$long_title = "Compose mail for $long_title";
+if (length($long_title) > 72) {
+ $title = substr($long_title,0,72) . "...";
+} else {
+ $title = $long_title;
+}
+$long_title =~ s/&/&amp;/g;
+$long_title =~ s/</&lt;/g;
+print
+ $q->start_html($title), "\n",
+ $q->h1($long_title), "\n",
+ $q->start_form(-method=>'POST', -action => $SELFURL . $SEND_TOKEN), "\n";
+
+print "<TABLE>\n";
+@fields = $q->param();
+foreach $key (@fields) {
+ @vals = $q->param($key);
+ if (scalar(@vals) != 1) {
+ print "multiple values " . scalar(@vals) ." for $key!\n";
+ $q->param($key, join (joiner($key), @vals));
+ }
+}
+foreach $key (@fields) {
+ $_ = lc($key);
+ if ($_ ne $key) {
+ print "noncanonical case for $key!\n";
+ $val=$q->param($key);
+ $q->delete($key);
+ if (!$q->param($_)) {
+ $q->param($_, $val);
+ } else {
+ $q->param($_, $q->param($_) . joiner($_) . "$val");
+ }
+ }
+}
+foreach $key ('from', 'to', 'cc', 'subject') {
+ print $q->Tr,
+ $q->td(ucfirst($key) . ":"),
+ $q->td($q->textfield(-name=>$key,
+ -size=>60,
+ -default=>$q->param($key))), "\n";
+ $q->delete($key);
+}
+
+# Also pass on any unrecognized header fields that were specified.
+# This may not be a good idea for general use!
+# At least some dangerous header fields may have to be suppressed.
+@keys = $q->param();
+if (scalar(@keys) > (($q->param('body')) ? 1 : 0)) {
+ print "<TR><TD colspan=2><EM>Additional headers:</EM>\n";
+ foreach $key ($q->param()) {
+ if ($key ne 'body') {
+ print $q->Tr,
+ $q->td(ucfirst($key) . ":"),
+ $q->td($q->textfield(-name=>$key,
+ -size=>60,
+ -default=>$q->param($key))), "\n";
+ }
+ }
+}
+print "</TABLE>\n";
+print $q->textarea(-name=>'body',
+ -default=>$q->param('body')), "\n";
+print "<PRE>\n\n</PRE>", "\n",
+ $q->submit(-value=>"Send the message"), "\n",
+ $q->endform, "\n";
+
+print "\n";
+exit;
+
+# This is for header field values.
+sub sanitize_field_value {
+ my($val) = @_;
+ $val =~ s/\0/./g;
+ $val =~ s/\r\n/\n/g;
+ $val =~ s/\r/\n/g;
+ $val =~ s/\n*$//g;
+ $val =~ s/\n+/\n/g;
+ $val =~ s/\n(\S)/\n\t$1/g;
+ $val;
+}
+
+sub sendit {
+ open (MAIL, "| $SENDMAIL -t -oi -v") || die ("$0: Can't run sendmail: $!\n");
+ @fields = $q->param();
+ foreach $key (@fields) {
+ @vals = $q->param($key);
+ if (scalar(@vals) != 1) {
+ print "multiple values " . scalar(@vals) ." for $key!\n";
+ $q->param($key, join (joiner($key), @vals));
+ }
+ }
+ foreach $key (@fields) {
+ if ($key ne 'body') {
+ if ($key =~ /[^A-Za-z0-9_-]/) {
+ print "$0: Ignoring malformed header field named '$key'!\n";
+ next;
+ }
+ print MAIL ucfirst($key) . ": " .
+ sanitize_field_value($q->param($key)) . "\n"
+ or die ("$0: Feeding header to sendmail failed: $!\n");
+ }
+ }
+ print MAIL "\n"
+ or die ("$0: Ending header for sendmail failed: $!\n");
+ print MAIL $q->param('body'), "\n"
+ or die ("$0: Feeding body to sendmail failed: $!\n");
+ close(MAIL)
+ or warn $! ? "Error closing pipe to sendmail: $!"
+ : ($? & 127) ? ("Sendmail killed by signal " . ($? & 127) .
+ ($? & 127) ? ", core dumped" : "")
+ : "Return value " . ($? >> 8) . " from sendmail";
+}
diff --git a/samples/midnight.lss b/samples/midnight.lss
new file mode 100644
index 0000000..8ecb772
--- /dev/null
+++ b/samples/midnight.lss
@@ -0,0 +1,84 @@
+# From: claudio santambrogio <claudio.santambrogio@tiscali.it>
+
+em:bold:green:blue
+strong:bold:red:blue
+b:bold:white:blue
+i:bold:yellow:blue
+alink:reverse:brightgreen:blue
+a:bold:cyan:blue
+img:dim:gray:blue
+status:reverse:brightblue:blue
+forwbackw.arrow:bold:brightblue:blue
+alert:bold:red:blue
+fig:normal:gray:blue
+caption:reverse:brown:blue
+hr:normal:yellow:blue
+blockquote:normal:brightblue:blue
+#ul:normal:brown:blue
+address:normal:magenta:blue
+title:normal:grey:blue
+tt:dim:gray:blue
+h1:bold:brightblue:blue
+label:normal:magenta:blue
+value:normal:green:blue
+high:bold:brightmagenta:blue
+q:normal:yellow:magenta
+small:dim:gray:blue
+big:bold:yellow:blue
+sup:bold:yellow:blue
+sub:dim:gray:blue
+lh:bold:yellow:magenta
+
+area:normal:default:blue
+body:normal:default:blue
+br:normal:default:blue
+center:normal:default:blue
+center.header:normal:default:blue
+div:normal:default:blue
+font:normal:default:blue
+font.letter:normal:default:blue
+h2:normal:default:blue
+h3:normal:default:blue
+h4:normal:default:blue
+h5:normal:default:blue
+h6:normal:default:blue
+head:normal:default:blue
+link:normal:default:blue
+map:normal:default:blue
+meta:normal:default:blue
+p:normal:default:blue
+table:normal:default:blue
+td:normal:default:blue
+tr:normal:default:blue
+title:normal:default:blue
+
+form:normal:default:blue
+input:normal:default:blue
+input.submit:normal:cyan:blue
+select:normal:default:blue
+option:normal:default:blue
+
+pre:normal:default:blue
+dd:normal:default:blue
+dt:normal:default:blue
+ul:normal:default:blue
+li:normal:default:blue
+
+base:normal:default:blue
+iframe:normal:red:blue
+cite:normal:yellow:blue
+
+span.htmlsrc_comment:normal:green:blue
+span.htmlsrc_tag:normal:brightgreen:blue
+span.htmlsrc_attrib:normal:cyan:blue
+span.htmlsrc_attrval:normal:white:blue
+span.htmlsrc_abracket:normal:brightgreen:blue
+span.htmlsrc_entity:normal:white:blue
+##span.htmlsrc_href:
+##span.htmlsrc_entire:
+span.htmlsrc_badseq:normal:red:blue
+span.htmlsrc_badtag:normal:red:blue
+span.htmlsrc_badattr:normal:red:blue
+span.htmlsrc_sgmlspecial:normal:yellow:blue
+
+normal:normal:default:blue \ No newline at end of file
diff --git a/samples/mild-colors.lss b/samples/mild-colors.lss
new file mode 100644
index 0000000..2807e50
--- /dev/null
+++ b/samples/mild-colors.lss
@@ -0,0 +1,59 @@
+# From: Vlad Harchev <hvv@hippo.ru>
+# Setting the normal and default types lets us keep (almost) the same colors
+# whether the terminal's default colors are white-on-black or black-on-white.
+# It is not exact since the default "white" is not necessarily the same color
+# as the ANSI lightgray, but is as close as we can get in a standard way.
+#
+# If you really want the terminal's default colors, and if lynx is built using
+# ncurses' default-color support, remove these two lines:
+normal: normal: lightgray:black
+default: normal: white:black
+
+# Notes:
+# better for eyes - it sets black background with mild colors that
+# have approximately the same intensity.
+#
+# grey normal text on black background with green links and brightgreen
+# highlighted links.
+em: bold: cyan
+strong: bold: cyan
+dt: bold: cyan
+var: bold: cyan
+samp: bold: cyan
+b: bold: cyan
+i: bold: cyan
+alink: reverse: brightgreen: black
+a: bold: green
+img: dim: cyan: black
+status: reverse: cyan: black
+fig: normal: gray
+caption: reverse: cyan
+hr: normal: gray
+blockquote: normal: cyan: black
+address: normal: cyan
+title: normal: cyan: black
+tt: normal: white: black
+h1: bold: cyan: black
+label: normal: cyan
+value: normal: cyan
+q: normal: cyan
+small: dim: cyan
+big: bold: cyan
+sup: bold: cyan
+sub: dim: cyan
+code: normal: cyan
+
+span.htmlsrc_comment:normal:white
+span.htmlsrc_tag:normal:cyan
+##the following makes no difference (except increasing the speed) since tag
+##is already in cyan.
+#span.htmlsrc_attrib:normal:cyan
+#span.htmlsrc_attrval:normal:magenta
+span.htmlsrc_abracket:normal:cyan
+span.htmlsrc_entity:normal:white
+##span.htmlsrc_href:
+##span.htmlsrc_entire:
+span.htmlsrc_badseq:normal:red
+span.htmlsrc_badtag:normal:red
+span.htmlsrc_badattr:normal:red
+span.htmlsrc_sgmlspecial:normal:yellow
diff --git a/samples/mime.types b/samples/mime.types
new file mode 100644
index 0000000..6393c30
--- /dev/null
+++ b/samples/mime.types
@@ -0,0 +1,26 @@
+# example mime.types file.
+# see the NCSA X Mosaic documentation at
+# http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/Docs/extension-map.html
+# for more details
+# [Lynx uses mime.types mapping for ftp and local files only,
+# http server does specify MIME type in the Content-Type header].
+
+application/postscript ai eps ps
+application/rtf rtf
+application/x-tex tex
+application/x-texinfo texinfo texi
+application/x-troff t tr roff
+audio/basic au snd
+audio/x-aiff aif aiff aifc
+audio/x-wav wav
+image/gif gif
+image/ief ief
+image/jpeg jpeg jpg jpe
+image/tiff tiff tif
+image/x-xwindowdump xwd
+text/html html
+text/plain txt c cc h
+video/mpeg mpeg mpg mpe
+video/quicktime qt mov
+video/x-msvideo avi
+video/x-sgi-movie movie
diff --git a/samples/oldlynx b/samples/oldlynx
new file mode 100755
index 0000000..79721b1
--- /dev/null
+++ b/samples/oldlynx
@@ -0,0 +1,24 @@
+#!/bin/sh
+# invoke lynx built with color-style, overriding the color options to use the
+# non-color-style scheme -TD
+
+my_cfg=${TMPDIR:-/tmp}/lynxcfg$$
+my_lss=${TMPDIR:-/tmp}/lynxlss$$
+trap "rm -f $my_lss $my_cfg" 0 1 2 5 15
+
+echo >$my_lss
+
+rm -f "$my_cfg"
+echo "DEFAULT_COLORS:off" >>$my_cfg
+if test -n "$LYNX_CFG" ; then
+ echo "include:$LYNX_CFG" >>$my_cfg
+fi
+echo "COLOR_STYLE:" >>$my_cfg
+echo "NESTED_TABLES:off" >>$my_cfg
+
+LYNX_CFG=$my_cfg
+export LYNX_CFG
+LYNX_LSS=$my_lss
+export LYNX_LSS
+
+${LYNX_PROG-lynx} "$@"
diff --git a/samples/oldlynx.bat b/samples/oldlynx.bat
new file mode 100644
index 0000000..976b3a8
--- /dev/null
+++ b/samples/oldlynx.bat
@@ -0,0 +1,44 @@
+@ECHO off
+@rem $LynxId: oldlynx.bat,v 1.8 2018/03/21 16:08:49 tom Exp $
+@rem demonstrate lynx without color-style
+setlocal
+
+ set TERM=vt100
+rem Set HOME to make URLs in config work, though this prevents -trace
+ set HOME=%~dp0
+ set PATH=%HOME%;%PATH%
+
+rem We need a temporary directory
+ if not "x%LYNX_TEMP_SPACE%"=="x" goto :do_cfg
+ if "x%TEMP%"=="x" set LYNX_TEMP_SPACE=%TEMP%
+ if not "x%TEMP%"=="x" goto :do_cfg
+ if "x%TMP%"=="x" set LYNX_TEMP_SPACE=%TMP%
+ if not "x%TMP%"=="x" goto :do_cfg
+
+ set LYNX_TEMP_SPACE=%HOMEDRIVE%%HOMEPATH%tmp
+ mkdir "%LYNX_TEMP_SPACE%"
+ if not errorlevel 0 goto :do_cfg
+
+ echo Cannot make temp-directory
+ goto :eof
+
+:do_cfg
+ lynx.exe -help 2>&1 | find "-lss" >NUL
+ if not errorlevel 1 goto :do_cfg2
+ echo This copy of Lynx was not compiled with color-style.
+ goto :eof
+
+:do_cfg2
+ set LYNX_CFG_PATH=%HOME%
+ set LYNX_CFG=%LYNX_TEMP_SPACE%\oldlynx.cfg
+ set LYNX_LSS=
+
+ echo DEFAULT_COLORS:off >>"%LYNX_CFG%"
+ echo include:lynx-demo.cfg >>"%LYNX_CFG%"
+ echo COLOR_STYLE: >>"%LYNX_CFG%"
+ echo NESTED_TABLES:off >>"%LYNX_CFG%"
+
+:do_exe
+ lynx.exe -lss="" %1 %2 %3 %4 %5 %6 %7 %8 %9
+ erase %LYNX_CFG%
+endlocal
diff --git a/samples/opaque.lss b/samples/opaque.lss
new file mode 100644
index 0000000..80e3969
--- /dev/null
+++ b/samples/opaque.lss
@@ -0,0 +1,48 @@
+# From: claudio santambrogio <claudio.santambrogio@tiscali.it>
+
+em:bold:cyan
+strong:bold:cyan
+dt:bold:cyan
+var:bold:cyan
+samp:bold:cyan
+b:bold:cyan
+i:bold:cyan
+alink:reverse:brightgreen:red
+a:bold:green
+img:dim:cyan:default
+status:reverse:cyan:default
+fig:normal:gray
+caption:reverse:cyan
+hr:normal:gray
+blockquote:normal:cyan:default
+address:normal:cyan
+title:normal:cyan:default
+tt:normal:white:default
+h1:bold:cyan:default
+label:normal:cyan
+value:normal:cyan
+high:bold:cyan
+q:normal:cyan
+small:dim:cyan
+big:bold:cyan
+sup:bold:cyan
+sub:dim:cyan
+lh:bold:cyan
+code:normal:cyan
+alert:bold:red
+normal:normal:brown:black
+
+span.htmlsrc_comment:normal:white
+span.htmlsrc_tag:normal:cyan
+##the following makes no difference (except increasing the speed) since tag
+##is already in cyan.
+#span.htmlsrc_attrib:normal:cyan
+#span.htmlsrc_attrval:normal:magenta
+span.htmlsrc_abracket:normal:cyan
+span.htmlsrc_entity:normal:green
+##span.htmlsrc_href:
+##span.htmlsrc_entire:
+span.htmlsrc_badseq:normal:red
+span.htmlsrc_badtag:normal:red
+span.htmlsrc_badattr:normal:red
+span.htmlsrc_sgmlspecial:normal:yellow