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diff --git a/tmac/groff_www.7.man b/tmac/groff_www.7.man new file mode 100644 index 0000000..599c3b7 --- /dev/null +++ b/tmac/groff_www.7.man @@ -0,0 +1,760 @@ +.TH groff_www @MAN7EXT@ "@MDATE@" "groff @VERSION@" +.SH Name +groff_www \- GNU +.I roff +macros for authoring web pages +. +. +.\" ==================================================================== +.\" Legal Terms +.\" ==================================================================== +.\" +.\" Copyright (C) 2000-2020 Free Software Foundation, Inc. +.\" +.\" This file is part of groff, the GNU roff type-setting system. +.\" +.\" This program is free software: you can redistribute it and/or modify +.\" it under the terms of the GNU General Public License as published by +.\" the Free Software Foundation, either version 3 of the License, or +.\" (at your option) any later version. +.\" +.\" This program is distributed in the hope that it will be useful, but +.\" WITHOUT ANY WARRANTY; without even the implied warranty of +.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +.\" General Public License for more details. +.\" +.\" You should have received a copy of the GNU General Public License +.\" along with this program. If not, see +.\" <http://www.gnu.org/licenses/>. +. +. +.\" Save and disable compatibility mode (for, e.g., Solaris 10/11). +.do nr *groff_groff_www_7_man_C \n[.cp] +.cp 0 +. +.\" Define fallback for groff 1.23's MR macro if the system lacks it. +.nr do-fallback 0 +.if !\n(.f .nr do-fallback 1 \" mandoc +.if \n(.g .if !d MR .nr do-fallback 1 \" older groff +.if !\n(.g .nr do-fallback 1 \" non-groff *roff +.if \n[do-fallback] \{\ +. de MR +. ie \\n(.$=1 \ +. I \%\\$1 +. el \ +. IR \%\\$1 (\\$2)\\$3 +. . +.\} +.rr do-fallback +. +. +.\" ==================================================================== +.SH Synopsis +.\" ==================================================================== +. +.SY "groff \-m www" +.RI [ option\~ .\|.\|.\&] +.RI [ file\~ .\|.\|.] +.YS +. +. +.\" ==================================================================== +.SH Description +.\" ==================================================================== +. +This manual page describes the GNU +.I www +macro package, +which is part of the +.MR groff @MAN7EXT@ +document formatting system. +. +This macro file is automatically loaded by the default +.I troffrc +file when the formatter +(usually +.MR groff @MAN1EXT@ ) +is called with either of the options +.B \-Thtml +or +.BR \-Txhtml . +. +To see hyperlinks in action, +format this man page using one of those options. +. +. +.P +This document is a basic guide; +the HTML output driver +.RI ( \%grohtml ) +remains in an alpha state. +. +It has been included with the distribution to encourage testing. +. +. +.P +Here is a summary of the functions found in this macro set. +. +. +.P +.TS +tab(@); +l l. +\&.JOBNAME@split output into multiple files +\&.HX@automatic heading level cut off +\&.BCL@specify colours on a web page +\&.BGIMG@specify background image +\&.URL@create a URL using two parameters +\&.FTP@create an FTP reference +\&.MTO@create an HTML email address +\&.TAG@generate an HTML name +\&.IMG@include an image file +\&.PIMG@include PNG image +\&.MPIMG@place PNG on the margin and wrap text around it +\&.HnS@begin heading +\&.HnE@end heading +\&.LK@emit automatically collected links. +\&.HR@produce a horizontal rule +\&.NHR@suppress automatic generation of rules. +\&.HTL@only generate HTML title +\&.HEAD@add data to <head> block +\&.ULS@unorder list begin +\&.ULE@unorder list end +\&.OLS@ordered list begin +\&.OLE@ordered list end +\&.DLS@definition list begin +\&.DLE@definition list end +\&.LI@insert a list item +\&.DC@generate a drop capital +\&.HTML@pass an HTML raw request to the device driver +\&.CDS@code example begin +\&.CDE@code example end +\&.ALN@place links on left of main text. +\&.LNS@start a new two-column table with links in the left. +\&.LNE@end the two-column table. +\&.LINKSTYLE@initialize default URL attributes. +.TE +. +. +.\" ==================================================================== +.SH Macros +.\" ==================================================================== +. +.TP +.B .JOBNAME filename +Split output into multiple HTML files. +. +A file is split whenever a \&.SH or \&.NH\ 1 is encountered. +. +Its argument is the file stem name for future output files. +. +This option is equivalent to +.IR \%grohtml 's +.B \-j +option. +. +.TP +.B .HX n +Specify the cut off depth when generating links from section headings. +. +For example, a parameter of\~2 would cause +.I \%grohtml +to generate a list of links for +.B .NH\ 1 +and +.B .NH\ 2 +but not for +.BR .NH\ 3 . +. +Whereas +. +. +.RS +.IP +.EX +\&.HX 0 +.EE +.RE +. +. +.IP +tells +.I \%grohtml +that no heading links should be created at all. +. +Another method for turning automatic headings off is by issuing the +command-line switch +.B \-P\-l +to +.IR groff . +. +. +.TP +.BI .BCL\~ "foreground background active not-visited visited" +This macro takes five parameters: +foreground, +background, +active hypertext link, +hypertext link not yet visited, +and visited hypertext link colour. +. +.TP +.B .BGIMG imagefile +the only parameter to this macro is the background image file. +. +.TP +.B .URL url [description] [after] +generates a URL using either one, +two, +or three arguments. +. +The first parameter is the actual URL, the second is the name of the +link, and the third is optional stuff to be printed immediately +afterwards. +. +If +.B description +and +.B after +are absent then the +.B URL +becomes the anchor text. +. +Hyphenation is disabled while printing the actual URL; +explicit breakpoints should be inserted with the +.B \[rs]: +escape sequence. +. +Here is how to encode +.UR http://\:foo\:.org/ +foo +.UE : +.RS +.IP +.B .URL http://\[rs]:foo\[rs]:.org/ "foo" : +.RE +. +.IP +If this is processed by a device other than +.B \-Thtml +or +.B \-Txhtml +it appears as: +.RS +.IP +foo \[la]\f[CR]http://\:foo\:.org\f[]\[ra]: +.RE +. +.IP +The URL macro can be of any type; +for example, we can reference +.UR pic\:.html +Eric Raymond's +.I pic +guide +.UE +by: +.RS +.IP +.B .URL pic\[rs]:.html \[dq]Eric Raymond\[aq]s pic guide\[dq] +.RE +. +.TP +.B .MTO address [description] [after] +Generate an email HTML reference. +. +The first argument is mandatory as the email address. +. +The optional second argument is the text you see in your browser. +. +If an empty argument is given, +.B address +is used instead. +. +An optional third argument is stuff printed immediately afterwards. +. +Hyphenation is disabled while printing the actual email address. +. +For example, +.MT joe@\:user\:.org +Joe User +.ME +can be achieved by the following macro: +.RS +.IP +.B .MTO joe@user.org \[dq]Joe User\[dq] +.RE +. +.IP +All URLs currently are treated as consuming no textual +space in +.IR groff . +. +This could be considered as a bug since it causes some problems. +. +To circumvent this, +.B www.tmac +inserts a zero-width character which expands to a harmless space (only +if run with +.B \-Thtml +or +.BR \-Txhtml ). +. +.TP +.B .FTP url [description] [after] +indicates that data can be obtained via FTP. +. +The first argument is the URL and the second is the browser text. +. +A third argument, similar to the macros above, is intended for stuff +printed immediately afterwards. +. +The second and the third parameter are optional. +. +Hyphenation is disabled while printing the actual URL. +. +As an example, here is the location of the +.UR ftp://\:ftp\:.gnu\:.org/ +GNU FTP server +.UE . +. +The macro example above can be specified as: +.RS +.IP +.B .FTP ftp://\[rs]:ftp\[rs]:.gnu\[rs]:.org/ \[dq]GNU FTP server\[dq] . +.RE +. +.TP +.B .TAG name +Generates an HTML name tag from its argument. +. +This can then be referenced using the +.UR #URL +URL +.UE +macro. +. +As you can see, you must precede the tag name with +.B # +since it is a local reference. +. +This link was achieved via placing a TAG in the URL description above; +the source looks like this: +. +. +.RS +.IP +.EX +\&.TP +\&.B URL +generates +\&.TAG URL +a URL using either two or three arguments. +\&.\|.\|. +.EE +.RE +. +. +.TP +.B .IMG [\-R|\-L|\-C] filename [width] [height] +Include a picture into the document. +. +The first argument is the horizontal location: right, left, or center +.RB ( \-R , +.BR \-L , +or +.BR \-C ). +. +Alignment is centered by default +.RB ( \-C ). +. +The second argument is the filename. +. +The optional third and fourth arguments are the width and height. +. +If the width is absent it defaults to 1\~inch. +. +If the height is absent it defaults to the width. +. +This maps onto an HTML img tag. +. +If you are including a PNG image then it is advisable to use the +.B PIMG +macro. +. +.TP +.B .PIMG [\-R|\-L|\-C] filename [width [height]] +Include an image in PNG format. +. +This macro takes exactly the same parameters as the +.B IMG +macro; it has the advantage of working with PostScript and HTML devices +also since it can automatically convert the image into the EPS format, +using the following programs of the +.B netpbm +package: +.BR pngtopnm , +.BR pnmcrop , +and +.BR pnmtops . +. +If the document isn't processed with +.B \-Thtml +or +.B \-Txhtml +it is necessary to use the +.B \-U +option of +.IR groff . +. +.TP +.B .MPIMG [\-R|\-L] [\-G gap] filename [width [height]] +Place a PNG image on the margin and wrap text around it. +. +The first parameters are optional. +. +The alignment: left or right +.RB ( \-L +or +.BR \-R ) +specifies the margin where the picture is placed at. +. +The default alignment is left +.RB ( \-L ). +. +Optionally, +.BI \-G \~gap +can be used to arrange a gap between the picture and the text that +wraps around it. +. +The default gap width is zero. +. +.br +The first non-optional argument is the filename. +. +The optional following arguments are the width and height. +. +If the width is absent it defaults to 1\~inch. +. +If the height is absent it defaults to the width. +. +Example: +. +. +.RS +.IP +.EX +\&.MPIMG \-L \-G 2c foo.png 3c 1.5c +.EE +.RE +. +. +.IP +The height and width may also be given as percentages. +. +The PostScript device calculates the width from the +.B .l +register and the height from the +.B .p +register. +. +For example: +. +. +.RS +.IP +.EX +\&.MPIMG \-L \-G 2c foo.png 15% +.EE +.RE +. +. +.TP +.B .HnS n +Begin heading. +. +The numeric heading level +.I n +is specified by the first parameter. +. +Use this macro if your headings contain URL, FTP or MTO macros. +. +Example: +. +. +.RS +.IP +.EX +\&.HnS 1 +\&.HR +GNU Troff +\&.URL https://\[rs]:www\[rs]:.gnu\[rs]:.org/\[rs]:software/\[rs]:groff/ +\&\[rs][em]a +\&.URL http://www\[rs]:.gnu\[rs]:.org/ GNU +\&project. +\&.HR +\&.HnE +.EE +.RE +. +. +.IP +In this case you might wish to disable automatic links to headings. +. +This can be done via +.B \-P\-l +from the command line. +.\" or by using a call to \[lq].HX 0\[rq]. +. +. +.TP +.B .HnE +End heading. +. +. +.TP +.B .LK +Force +.I \%grohtml +to place the automatically generated links at this position. +. +. +.TP +.B .HR +Generate a full-width horizontal rule for +.B \-Thtml +and +.BR \-Txhtml . +. +No effect for all other devices. +. +.TP +.B .NHR +Suppress generation of the top and bottom rules which +.I \%grohtml +emits by default. +. +.TP +.B .HTL +Generate an HTML title only. +. +This differs from the +.B TL +macro of the +.B ms +macro package which generates both an HTML title and an <H1> heading. +. +Use it to provide an HTML title as search engine fodder but a graphic +title in the document. +. +The macro terminates when a space or break is seen (.sp, \&.br). +. +.TP +.B .HEAD +Add arbitrary HTML data to the <head> block. +. +Ignored if not processed with +.B \-Thtml +or +.BR \-Txhtml . +. +Example: +. +. +.RS +.IP +.EX +\&.HEAD \[dq]<link \[rs] + rel=\[dq]\[dq]icon\[dq]\[dq] \[rs] + type=\[dq]\[dq]image/png\[dq]\[dq] \[rs] + href=\[dq]\[dq]http://foo.org//bar.png\[dq]\[dq]/>\[dq] +.EE +.RE +. +. +.TP +.B .HTML +All text after this macro is treated as raw HTML. +. +If the document is processed without +.B \-Thtml +or +.B \-Txhtml +then the macro is ignored. +. +Internally, this macro is used as a building block for other +higher-level macros. +. +.IP +For example, the +.B BGIMG +macro is defined as +. +. +.RS +.IP +.EX +\&.de BGIMG +\&.\& HTML <body background=\[rs]\[rs]$1> +\&.. +.EE +.RE +. +. +.TP +.B .DC l text [color] +Produce a drop capital. +. +The first parameter is the letter to be dropped and enlarged, the second +parameter +.B text +is the adjoining text whose height the first letter should not exceed. +. +The optional third parameter is the color of the dropped letter. +. +It defaults to black. +. +.TP +.B ".CDS" +Start displaying a code section in constant width font. +. +.TP +.B ".CDE" +End code display +. +.TP +.B ".ALN [color] [percentage]" +Place section heading links automatically to the left of the main text. +. +The color argument is optional and if present indicates which HTML +background color is to be used under the links. +. +The optional percentage indicates the amount of width to devote to +displaying the links. +. +The default values are #eeeeee and 30 for color and percentage width, +respectively. +. +This macro should only be called once at the beginning of the document. +. +After calling this macro each section heading emits an HTML table +consisting of the links in the left and the section text on the right. +. +.TP +.B ".LNS" +Start a new two-column table with links in the left column. +. +This can be called if the document has text before the first \&.SH and +if \&.ALN is used. +. +Typically this is called just before the first paragraph and after the +main title as it indicates that text after this point should be +positioned to the right of the left-hand navigational links. +. +.TP +.B ".LNE" +End a two-column table. +. +This should be called at the end of the document if \&.ALN was used. +. +.TP +.B ".LINKSTYLE color [ fontstyle [ openglyph closeglyph ] ]" +Initialize default URL attributes to be used if this macro set is not +used with the HTML device. +. +The macro set initializes itself with the following call +. +. +.RS +.IP +.EX +\&.LINKSTYLE blue CR \e[la] \e[ra] +.EE +.RE +. +. +.IP +but these values will be superseded by a user call to LINKSTYLE. +. +. +.\" ==================================================================== +.SH "Section heading links" +.\" ==================================================================== +. +By default +.I \%grohtml +generates links to all section headings and places these at the top of +the HTML document. +. +(See +.UR #LK +LINKS +.UE +for details of how to switch this off or alter the position). +. +. +.\" ==================================================================== +.SH "Limitations of \f[I]grohtml\f[]" +.\" ==================================================================== +. +.MR @g@tbl @MAN1EXT@ +tables are rendered as PNG images. +. +Paul DuBois's approach with +.MR tblcvt 1 , +part of the +.UR http://\:www\:.snake\:.net/\:software/\:troffcvt/ +.I troffcvt +distribution +.UE , +should be explored. +. +. +.\" ==================================================================== +.SH Files +.\" ==================================================================== +. +.I @MACRODIR@/\:www\:.tmac +. +. +.\" ==================================================================== +.SH Authors +.\" ==================================================================== +. +The +.I www +macro package +was written by +.MT gaius@\:glam\:.ac\:.uk +Gaius Mulley +.ME , +with additions by +.MT wl@\:gnu\:.org +Werner Lemberg +.ME +and +.MT groff\-bernd\:.warken\-72@\:web\:.de +Bernd Warken +.ME . +. +. +.\" ==================================================================== +.SH "See also" +.\" ==================================================================== +. +.MR groff @MAN1EXT@ , +.MR @g@troff @MAN1EXT@ , +.MR grohtml @MAN1EXT@ , +.MR netpbm 1 +. +. +.\" Restore compatibility mode (for, e.g., Solaris 10/11). +.cp \n[*groff_groff_www_7_man_C] +.do rr *groff_groff_www_7_man_C +. +. +.\" Local Variables: +.\" fill-column: 72 +.\" mode: nroff +.\" End: +.\" vim: set filetype=groff textwidth=72: |