Adding upstream version 2.9.0dev.12.upstream/2.9.0dev.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1539 insertions, 0 deletions

diff --git a/src/LYKeymap.c b/src/LYKeymap.c
new file mode 100644
index 0000000..b05d0a3
--- /dev/null
+++ b/src/LYKeymap.c
@@ -0,0 +1,1539 @@
+/* $LynxId: LYKeymap.c,v 1.122 2021/06/09 21:58:11 tom Exp $ */
+#include <HTUtils.h>
+#include <LYUtils.h>
+#include <LYGlobalDefs.h>
+#include <LYKeymap.h>
+#include <LYCharSets.h>		/* for LYlowest_eightbit - kw */
+#include <HTAccess.h>
+#include <HTFormat.h>
+#include <HTAlert.h>
+#include <LYStrings.h>		/* for USE_KEYMAP stuff - kw */
+
+#include <LYLeaks.h>
+
+#ifdef EXP_KEYBOARD_LAYOUT
+#include <jcuken_kb.h>
+#include <yawerty_kb.h>
+#include <rot13_kb.h>
+#endif
+
+#define PUTS(buf)    (*target->isa->put_block)(target, buf, (int) strlen(buf))
+
+#ifdef EXP_KEYBOARD_LAYOUT
+int current_layout = 0;		/* Index into LYKbLayouts[]   */
+
+LYKbLayout_t *LYKbLayouts[] =
+{
+    kb_layout_rot13,
+    kb_layout_jcuken,
+    kb_layout_yawerty
+};
+
+const char *LYKbLayoutNames[] =
+{
+    "ROT13'd keyboard layout",
+    "JCUKEN Cyrillic, for AT 101-key kbd",
+    "YAWERTY Cyrillic, for DEC LK201 kbd",
+    (char *) 0
+};
+#endif /* EXP_KEYBOARD_LAYOUT */
+
+/* * * Tables mapping LynxKeyCodes to LynxActionCodes  * * */
+
+/*
+ * Lynxkeycodes include all single-byte keys as well as codes for function keys
+ * and some special purposes.  See LYStrings.h.  Extended lynxkeycode values
+ * can also contain flags for modifiers and other purposes, but here only the
+ * base values are mapped to lynxactioncodes.  They are called `keystrokes' in
+ * lynx.cfg.
+ *
+ * Lynxactioncodes (confusingly, constants are named LYK_foo and typed as
+ * specify key `functions', see LYKeymap.h.
+ */
+
+/* the character gets 1 added to it before lookup,
+ * so that EOF maps to 0
+ */
+LYKeymap_t keymap[KEYMAP_SIZE];
+
+static const LYEditInit initKeymapData[] =
+{
+    {KTL('@'), LYK_DO_NOTHING},
+    {KTL('A'), LYK_HOME},
+    {KTL('B'), LYK_PREV_PAGE},
+    {KTL('D'), LYK_ABORT},
+    {KTL('E'), LYK_END},
+    {KTL('F'), LYK_NEXT_PAGE},
+    {KTL('H'), LYK_HISTORY},
+    {KTL('I'), LYK_FASTFORW_LINK},
+    {KTL('J'), LYK_ACTIVATE},
+    {KTL('K'), LYK_COOKIE_JAR},
+    {KTL('L'), LYK_REFRESH},
+    {KTL('M'), LYK_ACTIVATE},
+    {KTL('N'), LYK_DOWN_TWO},
+    {KTL('P'), LYK_UP_TWO},
+    {KTL('Q'), LYK_CHANGE_CENTER},
+    {KTL('R'), LYK_RELOAD},
+    {KTL('S'), LYK_TO_CLIPBOARD},
+    {KTL('T'), LYK_TRACE_TOGGLE},
+    {KTL('U'), LYK_NEXT_DOC},
+    {KTL('V'), LYK_SWITCH_DTD},
+    {KTL('W'), LYK_REFRESH},
+    {KTL('X'), LYK_CACHE_JAR},
+    {KTL('Z'), LYK_MAXSCREEN_TOGGLE},
+    {KHR(' '), LYK_NEXT_PAGE},
+    {KHR('!'), LYK_SHELL},
+    {KHR('"'), LYK_SOFT_DQUOTES},
+    {KHR('#'), LYK_TOOLBAR},
+    {KHR('$'), LYK_LAST_LINK},
+    {KHR('\''), LYK_HISTORICAL},
+    {KHR('('), LYK_UP_HALF},
+    {KHR(')'), LYK_DOWN_HALF},
+    {KHR('*'), LYK_IMAGE_TOGGLE},
+    {KHR('+'), LYK_NEXT_PAGE},
+    {KHR(','), LYK_EXTERN_PAGE},
+    {KHR('-'), LYK_PREV_PAGE},
+    {KHR('.'), LYK_EXTERN_LINK},
+    {KHR('/'), LYK_WHEREIS},
+    {KHR('0'), LYK_F_LINK_NUM},
+    {KHR('1'), LYK_1},
+    {KHR('2'), LYK_2},
+    {KHR('3'), LYK_3},
+    {KHR('4'), LYK_4},
+    {KHR('5'), LYK_5},
+    {KHR('6'), LYK_6},
+    {KHR('7'), LYK_7},
+    {KHR('8'), LYK_8},
+    {KHR('9'), LYK_9},
+    {KHR(':'), LYK_COMMAND},
+    {KHR(';'), LYK_TRACE_LOG},
+    {KHR('<'), LYK_UP_LINK},
+    {KHR('='), LYK_INFO},
+    {KHR('>'), LYK_DOWN_LINK},
+    {KHR('?'), LYK_HELP},
+    {KHR('@'), LYK_RAW_TOGGLE},
+    {KHR('A'), LYK_ADDRLIST},
+    {KHR('B'), LYK_PREV_PAGE},
+#ifdef SUPPORT_CHDIR
+    {KHR('C'), LYK_CHDIR},
+#else
+    {KHR('C'), LYK_COMMENT},
+#endif
+    {KHR('D'), LYK_DOWNLOAD},
+    {KHR('E'), LYK_ELGOTO},
+    {KHR('F'), LYK_DIRED_MENU},
+    {KHR('G'), LYK_ECGOTO},
+    {KHR('H'), LYK_HELP},
+    {KHR('I'), LYK_INDEX},
+#ifdef KANJI_CODE_OVERRIDE
+    {KHR('J'), LYK_CHANGE_KCODE},
+#else
+    {KHR('J'), LYK_JUMP},
+#endif
+    {KHR('K'), LYK_KEYMAP},
+    {KHR('L'), LYK_LIST},
+    {KHR('M'), LYK_MAIN_MENU},
+    {KHR('N'), LYK_PREV},
+    {KHR('O'), LYK_OPTIONS},
+    {KHR('P'), LYK_PRINT},
+    {KHR('Q'), LYK_ABORT},
+    {KHR('R'), LYK_DEL_BOOKMARK},
+    {KHR('S'), LYK_INDEX_SEARCH},
+    {KHR('T'), LYK_TAG_LINK},
+    {KHR('U'), LYK_PREV_DOC},
+    {KHR('V'), LYK_VLINKS},
+    {KHR('X'), LYK_NOCACHE},
+    {KHR('Z'), LYK_INTERRUPT},
+    {KHR('['), LYK_INLINE_TOGGLE},
+    {KHR('\\'), LYK_SOURCE},
+    {KHR(']'), LYK_HEAD},
+    {KHR('^'), LYK_FIRST_LINK},
+    {KHR('_'), LYK_CLEAR_AUTH},
+    {KHR('`'), LYK_MINIMAL},
+    {KHR('a'), LYK_ADD_BOOKMARK},
+    {KHR('b'), LYK_PREV_PAGE},
+    {KHR('c'), LYK_COMMENT},
+    {KHR('d'), LYK_DOWNLOAD},
+    {KHR('e'), LYK_EDIT},
+    {KHR('f'), LYK_DIRED_MENU},
+    {KHR('g'), LYK_GOTO},
+    {KHR('h'), LYK_HELP},
+    {KHR('i'), LYK_INDEX},
+    {KHR('j'), LYK_JUMP},
+    {KHR('k'), LYK_KEYMAP},
+    {KHR('l'), LYK_LIST},
+    {KHR('m'), LYK_MAIN_MENU},
+    {KHR('n'), LYK_NEXT},
+    {KHR('o'), LYK_OPTIONS},
+    {KHR('p'), LYK_PRINT},
+    {KHR('q'), LYK_QUIT},
+    {KHR('r'), LYK_DEL_BOOKMARK},
+    {KHR('s'), LYK_INDEX_SEARCH},
+    {KHR('t'), LYK_TAG_LINK},
+    {KHR('u'), LYK_PREV_DOC},
+    {KHR('v'), LYK_VIEW_BOOKMARK},
+    {KHR('x'), LYK_NOCACHE},
+    {KHR('z'), LYK_INTERRUPT},
+    {KHR('{'), LYK_SHIFT_LEFT},
+    {KHR('|'), LYK_LINEWRAP_TOGGLE},
+    {KHR('}'), LYK_SHIFT_RIGHT},
+    {KHR('~'), LYK_NESTED_TABLES},
+    {KHR(DEL_KEY), LYK_HISTORY},
+    {KHR(UPARROW_KEY), LYK_PREV_LINK},
+    {KHR(DNARROW_KEY), LYK_NEXT_LINK},
+    {KHR(RTARROW_KEY), LYK_ACTIVATE},
+    {KHR(LTARROW_KEY), LYK_PREV_DOC},
+    {KHR(PGDOWN_KEY), LYK_NEXT_PAGE},
+    {KHR(PGUP_KEY), LYK_PREV_PAGE},
+    {KHR(HOME_KEY), LYK_HOME},
+    {KHR(END_KEY), LYK_END},
+    {KHR(F1_KEY), LYK_DWIMHELP},
+#if !(defined(_WINDOWS) || defined(__DJGPP__))
+    {KHR(DO_KEY), LYK_ACTIVATE},
+    {KHR(FIND_KEY), LYK_HOME},
+    {KHR(SELECT_KEY), LYK_END},
+#endif
+    {KHR(INSERT_KEY), LYK_UP_TWO},
+    {KHR(REMOVE_KEY), LYK_DOWN_TWO},
+    {KHR(DO_NOTHING), LYK_DO_NOTHING},
+    {KHR(BACKTAB_KEY), LYK_FASTBACKW_LINK},
+    {KHR(F11_KEY), LYK_DO_NOTHING},
+#ifdef DJGPP_KEYHANDLER
+    {302, LYK_ABORT},
+#endif				/* DJGPP_KEYHANDLER */
+#if (defined(_WINDOWS) || defined(__DJGPP__) || defined(__CYGWIN__)) && !defined(USE_SLANG)	/* PDCurses */
+    {441, LYK_ABORT},		/* ALT_X */
+    {459, LYK_WHEREIS},		/* KP_SLASH */
+    {464, LYK_IMAGE_TOGGLE},	/* KP_* */
+    {465, LYK_PREV_PAGE},	/* KP_- */
+    {466, LYK_NEXT_PAGE},	/* KP_+ */
+#endif
+    {657, LYK_CHANGE_LINK},
+    {-1, LYE_UNKNOWN}
+};
+
+static LYEditConfig myKeymapData =
+{
+    "Key Map", initKeymapData, keymap
+};
+
+#if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE)
+/*
+ * This table is used to override the standard keyboard assignments
+ * when lynx_edit_mode is in effect and keyboard overrides have been
+ * allowed at compile time.
+ */
+
+LYKeymap_t key_override[KEYMAP_SIZE];
+
+static const LYEditInit initOverrideData[] =
+{
+    {22, LYK_NEXT_DOC},		/* ^V */
+    {47, LYK_TAG_LINK},		/* . */
+#ifndef SUPPORT_CHDIR
+    {68, LYK_CREATE},		/* C */
+#else
+    {68, LYK_CHDIR},		/* C */
+#endif
+    {71, LYK_DIRED_MENU},	/* F */
+    {78, LYK_MODIFY},		/* M */
+    {83, LYK_REMOVE},		/* R */
+    {85, LYK_TAG_LINK},		/* T */
+    {86, LYK_UPLOAD},		/* U */
+    {100, LYK_CREATE},		/* c */
+    {103, LYK_DIRED_MENU},	/* f */
+    {110, LYK_MODIFY},		/* m */
+    {115, LYK_REMOVE},		/* r */
+    {117, LYK_TAG_LINK},	/* t */
+    {118, LYK_UPLOAD},		/* u */
+    {271, LYK_DO_NOTHING},	/* DO_NOTHING */
+    {-1, LYE_UNKNOWN}
+};
+
+static LYEditConfig myOverrideData =
+{
+    "Key Override", initOverrideData, key_override
+};
+#endif /* DIRED_SUPPORT && OK_OVERRIDE */
+
+#define DATA(code, name, doc) { code, name, doc }
+/* The order of this array must match the LYKeymapCode enum in LYKeymap.h */
+static Kcmd revmap[] =
+{
+    DATA(
+	    LYK_UNKNOWN, "UNMAPPED",
+	    NULL),
+    DATA(
+	    LYK_COMMAND, "COMMAND",
+	    "prompt for, execute a command"),
+    DATA(
+	    LYK_1, "1",
+	    NULL),
+    DATA(
+	    LYK_2, "2",
+	    NULL),
+    DATA(
+	    LYK_3, "3",
+	    NULL),
+    DATA(
+	    LYK_4, "4",
+	    NULL),
+    DATA(
+	    LYK_5, "5",
+	    NULL),
+    DATA(
+	    LYK_6, "6",
+	    NULL),
+    DATA(
+	    LYK_7, "7",
+	    NULL),
+    DATA(
+	    LYK_8, "8",
+	    NULL),
+    DATA(
+	    LYK_9, "9",
+	    NULL),
+    DATA(
+	    LYK_SOURCE, "SOURCE",
+	    "toggle source/presentation for current document"),
+    DATA(
+	    LYK_RELOAD, "RELOAD",
+	    "reload the current document"),
+    DATA(
+	    LYK_QUIT, "QUIT",
+	    "quit the browser"),
+    DATA(
+	    LYK_ABORT, "ABORT",
+	    "quit the browser unconditionally"),
+    DATA(
+	    LYK_NEXT_PAGE, "NEXT_PAGE",
+	    "view the next page of the document"),
+    DATA(
+	    LYK_PREV_PAGE, "PREV_PAGE",
+	    "view the previous page of the document"),
+    DATA(
+	    LYK_UP_TWO, "UP_TWO",
+	    "go back two lines in the document"),
+    DATA(
+	    LYK_DOWN_TWO, "DOWN_TWO",
+	    "go forward two lines in the document"),
+    DATA(
+	    LYK_UP_HALF, "UP_HALF",
+	    "go back half a page in the document"),
+    DATA(
+	    LYK_DOWN_HALF, "DOWN_HALF",
+	    "go forward half a page in the document"),
+    DATA(
+	    LYK_REFRESH, "REFRESH",
+	    "refresh the screen to clear garbled text"),
+    DATA(
+	    LYK_HOME, "HOME",
+	    "go to the beginning of the current document"),
+    DATA(
+	    LYK_END, "END",
+	    "go to the end of the current document"),
+    DATA(
+	    LYK_FIRST_LINK, "FIRST_LINK",
+	    "make the first link on the line current"),
+    DATA(
+	    LYK_LAST_LINK, "LAST_LINK",
+	    "make the last link on the line current"),
+    DATA(
+	    LYK_PREV_LINK, "PREV_LINK",
+	    "make the previous link current"),
+    DATA(
+	    LYK_NEXT_LINK, "NEXT_LINK",
+	    "make the next link current"),
+    DATA(
+	    LYK_LPOS_PREV_LINK, "LPOS_PREV_LINK",
+	    "make previous link current, same column for input"),
+    DATA(
+	    LYK_LPOS_NEXT_LINK, "LPOS_NEXT_LINK",
+	    "make next link current, same column for input"),
+    DATA(
+	    LYK_FASTBACKW_LINK, "FASTBACKW_LINK",
+	    "previous link or text area, only stops on links"),
+    DATA(
+	    LYK_FASTFORW_LINK, "FASTFORW_LINK",
+	    "next link or text area, only stops on links"),
+    DATA(
+	    LYK_UP_LINK, "UP_LINK",
+	    "move up the page to a previous link"),
+    DATA(
+	    LYK_DOWN_LINK, "DOWN_LINK",
+	    "move down the page to another link"),
+    DATA(
+	    LYK_RIGHT_LINK, "RIGHT_LINK",
+	    "move right to another link"),
+    DATA(
+	    LYK_LEFT_LINK, "LEFT_LINK",
+	    "move left to a previous link"),
+    DATA(
+	    LYK_HISTORY, "HISTORY",
+	    "display stack of currently-suspended documents"),
+    DATA(
+	    LYK_PREV_DOC, "PREV_DOC",
+	    "go back to the previous document"),
+    DATA(
+	    LYK_NEXT_DOC, "NEXT_DOC",
+	    "undo going back to the previous document"),
+    DATA(
+	    LYK_ACTIVATE, "ACTIVATE",
+	    "go to the document given by the current link"),
+    DATA(
+	    LYK_MOUSE_SUBMIT, "MOUSE_SUBMIT",
+	    "DO NOT MAP:  follow current link, submit"),
+    DATA(
+	    LYK_SUBMIT, "SUBMIT",
+	    "prompt and submit form"),
+    DATA(
+	    LYK_RESET, "RESET",
+	    "reset fields on current form"),
+    DATA(
+	    LYK_GOTO, "GOTO",
+	    "go to a document given as a URL"),
+    DATA(
+	    LYK_ECGOTO, "ECGOTO",
+	    "edit the current document's URL and go to it"),
+    DATA(
+	    LYK_HELP, "HELP",
+	    "display help on using the browser"),
+    DATA(
+	    LYK_DWIMHELP, "DWIMHELP",
+	    "display help page that may depend on context"),
+    DATA(
+	    LYK_INDEX, "INDEX",
+	    "display an index of potentially useful documents"),
+    DATA(
+	    LYK_NOCACHE, "NOCACHE",
+	    "force submission of form or link with no-cache"),
+    DATA(
+	    LYK_INTERRUPT, "INTERRUPT",
+	    "interrupt network connection or transmission"),
+    DATA(
+	    LYK_MAIN_MENU, "MAIN_MENU",
+	    "return to the first screen (home page)"),
+    DATA(
+	    LYK_OPTIONS, "OPTIONS",
+	    "display and change option settings"),
+    DATA(
+	    LYK_INDEX_SEARCH, "INDEX_SEARCH",
+	    "allow searching of an index"),
+    DATA(
+	    LYK_WHEREIS, "WHEREIS",
+	    "search within the current document"),
+    DATA(
+	    LYK_PREV, "PREV",
+	    "search for the previous occurrence"),
+    DATA(
+	    LYK_NEXT, "NEXT",
+	    "search for the next occurrence"),
+    DATA(
+	    LYK_COMMENT, "COMMENT",
+	    "send a comment to the author of the current document"),
+    DATA(
+	    LYK_EDIT, "EDIT",
+	    "edit the current document or a form's textarea"),
+    DATA(
+	    LYK_INFO, "INFO",
+	    "display information on the current document and link"),
+    DATA(
+	    LYK_PRINT, "PRINT",
+	    "display choices for printing the current document"),
+    DATA(
+	    LYK_ADD_BOOKMARK, "ADD_BOOKMARK",
+	    "add to your personal bookmark list"),
+    DATA(
+	    LYK_DEL_BOOKMARK, "DEL_BOOKMARK",
+	    "delete from your personal bookmark list"),
+    DATA(
+	    LYK_VIEW_BOOKMARK, "VIEW_BOOKMARK",
+	    "view your personal bookmark list"),
+    DATA(
+	    LYK_VLINKS, "VLINKS",
+	    "list links visited during the current Lynx session"),
+    DATA(
+	    LYK_SHELL, "SHELL",
+	    "escape from the browser to the system"),
+    DATA(
+	    LYK_DOWNLOAD, "DOWNLOAD",
+	    "download the current link to your computer"),
+    DATA(
+	    LYK_TRACE_TOGGLE, "TRACE_TOGGLE",
+	    "toggle tracing of browser operations"),
+    DATA(
+	    LYK_TRACE_LOG, "TRACE_LOG",
+	    "view trace log if started in the current session"),
+    DATA(
+	    LYK_IMAGE_TOGGLE, "IMAGE_TOGGLE",
+	    "toggle handling of all images as links"),
+    DATA(
+	    LYK_INLINE_TOGGLE, "INLINE_TOGGLE",
+	    "toggle pseudo-ALTs for inlines with no ALT string"),
+    DATA(
+	    LYK_HEAD, "HEAD",
+	    "send a HEAD request for the current document or link"),
+    DATA(
+	    LYK_DO_NOTHING, "DO_NOTHING",
+	    NULL),
+    DATA(
+	    LYK_TOGGLE_HELP, "TOGGLE_HELP",
+	    "show other commands in the novice help menu"),
+    DATA(
+	    LYK_JUMP, "JUMP",
+	    "go directly to a target document or action"),
+    DATA(
+	    LYK_EDITMAP, "EDITMAP",
+	    "display the current edit-key map"),
+    DATA(
+	    LYK_KEYMAP, "KEYMAP",
+	    "display the current key map"),
+    DATA(
+	    LYK_LIST, "LIST",
+	    "list the references (links) in the current document"),
+    DATA(
+	    LYK_TOOLBAR, "TOOLBAR",
+	    "go to Toolbar or Banner in the current document"),
+    DATA(
+	    LYK_HISTORICAL, "HISTORICAL",
+	    "toggle historical vs.  valid/minimal comment parsing"),
+    DATA(
+	    LYK_MINIMAL, "MINIMAL",
+	    "toggle minimal vs.  valid comment parsing"),
+    DATA(
+	    LYK_SOFT_DQUOTES, "SOFT_DQUOTES",
+	    "toggle valid vs.  soft double-quote parsing"),
+    DATA(
+	    LYK_RAW_TOGGLE, "RAW_TOGGLE",
+	    "toggle raw 8-bit translations or CJK mode ON or OFF"),
+    DATA(
+	    LYK_COOKIE_JAR, "COOKIE_JAR",
+	    "examine the Cookie Jar"),
+    DATA(
+	    LYK_F_LINK_NUM, "F_LINK_NUM",
+	    "invoke the 'Follow link (or page) number:' prompt"),
+    DATA(
+	    LYK_CLEAR_AUTH, "CLEAR_AUTH",
+	    "clear all authorization info for this session"),
+    DATA(
+	    LYK_SWITCH_DTD, "SWITCH_DTD",
+	    "switch between two ways of parsing HTML"),
+    DATA(
+	    LYK_ELGOTO, "ELGOTO",
+	    "edit the current link's URL or ACTION and go to it"),
+    DATA(
+	    LYK_CHANGE_LINK, "CHANGE_LINK",
+	    "force reset of the current link on the page"),
+    DATA(
+	    LYK_DWIMEDIT, "DWIMEDIT",
+	    "use external editor for context-dependent purpose"),
+    DATA(
+	    LYK_EDITTEXTAREA, "EDITTEXTAREA",
+	    "use an external editor to edit a form's textarea"),
+    DATA(
+	    LYK_GROWTEXTAREA, "GROWTEXTAREA",
+	    "add 5 new blank lines to the bottom of a textarea"),
+    DATA(
+	    LYK_INSERTFILE, "INSERTFILE",
+	    "insert file into a textarea (just above cursorline)"),
+#ifdef USE_ADDRLIST_PAGE
+    DATA(
+	    LYK_ADDRLIST, "ADDRLIST",
+	    "like LIST command, but always shows the links' URLs"),
+#endif
+#ifdef USE_EXTERNALS
+    DATA(
+	    LYK_EXTERN_LINK, "EXTERN_LINK",
+	    "run external program with current link"),
+    DATA(
+	    LYK_EXTERN_PAGE, "EXTERN_PAGE",
+	    "run external program with current page"),
+#endif
+#ifdef VMS
+    DATA(
+	    LYK_DIRED_MENU, "DIRED_MENU",
+	    "invoke File/Directory Manager, if available"),
+#else
+#ifdef DIRED_SUPPORT
+    DATA(
+	    LYK_DIRED_MENU, "DIRED_MENU",
+	    "display a full menu of file operations"),
+    DATA(
+	    LYK_CREATE, "CREATE",
+	    "create a new file or directory"),
+    DATA(
+	    LYK_REMOVE, "REMOVE",
+	    "remove a file or directory"),
+    DATA(
+	    LYK_MODIFY, "MODIFY",
+	    "modify the name or location of a file or directory"),
+    DATA(
+	    LYK_TAG_LINK, "TAG_LINK",
+	    "tag a file or directory for later action"),
+    DATA(
+	    LYK_UPLOAD, "UPLOAD",
+	    "upload from your computer to the current directory"),
+    DATA(
+	    LYK_INSTALL, "INSTALL",
+	    "install file or tagged files into a system area"),
+#endif				/* DIRED_SUPPORT */
+    DATA(
+	    LYK_CHANGE_CENTER, "CHANGE_CENTER",
+	    "toggle center alignment in HTML TABLE"),
+#ifdef KANJI_CODE_OVERRIDE
+    DATA(
+	    LYK_CHANGE_KCODE, "CHANGE_KCODE",
+	    "Change Kanji code"),
+#endif
+#endif				/* VMS */
+#ifdef SUPPORT_CHDIR
+    DATA(
+	    LYK_CHDIR, "CHDIR",
+	    "change current directory"),
+    DATA(
+	    LYK_PWD, "PWD",
+	    "print current directory"),
+#endif
+#ifdef USE_CURSES_PADS
+    DATA(
+	    LYK_SHIFT_LEFT, "SHIFT_LEFT",
+	    "shift the screen left"),
+    DATA(
+	    LYK_SHIFT_RIGHT, "SHIFT_RIGHT",
+	    "shift the screen right"),
+    DATA(
+	    LYK_LINEWRAP_TOGGLE, "LINEWRAP_TOGGLE",
+	    "toggle linewrap on/off"),
+#endif
+#ifdef CAN_CUT_AND_PASTE
+    DATA(
+	    LYK_PASTE_URL, "PASTE_URL",
+	    "Goto the URL in the clipboard"),
+    DATA(
+	    LYK_TO_CLIPBOARD, "TO_CLIPBOARD",
+	    "link's URL to Clip Board"),
+#endif
+#ifdef EXP_NESTED_TABLES
+    DATA(
+	    LYK_NESTED_TABLES, "NESTED_TABLES",
+	    "toggle nested-table parsing on/off"),
+#endif
+#ifdef USE_CACHEJAR
+    DATA(
+	    LYK_CACHE_JAR, "CACHE_JAR",
+	    "examine list of cached documents"),
+#endif
+#ifdef USE_MAXSCREEN_TOGGLE
+    DATA(
+	    LYK_MAXSCREEN_TOGGLE, "MAXSCREEN_TOGGLE",
+	    "toggle max screen and normal"),
+#endif
+    DATA(
+	    LYK_UNKNOWN, NULL,
+	    "")
+};
+
+
+#undef DATA
+/* *INDENT-OFF* */
+static const struct {
+    int key;
+    const char *name;
+} named_keys[] = {
+    { '\t',		"<tab>" },
+    { '\r',		"<return>" },
+    { CH_ESC,		"ESC" },
+    { ' ',		"<space>" },
+    { '<',		"<" },
+    { '>',		">" },
+    /* LYExtraKeys */
+    { CH_DEL,		"<delete>" },
+    { UPARROW_KEY,	"Up Arrow" },
+    { DNARROW_KEY,	"Down Arrow" },
+    { RTARROW_KEY,	"Right Arrow" },
+    { LTARROW_KEY,	"Left Arrow" },
+    { PGDOWN_KEY,	"Page Down" },
+    { PGUP_KEY,		"Page Up" },
+    { HOME_KEY,		"Home" },
+    { END_KEY,		"End" },
+    { F1_KEY,		"F1" },
+    { F2_KEY,		"F2" },
+    { F3_KEY,		"F3" },
+    { F4_KEY,		"F4" },
+    { F5_KEY,		"F5" },
+    { F6_KEY,		"F6" },
+    { F7_KEY,		"F7" },
+    { F8_KEY,		"F8" },
+    { F9_KEY,		"F9" },
+    { F10_KEY,		"F10" },
+    { F11_KEY,		"F11" },
+    { F12_KEY,		"F12" },
+    { DO_KEY,		"Do key" },
+    { FIND_KEY,		"Find key" },
+    { SELECT_KEY,	"Select key" },
+    { INSERT_KEY,	"Insert key" },
+    { REMOVE_KEY,	"Remove key" },
+    { DO_NOTHING,	"(DO_NOTHING)" },
+    { BACKTAB_KEY,	"Back Tab" },
+    { MOUSE_KEY,	"mouse pseudo key" },
+};
+/* *INDENT-ON* */
+
+/*
+ * Build a list of Lynx's commands, for use in the tab-completion in LYgetstr.
+ */
+HTList *LYcommandList(void)
+{
+    static HTList *myList = NULL;
+
+    if (myList == NULL) {
+	unsigned j;
+
+	myList = HTList_new();
+	for (j = 0; revmap[j].name != 0; j++) {
+	    if (revmap[j].doc != 0) {
+		char *data = NULL;
+
+		StrAllocCopy(data, revmap[j].name);
+		HTList_addObject(myList, data);
+	    }
+	}
+    }
+    return myList;
+}
+
+/*
+ * Find the given keycode.
+ */
+Kcmd *LYKeycodeToKcmd(LYKeymapCode code)
+{
+    unsigned j;
+    Kcmd *result = 0;
+
+    if (code > LYK_UNKNOWN) {
+	for (j = 0; revmap[j].name != 0; j++) {
+	    if (revmap[j].code == code) {
+		result = revmap + j;
+		break;
+	    }
+	}
+    }
+    return result;
+}
+
+/*
+ * Find the given command-name, accepting an abbreviation if it is unique.
+ */
+Kcmd *LYStringToKcmd(const char *name)
+{
+    size_t need = strlen(name);
+    size_t j;
+    BOOL exact = FALSE;
+    Kcmd *result = 0;
+    Kcmd *maybe = 0;
+
+    if (non_empty(name)) {
+	for (j = 0; revmap[j].name != 0; j++) {
+	    if (!strcasecomp(revmap[j].name, name)) {
+		result = revmap + j;
+		break;
+	    } else if (!exact
+		       && !strncasecomp(revmap[j].name, name, (int) need)) {
+		if (maybe == 0) {
+		    maybe = revmap + j;
+		} else {
+		    if (revmap[j].name[need] != 0
+			&& maybe->name[need] != 0) {
+			maybe = 0;
+			exact = TRUE;
+		    }
+		}
+	    }
+	}
+    }
+    return (result != 0) ? result : maybe;
+}
+
+char *LYKeycodeToString(int c,
+			int upper8)
+{
+    static char buf[30];
+    unsigned n;
+    BOOLEAN named = FALSE;
+
+    for (n = 0; n < TABLESIZE(named_keys); n++) {
+	if (named_keys[n].key == c) {
+	    named = TRUE;
+	    LYStrNCpy(buf, named_keys[n].name, sizeof(buf) - 1);
+	    break;
+	}
+    }
+
+    if (!named) {
+	if (c <= 0377
+	    && TOASCII(c) > TOASCII(' ')
+	    && TOASCII(c) < 0177)
+	    sprintf(buf, "%c", c);
+	else if (upper8
+		 && TOASCII(c) > TOASCII(' ')
+		 && c <= 0377
+		 && c <= LYlowest_eightbit[current_char_set])
+	    sprintf(buf, "%c", c);
+	else if (TOASCII(c) < TOASCII(' '))
+	    sprintf(buf, "^%c", FROMASCII(TOASCII(c) | 0100));
+	else if (c >= 0400)
+	    sprintf(buf, "key-0x%x", (unsigned) c);
+	else
+	    sprintf(buf, "0x%x", (unsigned) c);
+    }
+    return buf;
+}
+
+int LYStringToKeycode(char *src)
+{
+    unsigned n;
+    int key = -1;
+    int len = (int) strlen(src);
+
+    if (len == 1) {
+	key = *src;
+    } else if (len == 2 && *src == '^') {
+	key = src[1] & 0x1f;
+    } else if (len > 2 && !strncasecomp(src, "0x", 2)) {
+	char *dst = 0;
+
+	key = (int) strtol(src, &dst, 0);
+	if (non_empty(dst))
+	    key = -1;
+    } else if (len > 6 && !strncasecomp(src, "key-", 4)) {
+	char *dst = 0;
+
+	key = (int) strtol(src + 4, &dst, 0);
+	if (isEmpty(dst))
+	    key = -1;
+    }
+    if (key < 0) {
+	for (n = 0; n < TABLESIZE(named_keys); n++) {
+	    if (!strcasecomp(named_keys[n].name, src)) {
+		key = named_keys[n].key;
+		break;
+	    }
+	}
+    }
+    return key;
+}
+
+#define PRETTY_LEN 11
+
+static char *pretty_html(int c)
+{
+    char *src = LYKeycodeToString(c, TRUE);
+
+    if (src != 0) {
+	/* *INDENT-OFF* */
+	static const struct {
+	    int	code;
+	    const char *name;
+	} table[] = {
+	    { '<',	"&lt;" },
+	    { '>',	"&gt;" },
+	    { '"',	"&quot;" },
+	    { '&',	"&amp;" }
+	};
+	/* *INDENT-ON* */
+
+	static char buf[30];
+	char *dst = buf;
+	int adj = 0;
+	unsigned n;
+	BOOLEAN found;
+
+	while ((c = *src++) != 0) {
+	    found = FALSE;
+	    for (n = 0; n < TABLESIZE(table); n++) {
+		if (c == table[n].code) {
+		    found = TRUE;
+		    LYStrNCpy(dst,
+			      table[n].name,
+			      sizeof(buf) - (size_t) ((dst - buf) - 1));
+		    adj += (int) strlen(dst) - 1;
+		    dst += (int) strlen(dst);
+		    break;
+		}
+	    }
+	    if (!found) {
+		*dst++ = (char) c;
+	    }
+	}
+	adj -= (int) (dst - buf) - PRETTY_LEN;
+	while (adj-- > 0)
+	    *dst++ = ' ';
+	*dst = 0;
+	return buf;
+    }
+
+    return 0;
+}
+
+static char *format_binding(LYKeymap_t *table, int i)
+{
+    LYKeymap_t the_key = table[i];
+    char *buf = 0;
+    char *formatted;
+    Kcmd *rmap = LYKeycodeToKcmd((LYKeymapCode) the_key);
+
+    if (rmap != 0
+	&& rmap->name != 0
+	&& rmap->doc != 0
+	&& (formatted = pretty_html(i - 1)) != 0) {
+	HTSprintf0(&buf, "%-*s %-13s %s\n",
+		   PRETTY_LEN, formatted,
+		   rmap->name,
+		   rmap->doc);
+	return buf;
+    }
+    return 0;
+}
+
+/* if both is true, produce an additional line for the corresponding
+   uppercase key if its binding is different. - kw */
+static void print_binding(HTStream *target, int i, int both)
+{
+    char *buf;
+    LYKeymap_t lac1 = LYK_UNKNOWN;	/* 0 */
+
+#if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE)
+    if (prev_lynx_edit_mode && !no_dired_support &&
+	(lac1 = key_override[i]) != LYK_UNKNOWN) {
+	if ((buf = format_binding(key_override, i)) != 0) {
+	    PUTS(buf);
+	    FREE(buf);
+	}
+    } else
+#endif /* DIRED_SUPPORT && OK_OVERRIDE */
+    if ((buf = format_binding(keymap, i)) != 0) {
+	lac1 = keymap[i];
+	PUTS(buf);
+	FREE(buf);
+    }
+
+    if (!both)
+	return;
+    i -= ' ';			/* corresponding uppercase key */
+
+#if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE)
+    if (prev_lynx_edit_mode && !no_dired_support && key_override[i]) {
+	if (key_override[i] != lac1 &&
+	    (buf = format_binding(key_override, i)) != 0) {
+	    PUTS(buf);
+	    FREE(buf);
+	}
+    } else
+#endif /* DIRED_SUPPORT && OK_OVERRIDE */
+    if (keymap[i] != lac1 && (buf = format_binding(keymap, i)) != 0) {
+	PUTS(buf);
+	FREE(buf);
+    }
+}
+
+/*
+ * Return lynxactioncode whose name is the string func.  returns -1 if not
+ * found.  - kw
+ */
+int lacname_to_lac(const char *func)
+{
+    Kcmd *mp = LYStringToKcmd(func);
+
+    return (mp != 0) ? (int) mp->code : -1;
+}
+
+/*
+ * Return lynxkeycode represented by string src.  returns -1 if not valid.
+ *
+ * This is simpler than what map_string_to_keysym() does for USE_KEYMAP, but
+ * compatible with revmap() used for processing KEYMAP options in the
+ * configuration file.  - kw
+ */
+int lkcstring_to_lkc(const char *src)
+{
+    int c = -1;
+
+    if (strlen(src) == 1) {
+	c = *src;
+    } else if (strlen(src) == 2 && *src == '^') {
+	c = src[1] & 037;
+    } else if (strlen(src) >= 2 && isdigit(UCH(*src))) {
+	char *next = 0;
+
+	c = (int) strtol(src, &next, 0);
+	if (next != 0 && *next != '\0')
+	    c = (-1);
+#ifdef USE_KEYMAPS
+    } else {
+	map_string_to_keysym(src, &c, TRUE);
+#ifndef USE_SLANG
+	if (c >= 0) {
+	    /* make curses-keys mapped from Keysym_Strings[] available here */
+	    if ((c & LKC_MASK) > 255)
+		c &= ~LKC_ISLKC;
+	}
+#endif
+#endif
+    }
+
+    if (c == CH_ESC) {
+	escape_bound = 1;
+    } else if (c < -1) {
+	c = (-1);
+    }
+
+    return c;
+}
+
+static int LYLoadKeymap(const char *arg GCC_UNUSED,
+			HTParentAnchor *anAnchor,
+			HTFormat format_out,
+			HTStream *sink)
+{
+    HTFormat format_in = WWW_HTML;
+    HTStream *target;
+    char *buf = 0;
+    int i;
+
+    /*
+     * Set up the stream.  - FM
+     */
+    target = HTStreamStack(format_in, format_out, sink, anAnchor);
+    if (target == NULL) {
+	HTSprintf0(&buf, CANNOT_CONVERT_I_TO_O,
+		   HTAtom_name(format_in), HTAtom_name(format_out));
+	HTAlert(buf);
+	FREE(buf);
+	return (HT_NOT_LOADED);
+    }
+    anAnchor->no_cache = TRUE;
+
+    HTSprintf0(&buf, "<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n",
+	       CURRENT_KEYMAP_TITLE);
+    PUTS(buf);
+    HTSprintf0(&buf, "<pre>\n");
+    PUTS(buf);
+
+    for (i = 'a' + 1; i <= 'z' + 1; i++) {
+	print_binding(target, i, TRUE);
+    }
+    for (i = 1; i < KEYMAP_SIZE; i++) {
+	/*
+	 * Don't show CHANGE_LINK if mouse not enabled.
+	 */
+	if ((i >= 0200 || i <= ' ' || !isalpha(i - 1)) &&
+	    (LYUseMouse || (keymap[i] != LYK_CHANGE_LINK))) {
+	    print_binding(target, i, FALSE);
+	}
+    }
+
+    HTSprintf0(&buf, "</pre>\n</body>\n</html>\n");
+    PUTS(buf);
+
+    (*target->isa->_free) (target);
+    FREE(buf);
+    return (HT_LOADED);
+}
+
+#ifdef GLOBALDEF_IS_MACRO
+#define _LYKEYMAP_C_GLOBALDEF_1_INIT { "LYNXKEYMAP", LYLoadKeymap, 0}
+GLOBALDEF(HTProtocol, LYLynxKeymap, _LYKEYMAP_C_GLOBALDEF_1_INIT);
+#else
+GLOBALDEF HTProtocol LYLynxKeymap =
+{"LYNXKEYMAP", LYLoadKeymap, 0};
+#endif /* GLOBALDEF_IS_MACRO */
+
+/*
+ * Install func as the mapping for key.
+ * If for_dired is TRUE, install it in the key_override[] table
+ * for Dired mode, otherwise in the general keymap[] table.
+ * If DIRED_SUPPORT or OK_OVERRIDE is not defined, don't do anything
+ * when for_dired is requested.
+ * returns lynxkeycode value != 0 if the mapping was made, 0 if not.
+ */
+int remap(char *key,
+	  const char *func,
+	  int for_dired)
+{
+    Kcmd *mp;
+    int c;
+    int result = 0;
+
+#if !defined(DIRED_SUPPORT) || !defined(OK_OVERRIDE)
+    if (for_dired) {
+	return result;
+    }
+#endif
+    if (func != NULL) {
+	c = lkcstring_to_lkc(key);
+	if ((c >= 0) && (c < KEYMAP_SIZE)) {
+	    /* Remapping of key actions is supported only for basic
+	     * lynxkeycodes, without modifiers etc.!  If we get somehow
+	     * called for an invalid lynxkeycode, fail or silently ignore
+	     * modifiers -KW
+	     */
+	    if (!(c & (LKC_ISLECLAC | LKC_ISLAC))) {
+		c &= LKC_MASK;
+		if ((mp = LYStringToKcmd(func)) != 0) {
+#if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE)
+		    if (for_dired)
+			key_override[c + 1] = mp->code;
+		    else
+#endif
+			keymap[c + 1] = (LYKeymap_t) mp->code;
+		    /* don't return 0, successful */
+		    result = (c ? c : (int) LAC_TO_LKC0(mp->code));
+		}
+	    }
+	}
+    }
+    return result;
+}
+
+typedef struct {
+    int code;
+    LYKeymap_t map;
+    LYKeymap_t save;
+} ANY_KEYS;
+
+/*
+ * Save the given keys in the table, setting them to the map'd value.
+ */
+static void set_any_keys(ANY_KEYS * table, size_t size)
+{
+    size_t j, k;
+
+    for (j = 0; j < size; ++j) {
+	k = (size_t) (table[j].code + 1);
+	table[j].save = keymap[k];
+	keymap[k] = table[j].map;
+    }
+}
+
+/*
+ * Restore the given keys from the table.
+ */
+static void reset_any_keys(ANY_KEYS * table, size_t size)
+{
+    size_t j, k;
+
+    for (j = 0; j < size; ++j) {
+	k = (size_t) (table[j].code + 1);
+	keymap[k] = table[j].save;
+    }
+}
+
+static ANY_KEYS vms_keys_table[] =
+{
+    {26, LYK_ABORT, 0},		/* control-Z */
+    {'$', LYK_SHELL, 0},
+};
+
+void set_vms_keys(void)
+{
+    set_any_keys(vms_keys_table, TABLESIZE(vms_keys_table));
+}
+
+static ANY_KEYS vi_keys_table[] =
+{
+    {'h', LYK_PREV_DOC, 0},
+    {'j', LYK_NEXT_LINK, 0},
+    {'k', LYK_PREV_LINK, 0},
+    {'l', LYK_ACTIVATE, 0},
+};
+
+static BOOLEAN did_vi_keys;
+
+void set_vi_keys(void)
+{
+    set_any_keys(vi_keys_table, TABLESIZE(vi_keys_table));
+    did_vi_keys = TRUE;
+}
+
+void reset_vi_keys(void)
+{
+    if (did_vi_keys) {
+	reset_any_keys(vi_keys_table, TABLESIZE(vi_keys_table));
+	did_vi_keys = FALSE;
+    }
+}
+
+static ANY_KEYS emacs_keys_table[] =
+{
+    {2, LYK_PREV_DOC, 0},	/* ^B */
+    {14, LYK_NEXT_LINK, 0},	/* ^N */
+    {16, LYK_PREV_LINK, 0},	/* ^P */
+    {6, LYK_ACTIVATE, 0},	/* ^F */
+};
+
+static BOOLEAN did_emacs_keys;
+
+void set_emacs_keys(void)
+{
+    set_any_keys(emacs_keys_table, TABLESIZE(emacs_keys_table));
+    did_emacs_keys = TRUE;
+}
+
+void reset_emacs_keys(void)
+{
+    if (did_emacs_keys) {
+	reset_any_keys(emacs_keys_table, TABLESIZE(emacs_keys_table));
+	did_emacs_keys = FALSE;
+    }
+}
+
+/*
+ * Map numbers to functions as labeled on the IBM Enhanced keypad, and save
+ * their original mapping for reset_numbers_as_arrows().  - FM
+ */
+static ANY_KEYS number_keys_table[] =
+{
+    {'1', LYK_END, 0},
+    {'2', LYK_NEXT_LINK, 0},
+    {'3', LYK_NEXT_PAGE, 0},
+    {'4', LYK_PREV_DOC, 0},
+    {'5', LYK_DO_NOTHING, 0},
+    {'6', LYK_ACTIVATE, 0},
+    {'7', LYK_HOME, 0},
+    {'8', LYK_PREV_LINK, 0},
+    {'9', LYK_PREV_PAGE, 0},
+};
+
+static BOOLEAN did_number_keys;
+
+void set_numbers_as_arrows(void)
+{
+    set_any_keys(number_keys_table, TABLESIZE(number_keys_table));
+    did_number_keys = TRUE;
+}
+
+void reset_numbers_as_arrows(void)
+{
+    if (did_number_keys) {
+	reset_any_keys(number_keys_table, TABLESIZE(number_keys_table));
+	did_number_keys = FALSE;
+    }
+}
+
+char *key_for_func(int func)
+{
+    static char *buf;
+    int i;
+    char *formatted;
+
+    if ((i = LYReverseKeymap(func)) >= 0) {
+	formatted = LYKeycodeToString(i, TRUE);
+	StrAllocCopy(buf, formatted != 0 ? formatted : "?");
+    } else if (buf == 0) {
+	StrAllocCopy(buf, "");
+    }
+    return buf;
+}
+
+/*
+ * Given one or two keys as lynxkeycodes, returns an allocated string
+ * representing the key(s) suitable for statusline messages, or NULL if no
+ * valid lynxkeycode is passed in (i.e., lkc_first < 0 or some other failure). 
+ * The caller must free the string.  - kw
+ */
+char *fmt_keys(int lkc_first,
+	       int lkc_second)
+{
+    char *buf = NULL;
+    BOOLEAN quotes = FALSE;
+    char *fmt_first;
+    char *fmt_second;
+
+    if (lkc_first < 0)
+	return NULL;
+    fmt_first = LYKeycodeToString(lkc_first, TRUE);
+    if (fmt_first && strlen(fmt_first) == 1 && *fmt_first != '\'') {
+	quotes = TRUE;
+    }
+    if (quotes) {
+	if (lkc_second < 0) {
+	    HTSprintf0(&buf, "'%s'", fmt_first);
+	    return buf;
+	} else {
+	    HTSprintf0(&buf, "'%s", fmt_first);
+	}
+    } else {
+	StrAllocCopy(buf, fmt_first);
+    }
+    if (lkc_second >= 0) {
+	fmt_second = LYKeycodeToString(lkc_second, TRUE);
+	if (!fmt_second) {
+	    FREE(buf);
+	    return NULL;
+	}
+	HTSprintf(&buf, "%s%s%s",
+		  (((strlen(fmt_second) > 2 && *fmt_second != '<') ||
+		    (strlen(buf) > 2 && buf[strlen(buf) - 1] != '>'))
+		   ? " "
+		   : ""),
+		  fmt_second, quotes ? "'" : "");
+    }
+    return buf;
+}
+
+/*
+ * This function returns the (int)ch mapped to the LYK_foo value passed to it
+ * as an argument.  It is like LYReverseKeymap, only the order of search is
+ * different; e.g., small ASCII letters will be returned in preference to
+ * capital ones.  Cf.  LYKeyForEditAction, LYEditKeyForAction in LYEditmap.c
+ * which use the same order to find a best key.  In addition, this function
+ * takes the dired override map into account while LYReverseKeymap doesn't. 
+ * The caller must free the returned string.  - kw
+ */
+#define FIRST_I 97
+#define NEXT_I(i,imax) ((i==122) ? 32 : (i==96) ? 123 : (i==126) ? 0 :\
+			(i==31) ? 256 : (i==imax) ? 127 :\
+			(i==255) ? (-1) :i+1)
+static int best_reverse_keymap(int lac)
+{
+    int i, c;
+
+    for (i = FIRST_I; i >= 0; i = NEXT_I(i, KEYMAP_SIZE - 1)) {
+#ifdef NOT_ASCII
+	if (i < 256) {
+	    c = FROMASCII(i);
+	} else
+#endif
+	    c = i;
+#if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE)
+	if (lynx_edit_mode && !no_dired_support && lac &&
+	    LKC_TO_LAC(key_override, c) == lac)
+	    return c;
+#endif /* DIRED_SUPPORT && OK_OVERRIDE */
+	if (LKC_TO_LAC(keymap, c) == lac) {
+	    return c;
+	}
+    }
+
+    return (-1);
+}
+
+/*
+ * This function returns a string representing a key mapped to a LYK_foo
+ * function, or NULL if not found.  The string may represent a pair of keys. 
+ * if context_code is FOR_INPUT, an appropriate binding for use while in the
+ * (forms) line editor is sought.  - kw
+ */
+char *key_for_func_ext(int lac,
+		       int context_code)
+{
+    int lkc, modkey = -1;
+
+    if (context_code == FOR_INPUT) {
+	lkc = LYEditKeyForAction(lac, &modkey);
+	if (lkc >= 0) {
+	    if (lkc & (LKC_MOD1 | LKC_MOD2 | LKC_MOD3)) {
+		return fmt_keys(modkey, lkc & ~(LKC_MOD1 | LKC_MOD2 | LKC_MOD3));
+	    } else {
+		return fmt_keys(lkc, -1);
+	    }
+	}
+    }
+    lkc = best_reverse_keymap(lac);
+    if (lkc < 0)
+	return NULL;
+    if (context_code == FOR_INPUT) {
+	modkey = LYKeyForEditAction(LYE_LKCMD);
+	if (modkey < 0)
+	    return NULL;
+	return fmt_keys(modkey, lkc);
+    } else {
+	return fmt_keys(lkc, -1);
+    }
+}
+
+/*
+ * This function returns TRUE if the ch is non-alphanumeric and maps to KeyName
+ * (LYK_foo in the keymap[] array).  - FM
+ */
+BOOLEAN LYisNonAlnumKeyname(int ch,
+			    int KeyName)
+{
+    BOOLEAN result = FALSE;
+
+    if (ch >= 0 && (ch + 1) < KEYMAP_SIZE) {
+	if ((ch <= 0
+	     || StrChr("0123456789"
+		       "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		       "abcdefghijklmnopqrstuvwxyz", ch) == NULL)
+	    && (keymap[ch + 1] == KeyName)) {
+	    result = TRUE;
+	}
+    }
+    return result;
+}
+
+/*
+ * This function returns the (int)ch mapped to the LYK_foo value passed to it
+ * as an argument.  - FM
+ */
+int LYReverseKeymap(int KeyName)
+{
+    int i;
+    int result = -1;
+
+    for (i = 1; i < KEYMAP_SIZE; i++) {
+	if (keymap[i] == KeyName) {
+	    result = (i - 1);
+	    break;
+	}
+    }
+
+    return result;
+}
+
+#ifdef EXP_KEYBOARD_LAYOUT
+BOOLEAN LYSetKbLayout(char *layout_id)
+{
+    int i;
+    BOOLEAN result = FALSE;
+
+    for (i = 0; i < (int) TABLESIZE(LYKbLayoutNames) - 1; i++) {
+	if (!strcasecomp(LYKbLayoutNames[i], layout_id)) {
+	    current_layout = i;
+	    result = TRUE;
+	    break;
+	}
+    }
+
+    return result;
+}
+#endif
+
+#if 0
+/*
+ * This function was useful in converting the hand-crafted key-bindings to
+ * their reusable form in 2.8.8 -TD
+ */
+static void checkKeyMap(LYEditConfig * table)
+{
+    unsigned j, k;
+    char comment[80];
+    int first = TRUE;
+
+    for (j = 0; table->init[j].code >= 0; ++j) {
+	int code = table->init[j].code;
+
+	if (table->init[j].edit != table->used[code]) {
+	    if (first) {
+		printf("TABLE %s\n", table->name);
+		first = FALSE;
+	    }
+	    printf("%u: init %d vs used %d\n",
+		   j,
+		   table->init[j].edit,
+		   table->used[code]);
+	}
+    }
+    for (j = 0; j < KEYMAP_SIZE; ++j) {
+	int code = (int) j;
+	BOOL found = FALSE;
+
+	for (k = 0; table->init[k].code >= 0; ++k) {
+	    if (code == table->init[k].code) {
+		found = TRUE;
+		break;
+	    }
+	}
+	if (!found) {
+	    if (table->used[j] != 0) {
+		unsigned used = (j - 1);
+		int edit = table->used[j];
+		const char *prefix = "LYK_";
+		const char *name = 0;
+		Kcmd *cmd = LYKeycodeToKcmd(edit + 0);
+
+		if (cmd != 0) {
+		    name = cmd->name;
+		}
+
+		if (used < 32) {
+		    char temp[80];
+		    const char *what = 0;
+
+		    switch (used) {
+		    case 0:
+			what = "nul";
+			break;
+		    case 17:
+			what = "XON";
+			break;
+		    case 19:
+			what = "XOFF";
+			break;
+		    default:
+			sprintf(temp, "^%c", used + 'A');
+			what = temp;
+			break;
+		    }
+		    sprintf(comment, "\t/* %s */", what);
+		} else if (used < 127) {
+		    sprintf(comment, "\t/* %c */", used);
+		} else if (used == 127) {
+		    strcpy(comment, "\t/* DEL */");
+		} else {
+		    const char *what = LYextraKeysToName(used);
+
+		    if (non_empty(what)) {
+			sprintf(comment, "\t/* %s%s */", what,
+				((StrChr(what, '_') != 0)
+				 ? ""
+				 : "_KEY"));
+		    } else {
+			strcpy(comment, "");
+		    }
+		}
+		if (name == 0) {
+		    name = "XXX";
+		}
+		if (first) {
+		    printf("TABLE %s\n", table->name);
+		    first = FALSE;
+		}
+		printf("\t{ %d, %s%s },%s\n", code, prefix, name, comment);
+	    }
+	}
+    }
+}
+
+#else
+#define checkKeyMap(table)	/* nothing */
+#endif
+
+static void initKeyMap(LYEditConfig * table)
+{
+    unsigned k;
+    LYEditCode *used = table->used;
+    const LYEditInit *init = table->init;
+
+    memset(used, 0, sizeof(LYEditCode) * KEYMAP_SIZE);
+
+    for (k = 0; init[k].code >= 0; ++k) {
+	int code = init[k].code;
+
+	used[code] = init[k].edit;
+    }
+    checkKeyMap(table);
+}
+
+/*
+ * Reset the key bindings to their default values.
+ */
+void LYinitKeymap(void)
+{
+    CTRACE((tfp, "LYinitKeymap\n"));
+    initKeyMap(&myKeymapData);
+#if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE)
+    initKeyMap(&myOverrideData);
+#endif
+}