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<a href='https://github.com/akkartik/mu/blob/master/059to_text.mu'>https://github.com/akkartik/mu/blob/master/059to_text.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment"># A couple of variants of 'to-text' that we'll use implicitly in stashes (see</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment"># later layers).</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">#</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment"># Mu code might specialize them to be smarter, but I don't anticipate any need</span>
<span id="L5" class="LineNr"> 5 </span><span class="Comment"># beyond specializing 'to-text' itself.</span>
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="Comment"># 'shorter' variant of to-text, when you want to enable some sort of trimming</span>
<span id="L8" class="LineNr"> 8 </span><span class="Comment"># define it to be identical to 'to-text' by default</span>
<span id="L9" class="LineNr"> 9 </span><span class="muRecipe">def</span> to-text-line x:_elem<span class="muRecipe"> -&gt; </span>y:text [
<span id="L10" class="LineNr">10 </span>  <span class="Constant">local-scope</span>
<span id="L11" class="LineNr">11 </span>  <span class="Constant">load-inputs</span>
<span id="L12" class="LineNr">12 </span>  y <span class="Special">&lt;-</span> to-text x
<span id="L13" class="LineNr">13 </span>]
<span id="L14" class="LineNr">14 </span>
<span id="L15" class="LineNr">15 </span><span class="Comment"># variant for arrays (since we can't pass them around otherwise)</span>
<span id="L16" class="LineNr">16 </span><span class="muRecipe">def</span> <a href='059to_text.mu.html#L16'>array-to-text-line</a> x:&amp;:@:_elem<span class="muRecipe"> -&gt; </span>y:text [
<span id="L17" class="LineNr">17 </span>  <span class="Constant">local-scope</span>
<span id="L18" class="LineNr">18 </span>  <span class="Constant">load-inputs</span>
<span id="L19" class="LineNr">19 </span>  y <span class="Special">&lt;-</span> to-text *x
<span id="L20" class="LineNr">20 </span>]
<span id="L21" class="LineNr">21 </span>
<span id="L22" class="LineNr">22 </span><span class="muScenario">scenario</span> to-text-line-early-warning-for-static-dispatch [
<span id="L23" class="LineNr">23 </span>  x:text <span class="Special">&lt;-</span> to-text-line<span class="Constant"> 34</span>
<span id="L24" class="LineNr">24 </span>  <span class="Comment"># just ensure there were no errors</span>
<span id="L25" class="LineNr">25 </span>]
<span id="L26" class="LineNr">26 </span>
<span id="L27" class="LineNr">27 </span><span class="muScenario">scenario</span> array-to-text-line-early-warning-for-static-dispatch [
<span id="L28" class="LineNr">28 </span>  n:&amp;:@:num <span class="Special">&lt;-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span>
<span id="L29" class="LineNr">29 </span>  x:text <span class="Special">&lt;-</span> <a href='059to_text.mu.html#L16'>array-to-text-line</a> n
<span id="L30" class="LineNr">30 </span>  <span class="Comment"># just ensure there were no errors</span>
<span id="L31" class="LineNr">31 </span>]
<span id="L32" class="LineNr">32 </span>
<span id="L33" class="LineNr">33 </span><span class="Comment"># finally, a specialization for single characters</span>
<span id="L34" class="LineNr">34 </span><span class="muRecipe">def</span> to-text c:char<span class="muRecipe"> -&gt; </span>y:text [
<span id="L35" class="LineNr">35 </span>  <span class="Constant">local-scope</span>
<span id="L36" class="LineNr">36 </span>  <span class="Constant">load-inputs</span>
<span id="L37" class="LineNr">37 </span>  y <span class="Special">&lt;-</span> new <span class="Constant">character:type</span>, <span class="Constant">1/capacity</span>
<span id="L38" class="LineNr">38 </span>  *y <span class="Special">&lt;-</span> put-index *y,<span class="Constant"> 0</span>, c
<span id="L39" class="LineNr">39 </span>]
<span id="L40" class="LineNr">40 </span>
<span id="L41" class="LineNr">41 </span><span class="muScenario">scenario</span> character-to-text [
<span id="L42" class="LineNr">42 </span>  1:char <span class="Special">&lt;-</span> copy <span class="Constant">111/o</span>
<span id="L43" class="LineNr">43 </span>  2:text <span class="Special">&lt;-</span> to-text 1:char
<span id="L44" class="LineNr">44 </span>  3:@:char <span class="Special">&lt;-</span> copy *2:text
<span id="L45" class="LineNr">45 </span>  memory-should-contain [
<span id="L46" class="LineNr">46 </span>    3:array:character <span class="Special">&lt;-</span> <span class="Constant">[o]</span>
<span id="L47" class="LineNr">47 </span>  ]
<span id="L48" class="LineNr">48 </span>]
</pre>
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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-12-01 07:35:21 +0000
span class="k">TP .B listonly hidden links are shown only on \fBL)ist\fP screens and listings generated by .B \-dump or from the \fBP)rint\fP menu, but appear separately at the end of those lists. This is the default behavior. .TP .B ignore hidden links do not appear even in listings. .RE .TP .B \-historical toggles use of '>' or '\-\->' as a terminator for comments. .TP .B \-homepage\fR=\fIURL set homepage separate from start page. .TP .B \-image_links toggles inclusion of links for all images. .TP .B \-index\fR=\fIURL set the default index file to the specified URL. .TP .B \-ismap toggles inclusion of ISMAP links when client-side MAPs are present. .TP .B \-justify do justification of text. .TP .B \-link\fR=\fINUMBER starting count for lnk#.dat files produced by \fB\-crawl\fR. .TP .B \-list_inline for \fB\-dump\fR, show the links inline with the text. .TP .B \-listonly for \fB\-dump\fR, show only the list of links. .TP .B \-localhost disable URLs that point to remote hosts. .TP .B \-locexec enable local program execution from local files only (if \fILynx\fP was compiled with local execution enabled). .TP .B \-lss\fR=\fIFILENAME specify filename containing color-style information. The default is lynx.lss. If you give an empty filename, \fILynx\fP uses a built-in monochrome scheme which imitates the non-color-style configuration. .TP .B \-mime_header prints the MIME header of a fetched document along with its source. .TP .B \-minimal toggles minimal versus valid comment parsing. .TP .B \-nested_tables toggles nested-tables logic (for debugging). .TP .B \-newschunksize\fR=\fINUMBER number of articles in chunked news listings. .TP .B \-newsmaxchunk\fR=\fINUMBER maximum news articles in listings before chunking. .TP .B \-nobold disable bold video-attribute. .TP .B \-nobrowse disable directory browsing. .TP .B \-nocc disable Cc: prompts for self copies of mailings. Note that this does not disable any CCs which are incorporated within a mailto URL or form ACTION. .TP .B \-nocolor force color mode off, overriding terminal capabilities and any -color flags, COLORTERM variable, and saved .lynxrc settings. .TP .B \-noexec disable local program execution. (DEFAULT) .TP .B \-nofilereferer disable transmissions of Referer headers for file URLs. .TP .B \-nolist disable the link list feature in dumps. .TP .B \-nolog disable mailing of error messages to document owners. .TP .B \-nomargins disable left/right margins in the default style sheet. .TP .B \-nomore disable \-more\- string in statusline messages. .TP .B \-nonrestarting_sigwinch This flag is not available on all systems, \fILynx\fP needs to be compiled with HAVE_SIGACTION defined. If available, this flag \fImay\fR cause \fILynx\fP to react more immediately to window changes when run within an \fBxterm\fR. .TP .B \-nonumbers disable link- and field-numbering. This overrides \fB\-number_fields\fR and \fB\-number_links\fR. .TP .B \-nopause disable forced pauses for statusline messages. .TP .B \-noprint disable most print functions. .TP .B \-noredir prevents automatic redirection and prints a message with a link to the new URL. .TP .B \-noreferer disable transmissions of Referer headers. .TP .B \-noreverse disable reverse video-attribute. .TP .B \-nosocks disable SOCKS proxy usage by a SOCKSified \fILynx\fP. .TP .B \-nostatus disable the retrieval status messages. .TP .B \-notitle disable title and blank line from top of page. .TP .B \-nounderline disable underline video-attribute. .TP .B \-number_fields force numbering of links as well as form input fields .TP .B \-number_links force numbering of links. .TP .B \-partial toggles display partial pages while loading. .TP .B \-partial_thres\fR=\fINUMBER number of lines to render before repainting display with partial-display logic .TP .B \-passive-ftp toggles passive ftp connections. .TP .B \-pauth\fR=\fIID\fR:\fIPASSWD set authorization ID and password for a protected proxy server at startup. Be sure to protect any script files which use this switch. .TP .B \-popup toggles handling of single-choice SELECT options via popup windows or as lists of radio buttons. .TP .B \-post_data properly formatted data for a \fIpost\fP form are read in from the standard input and passed to the form. Input is terminated by a line that starts with '\-\-\-'. .IP \fILynx\fP issues an HTTP \fBPOST\fP, sending the form to the path or URL given on the command-line and prints the response of the server. If no path or URL is given, \fILynx\fP sends the form to the start-page. .TP .B \-preparsed show HTML source preparsed and reformatted when used with \fB\-source\fR or in source view. .TP .B \-prettysrc show HTML source view with lexical elements and tags in color. .TP .B \-print enable print functions. (default) .TP .B \-pseudo_inlines toggles pseudo-ALTs for inline images with no ALT string. .TP .B \-raw toggles default setting of 8-bit character translations or CJK mode for the startup character set. .TP .B \-realm restricts access to URLs in the starting realm. .TP .B \-read_timeout\fR=\fIN Sets the read-timeout, where N is given in seconds. .TP .B \-reload flushes the cache on a proxy server (only the first document given on the command-line is affected). .TP .B \-restrictions\fR=\fI[option][,option][,option]... allows a list of services to be disabled selectively. Dashes and underscores in option names can be intermixed. The following list is printed if no options are specified. .RS .TP 3 .B all restricts all options listed below. .TP .B bookmark disallow changing the location of the bookmark file. .TP .B bookmark_exec disallow execution links via the bookmark file. .TP .B change_exec_perms disallow changing the eXecute permission on files (but still allow it for directories) when local file management is enabled. .TP .B default same as command line option \fB\-anonymous\fR. Disables default services for anonymous users. Set to all restricted, except for: inside_telnet, outside_telnet, inside_ftp, outside_ftp, inside_rlogin, outside_rlogin, inside_news, outside_news, telnet_port, jump, mail, print, exec, and goto. The settings for these, as well as additional goto restrictions for specific URL schemes that are also applied, are derived from definitions within userdefs.h. .TP .B dired_support disallow local file management. .TP .B disk_save disallow saving to disk in the download and print menus. .TP .B dotfiles disallow access to, or creation of, hidden (dot) files. .TP .B download disallow some downloaders in the download menu (does not imply disk_save restriction). .TP .B editor disallow external editing. .TP .B exec disable execution scripts. .TP .B exec_frozen disallow the user from changing the local execution option. .TP .B externals disallow some \*(``EXTERNAL\*('' configuration lines if support for passing URLs to external applications (with the EXTERN command) is compiled in. .TP .B file_url disallow using \fBG)oto\fP, served links or bookmarks for file: URLs. .TP .B goto disable the 'g' (goto) command. .TP .B inside_ftp disallow ftps for people coming from inside your domain (utmp required for selectivity). .TP .B inside_news disallow USENET news posting for people coming from inside your domain (utmp required for selectivity). .TP .B inside_rlogin disallow rlogins for people coming from inside your domain (utmp required for selectivity). .TP .B inside_telnet disallow telnets for people coming from inside your domain (utmp required for selectivity). .TP .B jump disable the 'j' (jump) command. .TP .B multibook disallow multiple bookmarks. .TP .B mail disallow mail. .TP .B news_post disallow USENET News posting. .TP .B options_save disallow saving options in .lynxrc. .TP .B outside_ftp disallow ftps for people coming from outside your domain (utmp required for selectivity). .TP .B outside_news disallow USENET news reading and posting for people coming from outside your domain (utmp required for selectivity). This restriction applies to \*(``news\*('', \*(``nntp\*('', \*(``newspost\*('', and \*(``newsreply\*('' URLs, but not to \*(``snews\*('', \*(``snewspost\*('', or \*(``snewsreply\*('' in case they are supported. .TP .B outside_rlogin disallow rlogins for people coming from outside your domain (utmp required for selectivity). .TP .B outside_telnet disallow telnets for people coming from outside your domain (utmp required for selectivity). .TP .B print disallow most print options. .TP .B shell disallow shell escapes and lynxexec or lynxprog \fBG)oto\fP's. .TP .B suspend disallow Unix Control-Z suspends with escape to shell. .TP .B telnet_port disallow specifying a port in telnet \fBG)oto\fP's. .TP .B useragent disallow modifications of the User-Agent header. .RE .TP .B \-resubmit_posts toggles forced resubmissions (no-cache) of forms with method POST when the documents they returned are sought with the PREV_DOC command or from the History List. .TP .B \-rlogin disable recognition of rlogin commands. .TP .B \-scrollbar toggles showing scrollbar. .TP .B \-scrollbar_arrow toggles showing arrows at ends of the scrollbar. .TP .B \-selective require .www_browsable files to browse directories. .TP .B \-session\fR=\fIFILENAME resumes from specified file on startup and saves session to that file on exit. .TP .B \-sessionin\fR=\fIFILENAME resumes session from specified file. .TP .B \-sessionout\fR=\fIFILENAME saves session to specified file. .TP .B \-short_url show very long URLs in the status line with \*(``...\*('' to represent the portion which cannot be displayed. The beginning and end of the URL are displayed, rather than suppressing the end. .TP .B \-show_cfg Print the configuration settings, e.g., as read from \*(``lynx.cfg\*('', and exit. .TP .B \-show_cursor If enabled the cursor will not be hidden in the right hand corner but will instead be positioned at the start of the currently selected link. Show cursor is the default for systems without FANCY_CURSES capabilities. The default configuration can be changed in userdefs.h or lynx.cfg. The command line switch toggles the default. .TP .B \-show_rate If enabled the transfer rate is shown in bytes/second. If disabled, no transfer rate is shown. Use lynx.cfg or the options menu to select KB/second and/or ETA. .TP .B \-soft_dquotes toggles emulation of the old Netscape and Mosaic bug which treated '>' as a co-terminator for double-quotes and tags. .TP .B \-source works the same as dump but outputs HTML source instead of formatted text. For example .sp .RS lynx \-source . >foo.html .RE .IP generates HTML source listing the files in the current directory. Each file is marked by an HREF relative to the parent directory. Add a trailing slash to make the HREF's relative to the current directory: .sp .RS lynx \-source ./ >foo.html .RE .TP .B \-stack_dump disable SIGINT cleanup handler .TP .B \-startfile_ok allow non-http startfile and homepage with \fB\-validate\fR. .TP .B \-stderr When dumping a document using \fB\-dump\fR or \fB\-source\fR, \fILynx\fP normally does not display alert (error) messages that you see on the screen in the status line. Use the \fB\-stderr\fR option to tell \fILynx\fP to write these messages to the standard error. .TP .B \-stdin read the startfile from standard input (UNIX only). .TP .B \-syslog\fR=\fItext information for syslog call. .TP .B \-syslog\-urls log requested URLs with syslog. .TP .B \-tagsoup initialize parser, using Tag Soup DTD rather than SortaSGML. .TP .B \-telnet disable recognition of telnet commands. .TP .B \-term\fR=\fITERM tell \fILynx\fP what terminal type to assume it is talking to. (This may be useful for remote execution, when, for example, \fILynx\fP connects to a remote TCP/IP port that starts a script that, in turn, starts another \fILynx\fP process.) .TP .B \-timeout\fR=\fIN For win32, sets the network read-timeout, where N is given in seconds. .TP .B \-tlog toggles between using a \fILynx\fP Trace Log and stderr for trace output from the session. .TP .B \-tna turns on \*(``Textfields Need Activation\*('' mode. .TP .B \-trace turns on \fILynx\fP trace mode. Destination of trace output depends on \-tlog. .TP .B \-trace_mask\fR=\fIvalue turn on optional traces, which may result in very large trace files. Logically OR the values to combine options: .RS .TP 3 .B 1 SGML character parsing states .TP .B 2 color-style .TP .B 4 TRST (table layout) .TP .B 8 configuration (lynx.cfg, .lynxrc, .lynx-keymaps, mime.types and mailcap contents) .TP .B 16 binary string copy/append, used in form data construction. .TP .B 32 cookies .TP .B 64 character sets .TP .B 128 GridText parsing .TP .B 256 timing .RE .TP .B \-traversal traverse all http links derived from startfile. When used with \fB\-crawl\fR, each link that begins with the same string as startfile is output to a file, intended for indexing. See CRAWL.announce for more information. .TP .B \-trim_input_fields trim input text/textarea fields in forms. .TP .B \-underline_links toggles use of underline/bold attribute for links. .TP .B \-underscore toggles use of _underline_ format in dumps. .TP .B \-unique_urls check for duplicate link numbers in each page and corresponding lists, and reuse the original link number. .TP .B \-use_mouse turn on mouse support, if available. Clicking the left mouse button on a link traverses it. Clicking the right mouse button pops back. Click on the top line to scroll up. Click on the bottom line to scroll down. The first few positions in the top and bottom line may invoke additional functions. \fILynx\fP must be compiled with \fBncurses\fR or \fBslang\fR to support this feature. If \fBncurses\fR is used, clicking the middle mouse button pops up a simple menu. Mouse clicks may only work reliably while \fILynx\fP is idle waiting for input. .TP .B \-useragent=Name set alternate \fILynx\fP User-Agent header. .TP .B \-validate accept only http URLs (for validation). Complete security restrictions also are implemented. .TP .B \-verbose toggle [LINK], [IMAGE] and [INLINE] comments with filenames of these images. .TP .B \-version print version information, and exit. .TP .B \-vikeys enable vi-like key movement. .TP .B \-wdebug enable Waterloo tcp/ip packet debug (print to watt debugfile). This applies only to DOS versions compiled with WATTCP or WATT-32. .TP .B \-width\fR=\fINUMBER number of columns for formatting of dumps, default is 80. This is limited by the number of columns that \fILynx\fP could display, typically 1024 (the \fIMAX_LINE\fP symbol). .TP .B \-with_backspaces emit backspaces in output if \fB\-dump\fR'ing or \fB\-crawl\fR'ing (like 'man' does) .TP .B \-xhtml_parsing tells \fILynx\fP that it can ignore certain tags which have no content in an XHTML 1.0 document. For example \*(``<p/>\*('' will be discarded. .SH COMMANDS .TP 3 .B o Use \fBUp arrow\fR and \fBDown arrow\fR to scroll through hypertext links. .TP .B o \fBRight arrow\fR or \fBReturn\fR will follow a highlighted hypertext link. .TP .B o \fBLeft Arrow\fR will retreat from a link. .TP .B o Type \*(``\fBH\fR\*('' or \*(``\fB?\fR\*('' for online help and descriptions of key-stroke commands. .TP .B o Type \*(``\fBK\fR\*('' for a complete list of the current key-stroke command mappings. .SH ENVIRONMENT In addition to various \*(``standard\*('' environment variables such as \fBHOME\fR, \fBPATH\fR, \fBUSER\fR, \fBDISPLAY\fR, \fBTMPDIR\fR, \fBetc\fR, \fILynx\fR utilizes several \fILynx\fP-specific environment variables, if they exist. .PP Others may be created or modified by \fILynx\fR to pass data to an external program, or for other reasons. These are listed separately below. .PP See also the sections on \fBSIMULATED CGI SUPPORT\fR and \fBNATIVE LANGUAGE SUPPORT\fR, below. .PP Note: Not all environment variables apply to all types of platforms supported by \fILynx\fR, though most do. Feedback on platform dependencies is solicited. .PP Environment Variables Used By \fILynx\fR: .TP 20 .B COLORTERM If set, color capability for the terminal is forced on at startup time. The actual value assigned to the variable is ignored. This variable is only meaningful if \fILynx\fR was built using the \fBslang\fR screen-handling library. .TP .B LYNX_CFG This variable, if set, will override the default location and name of the global configuration file (normally, \fBlynx.cfg\fR) that was defined by the LYNX_CFG_FILE constant in the userdefs.h file, during installation. See the userdefs.h file for more information. .TP .B LYNX_HELPFILE If set, this variable overrides the compiled-in URL and configuration file URL for the \fILynx\fP help file. .TP .B LYNX_LOCALEDIR If set, this variable overrides the compiled-in location of the locale directory which contains native language (NLS) message text. .TP .B LYNX_LSS This variable, if set, specifies the location of the default \fILynx\fR character style sheet file. [Currently only meaningful if \fILynx\fR was built using experimental color style support.] .TP .B LYNX_SAVE_SPACE This variable, if set, will override the default path prefix for files saved to disk that is defined in the \fBlynx.cfg SAVE_SPACE:\fR statement. See the \fBlynx.cfg\fR file for more information. .TP .B LYNX_TEMP_SPACE This variable, if set, will override the default path prefix for temporary files that was defined during installation, as well as any value that may be assigned to the \fBTMPDIR\fR variable. .TP .B MAIL This variable specifies the default inbox \fILynx\fR will check for new mail, if such checking is enabled in the \fBlynx.cfg\fR file. .TP .B NEWS_ORGANIZATION This variable, if set, provides the string used in the \fBOrganization:\fR header of \fBUSENET\fR news postings. It will override the setting of the ORGANIZATION environment variable, if it is also set (and, on \fBUNIX\fR, the contents of an /etc/organization file, if present). .TP .B NNTPSERVER If set, this variable specifies the default NNTP server that will be used for \fBUSENET\fR news reading and posting with \fILynx\fR, via news: URL's. .TP .B ORGANIZATION This variable, if set, provides the string used in the \fBOrganization:\fR header of \fBUSENET\fR news postings. On \fBUNIX\fR, it will override the contents of an /etc/organization file, if present. .TP .B PROTOCOL_proxy \fILynx\fR supports the use of proxy servers that can act as firewall gateways and caching servers. They are preferable to the older gateway servers (see WWW_access_GATEWAY, below). Each protocol used by \fILynx\fR, (http, ftp, gopher, etc), can be mapped separately by setting environment variables of the form PROTOCOL_proxy (literally: http_proxy, ftp_proxy, gopher_proxy, etc), to \*(``http://some.server.dom:port/\*(''. See \fBLynx Users Guide\fR for additional details and examples. .TP .B SSL_CERT_DIR Set to the directory containing trusted certificates. .TP .B SSL_CERT_FILE Set to the full path and filename for your file of trusted certificates. .TP .B WWW_access_GATEWAY \fILynx\fR still supports use of gateway servers, with the servers specified via \*(``WWW_access_GATEWAY\*('' variables (where \*(``access\*('' is lower case and can be \*(``http\*('', \*(``ftp\*('', \*(``gopher\*('' or \*(``wais\*(''), however most gateway servers have been discontinued. Note that you do not include a terminal '/' for gateways, but do for proxies specified by PROTOCOL_proxy environment variables. See \fBLynx Users Guide\fR for details. .TP .B WWW_HOME This variable, if set, will override the default startup URL specified in any of the \fILynx\fR configuration files. .PP Environment Variables \fBSet\fR or \fBModified\fR By \fILynx\fR: .TP 20 .B LYNX_PRINT_DATE This variable is set by the \fILynx\fR p(rint) function, to the \fBDate:\fR string seen in the document's \*(``\fBInformation about\fR\*('' page (= cmd), if any. It is created for use by an external program, as defined in a \fBlynx.cfg PRINTER:\fR definition statement. If the field does not exist for the document, the variable is set to a null string under \fBUNIX\fR, or \*(``No Date\*('' under \fBVMS\fR. .TP .B LYNX_PRINT_LASTMOD This variable is set by the \fILynx\fR p(rint) function, to the \fBLast Mod:\fR string seen in the document's \*(``\fBInformation about\fR\*('' page (= cmd), if any. It is created for use by an external program, as defined in a \fBlynx.cfg PRINTER:\fR definition statement. If the field does not exist for the document, the variable is set to a null string under \fBUNIX\fR, or \*(``No LastMod\*('' under \fBVMS\fR. .TP .B LYNX_PRINT_TITLE This variable is set by the \fILynx\fR p(rint) function, to the \fBLinkname:\fR string seen in the document's \*(``\fBInformation about\fR\*('' page (= cmd), if any. It is created for use by an external program, as defined in a \fBlynx.cfg PRINTER:\fR definition statement. If the field does not exist for the document, the variable is set to a null string under \fBUNIX\fR, or \*(``No Title\*('' under \fBVMS\fR. .TP .B LYNX_PRINT_URL This variable is set by the \fILynx\fR p(rint) function, to the \fBURL:\fR string seen in the document's \*(``\fBInformation about\fR\*('' page (= cmd), if any. It is created for use by an external program, as defined in a \fBlynx.cfg PRINTER:\fR definition statement. If the field does not exist for the document, the variable is set to a null string under \fBUNIX\fR, or \*(``No URL\*('' under \fBVMS\fR. .TP .B LYNX_TRACE If set, causes \fILynx\fR to write a trace file as if the \fB\-trace\fR option were supplied. .TP .B LYNX_TRACE_FILE If set, overrides the compiled-in name of the trace file, which is either \fBLynx.trace\fP or \fBLY\-TRACE.LOG\fP (the latter on the DOS/Windows platforms). The trace file is in either case relative to the home directory. .TP .B LYNX_VERSION This variable is always set by \fILynx\fR, and may be used by an external program to determine if it was invoked by \fILynx\fR. See also the comments in the distribution's sample \fBmailcap\fR file, for notes on usage in such a file. .TP .B TERM Normally, this variable is used by \fILynx\fR to determine the terminal type being used to invoke \fILynx\fR. If, however, it is unset at startup time (or has the value \*(``unknown\*(''), or if the \fB\-term\fR command-line option is used (see \fBOPTIONS\fR section above), \fILynx\fR will set or modify its value to the user specified terminal type (for the \fILynx\fR execution environment). Note: If set/modified by \fILynx\fR, the values of the \fBLINES\fR and/or \fBCOLUMNS\fR environment variables may also be changed. .SH SIMULATED CGI SUPPORT If built with the \fBcgi-links\fR option enabled, \fILynx\fR allows access to a cgi script directly without the need for an http daemon. .PP When executing such \*(``lynxcgi scripts\*('' (if enabled), the following variables may be set for simulating a CGI environment: .PP .B CONTENT_LENGTH .PP .B CONTENT_TYPE .PP .B DOCUMENT_ROOT .PP .B HTTP_ACCEPT_CHARSET .PP .B HTTP_ACCEPT_LANGUAGE .PP .B HTTP_USER_AGENT .PP .B PATH_INFO .PP .B PATH_TRANSLATED .PP .B QUERY_STRING .PP .B REMOTE_ADDR .PP .B REMOTE_HOST .PP .B REQUEST_METHOD .PP .B SERVER_SOFTWARE .PP Other environment variables are not inherited by the script, unless they are provided via a LYNXCGI_ENVIRONMENT statement in the configuration file. See the \fBlynx.cfg\fR file, and the (draft) CGI 1.1 Specification <http://Web.Golux.Com/coar/cgi/draft-coar-cgi-v11-00.txt> for the definition and usage of these variables. .PP The CGI Specification, and other associated documentation, should be consulted for general information on CGI script programming. .SH NATIVE LANGUAGE SUPPORT If configured and installed with \fBNative Language Support\fR, \fILynx\fR will display status and other messages in your local language. See the file \fBABOUT_NLS\fR in the source distribution, or at your local \fBGNU\fR site, for more information about internationalization. .PP The following environment variables may be used to alter default settings: .TP 20 .B LANG This variable, if set, will override the default message language. It is an \fBISO 639\fR two-letter code identifying the language. Language codes are \fBNOT\fR the same as the country codes given in \fBISO 3166\fR. .TP .B LANGUAGE This variable, if set, will override the default message language. This is a \fBGNU\fR extension that has higher priority for setting the message catalog than \fBLANG\fR or \fBLC_ALL\fR. .TP .B LC_ALL and .TP .B LC_MESSAGES These variables, if set, specify the notion of native language formatting style. They are \fBPOSIXly\fR correct. .TP .B LINGUAS This variable, if set prior to configuration, limits the installed languages to specific values. It is a space-separated list of two-letter codes. Currently, it is hard-coded to a wish list. .TP .B NLSPATH This variable, if set, is used as the path prefix for message catalogs. .SH NOTES This is the \fILynx\fP v2.8.7 Release; development is in progress for 2.8.8. .PP If you wish to contribute to the further development of \fILynx\fR, subscribe to our mailing list. Send email to <lynx-dev-request@nongnu.org> with \*(``subscribe lynx-dev\*('' as the only line in the body of your message. .PP Send bug reports, comments, suggestions to <lynx-dev@nongnu.org> after subscribing. .PP Unsubscribe by sending email to <lynx-dev-request@nongnu.org> with \*(``unsubscribe lynx-dev\*('' as the only line in the body of your message. Do not send the unsubscribe message to the lynx-dev list, itself. .SH SEE ALSO .hy 0 \fIcatgets\fR(3), \fIcurses\fR(3), \fIenviron\fR(7), \fIexecve\fR(2), \fIftp\fR(1), \fIgettext\fR(GNU), \fIlocaleconv\fR(3), \fIncurses\fR(3), \fIsetlocale\fR(3), \fIslang\fR(?), \fItermcap\fR(5), \fIterminfo\fR(5), \fIwget\fR(GNU) .hy 1 .PP Note that man page availability and section numbering is somewhat platform dependent, and may vary from the above references. .PP A section shown as (GNU), is intended to denote that the topic may be available via an info page, instead of a man page (i.e., try \*(``info subject\*('', rather than \*(``man subject\*(''). .PP A section shown as (?) denotes that documentation on the topic exists, but is not part of an established documentation retrieval system (see the distribution files associated with the topic, or contact your System Administrator for further information). .SH ACKNOWLEDGMENTS \fILynx\fP has incorporated code from a variety of sources along the way. The earliest versions of \fILynx\fP included code from Earl Fogel of Computing Services at the University of Saskatchewan, who implemented HYPERREZ in the Unix environment. HYPERREZ was developed by Niel Larson of Think.com and served as the model for the early versions of \fILynx\fP. Those versions also incorporated libraries from the Unix Gopher clients developed at the University of Minnesota, and the later versions of \fILynx\fP rely on the WWW client library code developed by Tim Berners-Lee and the WWW community. Also a special thanks to Foteos Macrides who ported much of \fILynx\fP to VMS and did or organized most of its development since the departures of Lou Montulli and Garrett Blythe from the University of Kansas in the summer of 1994 through the release of v2.7.2, and to everyone on the net who has contributed to \fILynx\fP's development either directly (through patches, comments or bug reports) or indirectly (through inspiration and development of other systems). .SH AUTHORS Lou Montulli, Garrett Blythe, Craig Lavender, Michael Grobe, Charles Rezac .br Academic Computing Services .br University of Kansas .br Lawrence, Kansas 66047 .PP Foteos Macrides .br Worcester Foundation for Biomedical Research .br Shrewsbury, Massachusetts 01545 .PP Thomas E. Dickey .br <dickey@invisible-island.net>
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