snapshot of project "lynx", label v2-8-8dev_10b

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-=======================================================================
----      Release of Lynx2-6FM as Lynx v2.7 (February 15, 1997)      ---
-=======================================================================
-1997-02-15
-* Release of Lynx2-6FM as Lynx v2.7. - FM
-* Included -Ae when compiling the Implementation modules for the snake3
-  target. - FM
-1997-02-14
-* Mods to issue an alert about a BASE tag not having an absolute URL only
-  once per document. - FM
-* Added code for appending LYNX_SIG_FILE to email messages as well as to
-  news posts or followups, and updated the Users Guide accordingly. - FM
-* Updated build-slang.com. - FM
-1997-02-12
-* Fixed some problems in the code for using a hookless Lynx image with
-  snew_proxy, snewspost_proxy, and snewsreply_proxy set to
-  "nntp://host:port/" so that it uses Tom Zerucha's (tz@execpc.com)
-  daemon which handles the SSL communications on behalf of the Lynx
-  image.  Also polished up all of the news gateway code, and added
-  comments for the benefit of new developers. - FM
-* Added an ECGOTO command mapped by default to 'G', complementary to the
-  GOTO command (default 'g'), to edit the current document's URL and then
-  go to it.  Using case-sensitive letters with different command definitions
-  ensures that both will appear with their brief explanations in the 'k'eymap
-  listing.  For ECGOTO, Control-G, failure to modify the URL, or complete
-  deletion of it, all act as a cancel.  If the current document has POST
-  content associated with it, a warning will be issued before offering the
-  URL to edit.  The POST content is retained if the modification merely
-  involves a change in fragment for the URL.  Otherwise, the modified URL
-  (if it has an http scheme) will be submitted with method GET and no POST
-  content.  If the ECGOTO command is not cancelled, or not simply a fragment
-  change, the modified URL will be added to the 'g'oto buffer, and can be
-  re-accessed, to edit further, via the GOTO command.  See the updated online
-  'h'elp for more information. - FM
-1997-02-10
-* Amplified the comments concerning deletion of prototypes for MultiNet
-  socket library functions as they get added to MultiNet's own headers
-  in newer versions of it's socket library. - FM
-* Added a missing fclose() in post_article() of HTNews.c, and added code
-  to delete the temporary file there, so it's gone as soon as we're done
-  with it. - FM
-02-09-97
-* Enhanced the Set-Cookie header parser to handle values that contain
-  spaces but were not enclosed in double-quotes, and to use such
-  quoting or not when sending Cookie headers, depending on whether
-  this was done in the Set-Cookie header.  Also added anti-crash
-  checks should the parser's efforts to handle both historical (a.k.a.
-  original Netscape) cookies and Version 1 cookies go awry (does deal
-  successfully now with all the cookies which had been reported as
-  problematic). - FM
-* Mods of the screen handling in LYNews.c for cleaning up any screen
-  trash created by the external editor. - FM
-* Tracked down an uninitialized pointer in LYNews.c that probably was
-  behind reports of crashes when posting to newsgroups. - FM
-* Plugged a memory leak in LYMainLoop.c. - TJC
-* Added posting ability to the news gateway, in lieu of the previous,
-  variably reliable, use of a spawned news client for posting.  The
-  news, nntp, and snews URLs now all return links for posting new
-  messages or followups (replies) to the server from which a newsgroup
-  listing or news article was retrieved, unless the server indicates
-  that it does not accept posts from the site at which Lynx is running.
-  See the updated INSTALLATION, userdefs.h, and lynx.cfg files, the
-  "USENET News posting" section of the Users Guide, and "Supported URLs"
-  page of the online 'h'elp for more information.
-* Fixed typo for e-dieresis in the KOI8-R charset. - AJF
-* Replaced an inappropriate _user_message() call in HTConfirmCookie()
-  of HTAlert.c with a _statusline() call.  The original code could
-  cause crashes with some cookie values. - FM
-02-06-97
-* Added support for both hex escaped and unescaped white characters
-  in lynxexec and lynxprog URLs.  Normally, Lynx strips out any white
-  characters that are not hex escaped in attribute values that are
-  to be resolved as URLs, on the assumption that they were derived
-  from wrapping in the markup.  Any serial white characters in
-  lynxexec and lynxprog URLs are condensed to one space (' '), and
-  any lead or trailing white characters are trimmed.  Note that we
-  still require hex escaping of spaces in mailto URLs, e.g,
-  HREF="mailto:lynx-dev@sig.net%20(I%20found%20a%20bug.)". - FM
-* Removed the 'e' switch from tar commands in LYLocal.c for greater
-  portability across all supported Unix flavors. - FM
-* Expanded the information in the PROBLEMS file on how to deal with
-  DECC and MultiNet header incompatibilites for different combinations
-  of the VMS compiler and socket library versions. - FM
-* Added TRACE message of the edit command created for the system()
-  call in LYEdit.c. - LWV
-* Fixed a typo in the userdefs.h comments. - NHE 
-02-04-97
-* Mod in LYMainLoop.c to bypass mailing "not found" messages when
-  MAIL_SYSTEM_ERROR_LOGGING was set TRUE (which it should NOT be,
-  indescriminately) if the document's owner is the lynx-dev list. - FM
-* Added crash protection checks for the actual presence of anchors
-  in all HText structure anchor scans in GridText.c, based on a crash
-  report and suggested fix for one of them from Jonathan Sergent
-  (sergent@hillres55-129.cc.purdue.edu). - FM
-* Eliminated the typecast for ttytype (apparently varies across flavors,
-  and each flavor should know it's own typing; we'll see) in LYCurses.c,
-  and moved VMS system definitions with non-ANSI conformant tokens to a
-  separate header for VMS (LYVMSdef.h). - BL
-* Made the description of HISTORY in the 'k'eymap page more clear that
-  it invokes a list of the "suspended" documents currently held in the
-  history stack. - DC
-* Typo fixes in the help files and lynx.cfg. - LWV
-02-03-97
-* Today's distribution is a pre-release of v2.7.  The projected official
-  release date is 02-15-97.  All header, help and documentation files,
-  and the top directory name, have been updated for v2.7. - FM
-* Made xli, which is freeware, the default XLOADIMAGE_COMMAND for Unix
-  in userdefs.h (still xv on VMS, since its port is freeware), and
-  expanded the "self-documentation" to indicate where to get this
-  freeware.  Added XLOADIMAGE_COMMAND as a configuration symbol in
-  lynx.cfg, so that the compilation default can be overridden on
-  systems which have and prefer xv (all users can override the default
-  mappings for image helper apps via their mailcap files) - FM
-* Added a -base command line switch which can be used with -source or
-  -mime_header to prepend the request URL as a comment, and a BASE tag
-  (which may or may not be the same as the request URL, depending on
-  HTTP/1.1 headers) for text/html documents, equivalent to the prepend
-  kludge for 'd'ownloads (see 09-20-96 mods). - FM
-* Added a check for an "ORGANIZATION" environment variable for inclusion
-  as a news post header on Unix (all system logicals intended for news
-  post headers automatically are included on VMS), and a sleep() before
-  restoring curses mode after the post, to allow reading of any error
-  messages from the news software. - FM
-* Fixed bug which yielded a "[LINK]" instead of "[INLINE]" pseduo-ALT
-  for ALT-less IMG tags used as the content for NAME-ed Anchors without
-  an HREF. - FM
-* Portability tweaks for the mini inews utility. - FM
-* Fixed an old and irrelevant typo in HTWriter.c. - JS
-01-29-97
-* Added more REL tokens that are acceptible for banner links. - FM
-* Ifdef'ed the standard foo_PATH definitions for FreeBSD at the bottom of
-  userdefs.h, based on a patch from AAC, and assuming they also apply for
-  NetBSD, BSDI, and Linux (we'll see 8-). - FM
-* Added make freebsd-slang target. - AAC
-01-28-97
-* Mods of LYSetCookie() to ensure setting of 443 as the default port for
-  https URLs, and force the secure flag on for https URLs whether or not
-  the Set-Cookie header had a secure parameter (too many Version 0
-  cookies don't, when they should). - FM
-* Removed -ltermcap from make for all ncurses targets. - FM
-* Tweaks of make for FreeBSD. - AAC
-* Use SLtt_get_screen_size() instead of the apparently less portable
-  code for slang in size_change() of LYUtils.c. - JED
-01-27-97
-* Made ALT a synonym for VALUE in INPUTs with TYPE="image" to cooperate
-  with well-intentioned (though misinformed) providers who use ALT instead
-  of VALUE for the benefit of text clients or GUIs with image handling
-  turned off. - FM
-* Modified the code for submission of form content with TYPE="image" NAME-ed
-  INPUTs that have a VALUE (or ALT) to "fake" a 0,0 coordinate pair, as when
-  a VALUE (or ALT) is absent, instead of sending a single name=value pair.
-  Requests that using a name=value pair in such cases to indicate that the
-  submission was from a text client or GUI with image handling turned off
-  be included in the HTML specifications keep falling on deaf ears, so we
-  may as well "fake" something closer to what the CGI scripts are expecting,
-  and hope that the script interprets 0,0 as an indicator that the user did
-  not see the image and make a conscious choice within it.
-* Added code to offer a link for the SRC of the image in INPUTs with
-  TYPE="image", distinct from the submit button, when clickable images
-  is on. - FM
-* Updated the "HTML Forms" section of the Users Guide. - FM
-* Fixed a typo in the parsing of Cache-Control MIME headers and META
-  directives. - FM
-01-25-97
-* Updated lynx_help_main.html, about_lynx.html and about_lynx-dev.html. - FM
-* Mods to indicate a toolbar by a '#' preceding its first link when the
-  toolbar is being displayed, and to indicate the availability of a toolbar
-  by a '#' in the top, left-hand corner of the screen when the toolbar is
-  not being displayed.  Added explanation of this in the online 'h'elp. - FM
-* Indicate the 'allow' setting (always, never, or via prompt) for each
-  domain in the Cookie Jar Page. - AK
-* Don't delete cookie-less domains silently during garbage collections if
-  they have their 'allow' set to always or never. - AK & FM
-* Added ability to change the 'allow' settings for domains via the Cookie
-  Jar Page. - FM
-* Added basic protection against "denial of service attacks" by limiting
-  a domain to 50 cookies, the total number of stored cookies to 500, and
-  the maximum processed size of a cookie to 4096 bytes. - FM
-* SGML escape any ampersands or angle brackets in the cookie names, values,
-  parameters, and comments when creating the HTML stream for the Cookie
-  Jar Page, and only include entries for comments if they were present in
-  the servers' Set-Cookie headers. - FM 
-* Updated the online 'h'elp for cookies. - FM
-* Removed -DNO_KEYPAD from all ncurses targets in the Makefile. - FM
-01-23-97
-* Added a "Lynx State Management (Me want cookie!)" section to the Lynx
-  Users Guide, and a cross-linked cookie_help.html file for the Cookie
-  Jar Page. - FM
-* Added prompting for whether to show the body of a 401 status reply or
-  simply return to the current document when an activated link requires
-  authentication via a username and password, and the user has none for
-  that realm, or forgot them. - FM
-01-22-97
-* Added handling of expires attribute values in Version 0 (a.k.a. Netscape)
-  Set-Cookie MIME headers or META tags, and added "Maximum Gobble Date"
-  entries in the Cookie Jar Page which indicate the maximum intended age
-  for each cookie based on the Version 0 expires or Version 1 max-age
-  attribute values. - FM 
-* Added an LYmktime() function in LYUtils.c which accepts strings in the
-  format "Day, dd-Mon-yy hh:mm:ss GMT" or "Day, dd Mon yyyy hh:mm:ss GMT",
-  parses and converts them to time_t format (seconds since 00:00:00 Jan 1
-  1970), and returns the time_t value, or zero if the date is in the
-  past.  It is used for handling Expires headers or attribute values. - FM
-* Added parsing of Cache-Control and Expires MIME headers and META tags
-  sufficient to determine whether the no_cache element should be set in
-  the document's structures. - FM
-* Eliminated the "; $Path=foo; $Domain=blah" attr=value pairs when sending
-  Version 0 (a.k.a. Netscape) cookies in request headers, because too may
-  CGI scripts in the real world have brain-dead parsers and fail when they
-  are included. - FM
-* Added handling of Set-Cookie directives in META tags. - AK
-01-20-97
-* Added confirmation prompts for deletions from the Cookie Jar, expanded
-  the garbage collecting for expired cookies, debugged and implemented the
-  code for security checks based on lead and embedded dots in domain values
-  and host prefixes as described in Section 4.3.2 of the -05 State Management
-  draft, added requirement for https URLs (direct, or via proxy) to include
-  cookies which have the secure flag set in request headers, and extensively
-  annotated the cookie support code for ease of further development. - FM
-* Added ability to set SHOW_CURSOR in lynx.cfg, to override the compilation
-  setting in userdefs.h, and made the -show_cursor command line switch a
-  toggle for the compilation or configuration default. - FM
-01-18-97
-* Bug fixes and memory leak plugs for the cookie support.  Added ability
-  to delete individual cookies or entire domains via the Cookie Jar Page
-  (Ctrl-K).  The domains and cookies are displayed as DL/DT/DD blocks,
-  with links for each domain and cookies name.  The deletions are done
-  by activating those links, which can be numbered, so it should be OK
-  for blind users. - FM
-* Tweaks of the news/nntp/snews gateway. - FM
-* Tweaks of paragraphing if ADDRESS, BANNER, BLOCKQUOTE, BQ, FN, MARQUEE
-  or NOTE blocks are nested (note that nesting does not yield progressive
-  indentations of these blocks). - FM
-01-16-97
-* Added "first pass" cookie support based on patches from Andrew Kuchling
-  (amk@magnet.com).  Still needs work (see comments at top of LYCookie.c).
-  A SET_COOKIE symbol in userdefs.h and lynx.cfg determines whether cookie
-  support will be on or off by default, and the default can be toggled
-  via a -cookies command line switch.  When on, Set-Cookie headers invoke
-  confirmations with possible replies of 'Y'es or 'N'o for that cookie,
-  'A'lways, to accept all cookies from that domain, or ne'V'er to never
-  accept cookies from that domain.  The Cookie Jar can be examined via
-  the COOKIE_JAR keystroke command, mapped by default to Ctrl-K.  The
-  Cookie Jar, and any 'A'lways or ne'V'er settings, do not presently
-  outlast the Lynx session. - FM
-01-14-97
-* Added use of DEFAULT_INDEX_FILE or the URL from an -index=URL command
-  line switch as the the HREF for a banner LINK with REL="Index" and no
-  HREF of its own (see the 01-01-97 mods and the HTML Banners section of
-  the Lynx Users Guide). - FM
-01-13-97
-* Tweaks of the news gateway. - FM
-* Added "Negotiate: trans" header for GET and HEAD requests.  Shouldn't
-  be necessary to get 300 instead of 406 replies when nothing matches
-  the Accept and Accept-foo request headers, but some HTTP/1.1 servers
-  apparently want it when the UA declares itself as HTTP/1.0, as Lynx
-  still does. - FM
-01-12-97
-* More updates of the online 'h'elp files. - FM
-* Simplified the code for checking whether a startfile is a bookmark file
-  entered as a URL instead of invoked via the -book switch.  The previous
-  code was tripping up some versions of the osf and linux compilers. - FM
-01-10-97
-* Replaced the realloc() in split_line() of GridText.c with a calloc(),
-  memcpy(), FREE() sequence for all systems, not just AIX and ultrix,
-  based on analysis of memory wastage by Hans Reiser
-  (dl9rdz@cip.e-technik.uni-erlangen.de). - FM
-* Tweaks of the body= handling in mailto URLs. - FM
-* Tweaks of the ftp gateway. - FM
-* Restored inheritence when resolving versus a base with the same scheme,
-  because the RFC1808 and Fielding Draft behavior of not doing so yields
-  too many failures in the real world (sigh...). - FM
-01-09-97
-* Ugh!  The distribution zip still had the Nov 4, 1996 HTTCP.c instead of
-  the one I modified on Christmas.  No wonder people were still reporting
-  the wrong messaging with -DNSL_FORK.  The right HTTCP.c is in there
-  now. - FM
-* Mods to resolve the HREFs for LINKs with REV="made" or REV="owner"
-  versus the base (a many, many year old bug finally caught 8-). - FM 
-* Added HTAlert messages about BASE HREF vaules, Location header values,
-  and Refresh URL values that were not received as absolute URLs.  We
-  still resolve them versus the RequestURI, since that's invariably
-  what is intended, and thus the optimum "error recovery" strategy. - FM
-* Added handling of cc= and body= fields in ?searchpart strings of mailto
-  URLs.  They are described in draft-hoffman-mailto-url-00.txt recently
-  posted to the URI-WG list.  This draft ignores the objections which have
-  been filed about changing the semantics of mailto and breaking clients
-  which are fully conformant with the mailto specs in RFC1738, instead of
-  using a new scheme name (e.g., smtp:) for URLs with mail headers, and it
-  extends the ill-advised use of '&' as puctuation in URLs instead of
-  honoring the previous IETF effort to seek it's replacement by ';' as the
-  URL name=value separator and, in effect, treating them as parameters
-  without need to worry about confusions with entities when the URLs are
-  attribute values in text/html.  However, the chairman of the URI-WG is
-  a co-author of this draft, so, sigh...  As far as this Lynx code is
-  concerned, the mods are more "error recovery" to cope with the sad things
-  which have afflicted the Web during the past 2-3 years, and use of a
-  ?searchpart in mailto URLs is still DISadvised.  Lynx uses only subject=,
-  cc=, and body= fields from a ?searchpart, using it's own "safe" rules for
-  other mail headers, and ignoring ones other than those three in the
-  ?searchpart as "unsafe".  The cc= values in a ?searchpart are added to
-  the primary address as a comma-separated list for the mail agent, and
-  Lynx's own Cc: is that entered, optionally, by the user.  Any body= field
-  is passed to the external editor, if one has been defined, for review and
-  possible modification.  Otherwise, it is scrolled for review.  The mailing
-  can be cancelled at any time (via Ctrl-G), and via a statusline prompt
-  after everything has been reviewed, if the user judges the body and/or
-  addresses to be unsafe or inappropriate. - FM
-* Moved information and prompt strings in LYMail.c to installer-modifiable
-  symbols in LYMessages_en.h. - FM
-01-07-97
-* Eliminated forced exits for keyboard input buffer overruns on VMS.
-  There's no perfect way to deal with it, but Lynx should recover
-  gracefully most of the time now, and do nothing bad if ungraceful. - FM
-* Added handling of Content-Base and Content-Location MIME headers when
-  'd'ownloading, 'p'rinting, or mailing HTML source.  For this, as
-  for rendered HTML streams (see 01-06-97 mods) the base is determined
-  according to HTTP/1.1 rules:  If a Content-Base header was received,
-  that's the base.  Otherwise, if a Content-Location header was received
-  and it's an absolute URL, that's the base.  Otherwise, the URL used
-  to retrieve the document is the base.  When actually rendering, any
-  BASE tag in the document overrides the base derived from headers.
-  When 'd'ownloading, or outputting HTML source for a 'p'rint option,
-  an X-URL comment with the URL used to retrieve the document and a
-  BASE tag with the header or URL-derived base are inserted at the top
-  of the document.  These should be moved down into the actual HEAD
-  section to make the HTML fully legal, but will work as is if the
-  output is used in conjunction with automatic invocation of Lynx or
-  Netscape as a text/html helper application.  When mailing with an
-  SMTP-conformant mailer, the actual URL used to retrieve the document
-  is indicated via an X-URL header, and for HTML source, a Content-Base
-  and a Content-Location header are included, set to what was actually
-  received by Lynx via MIME headers, or to the retrieval URL. - FM
-01-06-97
-* More updates of the online 'h'elp.  The Visited Links Page ('V'),
-  multi-bookmark file support, REL/REV and META enhancements, and new
-  switches are now all fully documented in the 'h'elp. - FM
-* Added handling of Content-Base and Content-Location MIME headers for
-  rendered HTML streams (still using the document's URL in the 'd'ownload
-  and 'p'rint (and mailing) BASE prepending kludge). - FM
-* Added code to avoid getting tripped up by double-quoted header values
-  in HTMIME.c.  We still need more sophisticated parsing of possibly
-  compound HTTP/1.1 headers, but we don't yet use any of those. - FM
-* Tweak of the efficiency mods for command line parsing in LYMain.c. - FM
-* Simplified some code in LYMainLoop.c that was tripping up the AIX32
-  compiler. - FM
-01-04-97
-* More updates of the online 'h'elp. - FM
-* Added DIRED_MENU support for .tgz files as for .tar.gz files. - FM
-01-03-97
-* Made the command line parsing in LYMain.c more efficient. - FM
-* Added -nopause switch for setting InfoSecs, MessageSecs, and AlertSecs
-  to zero.  Can be used to eliminate forced statusline pauses during
-  traversals. - FM
-* Mods to allow absolute zero quality values for Accept headers, so that
-  in mailcap files users can do things like map image/* to a helper app
-  but exclude particular image subtypes which the app can't handle by
-  assigning q=0 for that subtype.  HTTP/1.1 still specifies 4 significant
-  figures for quality values, so if the value is non-zero, Lynx still
-  forces a minimum of q=0.001. - FM
-* Typo fixes in lynx.cfg. - LWV
-01-02-97
-* Updates of the online 'h'elp files. - FM
-* Made the parsing of lynx.cfg in LYReadCFG.c more efficient. - FM
-01-01-97 -- Happy New Year!
-* More partial/relative HREF resolving enhancements.  Everything is now
-  handled as recommended in Larry Masinter's -03 revision of Roy Fielding's
-  -02 URL ID, except file and ftp URLs (which Lynx handles as described
-  in the online 'h'elp ).  Note, though, that Lynx handles known schemes
-  on a scheme-by-scheme basis, and for schemes that involve substitutions
-  of "/" for a NULL/zero-length path, Lynx inserts the "/" at the resolving
-  stage, so those slashes are present where the Fielding test suite doesn't
-  indicate them, but the actual requests sent to servers (or bad URL message
-  if it's a scheme that requires a host field and doesn't have a default)
-  will be the same.  Note, also, that Lynx sends only the  path<?searchpart>
-  ("absolute path") in it's direct http requests and indicates the host of
-  the URL in the Host:  header, i.e., sends the absolute URL only to proxies.
-  Note, as well, that Lynx treats a zero-length attribute value for an HREF,
-  SRC, etc. as a reference to the currently displayed document, but still
-  uses the base (which might not be the current document's address) as the
-  default for FORMs without an ACTION specified, or ISINDEX tags without
-  an HREF or ACTION specified. - FM
-* Expanded REL/REV handling.  All of the REL values in the (expired) Maloney
-  and Quin draft-ietf-relrev-00.txt ID which make sense for banner links in
-  Lynx have been added.  For REL="Help" without an HREF in the LINK, Lynx
-  uses its helpfile URL.  For REL="Home" without an HREF in the LINK, it
-  uses the configuration startfile or WWW_HOME URL (i.e., not a startfile
-  specified on the command line), or the command line homepage, if it was
-  specified. - FM
-* Added handling of fragments in conjunction with URL expansion guessing for
-  startfile, homepage and 'g'oto strings.  Note that any '#' that is not a
-  fragment delimiter should be hex escaped (%23), and ideally all reserved
-  or unsafe characters will be hex escaped in the user-entered string, though
-  you can get away with not using the hex codes for most others, depending on
-  their positions in the string.  Also note that on VMS if you include the
-  version for local files it must precede the fragment (e.g., foo.html;3#frag)
-  as for parameters. - FM
-12-26-96
-* Mods of HREF resolving to be more consistent with the latest IETF draft
-  (http://www.ics.uci.edu/pub/ietf/uri/draft-fielding-url-syntax-02.txt).
-  Most importantly, lone fragments (HREF="#fragment") are resolved versus
-  the current document's URL, and no longer versus the BASE, if present.
-  There are a few things in the draft which are at odds with what virtually
-  all currently deployed browsers do, and so I stuck with the "deployed"
-  behavior.  Try the tests in  http://www.ics.uci.edu/~fielding/url/  to
-  see where Lynx still differs from the draft. - FM
-* Tweaks of 'z'ap handling. - FM
-12-24-96
-* Tweaks of DIRED_SUPPORT and make for osf. - FM
-12-23-96
-* Added code to check if the startfile has BOOKMARK_TITLE as its title,
-  and if so, and it's in the bookmark file list, add the bookmark element
-  and reload to have it treated as if it were invoked with -book. - FM
-12-21-96
-* Added code for the DIRED_MENU command ('f' and 'F' by default) to invoke
-  CSwing on VMS if CSWING_PATH is defined, as explained in userdefs.h and
-  lynx.cfg . - FM
-12-20-96
-* More improvements in the fatal error and memory exhaustion handling, and
-  plugging of memory leaks. - FM
-* Changed "newline" to "Newline" in LYMainLoop.c to deal with another
-  reported, ill-advised, macro in the AIX 4.2 curses.h. - FM
-* More tweaks of lynx.cfg. - FM
-12-19-96
-* Improvements in the messaging and cleanups for aborts on fatal errors
-  and exits on memory exhaustion. - FM
-* Worked v2.1 of lpansi.c into the distribution. - FM
-* Modified lynx.cfg to reflect the compilation defaults consistently, and
-  changed the compilation default for SUBSTITUTE_UNDERSCORES to FALSE. - FM
-* Changed the "lines" element to "Lines" in the HText structure and the
-  "tab" structure name to "Tab" to cope with some unwise employee reportedly
-  using all lower case "lines" and "tab" strings as macros in the AIX 4.2
-  curses.h. - FM
-12-17-96
-* Restored use of the -l format in the parent links of local Unix directory
-  listings if LONG_LIST is defined, without the v2.6 bug of creating strange,
-  trailing relative or escaped strings.  As far as I can tell from exercizing
-  them, the DIRED_SUPPORT and LONG_LIST handling are now fully debugged
-  (famous last words...  8-). - FM
-12-16-96
-* Don't reiterate parent links in local directory listings.  They are
-  offered only in the top, up to parent link if NO_PARENT_DIR_REFERENCE
-  is not defined. - FM
-* Moved more HTML.c functions to LYCharUtils.c. - FM
-* Tweak of META handling, which was causing crashes (due to freeing an
-  anchor structure prematurely in the 12-13-96 mods for moving HTML.c
-  code to LYCharUtils.c). - FM
-* Block Unix relative path strings in lynxexec and lynxprog URLs. - DT
-12-14-96
-* Added a COLLAPSE_BR_TAGS compilation and configuration symbol for
-  determinining whether Lynx collapses serial BR tags.  Note that the
-  valid way to create extra blank lines in HTML is with PRE blocks that
-  contain only newlines. - FM
-* Fixed a longstanding glitch in the alignment handling which could
-  cause a Paragraph's ALIGN value to cross embebbed blocks, rather than
-  restoring the appropriate alignment for the outer division or block
-  on close of the embedded block. - FM 
-* Modified HR handling so that it inserts the same before and after
-  spacing regardless of whether P end and/or start tags are present
-  before and/or after the HR. - FM
-* Don't insert the bookmark file description and filepath if multiple
-  bookmark file support has been turned off, and this is the default
-  bookmark file (but they will still be inserted if it's not the default,
-  e.g., if it's another bookmark file viewed before the support was
-  turned off, and retrieved as a previous document). - FM
-12-13-96
-* Added parsing of Content-Disposition in META tags and setting the
-  suggested file name if  file; filename=name.suffix  is in the value
-  of the Content attribute and we don't already have that via a server
-  header. - FM
-* Incorporated almost all globals related to stream parsing and page
-  display in HTML.c and GridText.c into the HTML object structure and
-  HText structure to make the parsing and display functions more nearly
-  re-entrant, and moved several functions from HTML.c to LYCharUtils.c
-  to reduce the size of HTML.c. - FM
-* Added -cckr to the libwww Makefile compiler options for SGI. - Carl
-  Buxbaum (crb@world.std.com)
-* Fixed typo in LYMainLoop.c that affected the 'd'ownload command when
-  DIRED_SUPPORT is enabled. - FM
-12-10-96
-* Implemented Safe header handling and prompting about resubmissions of
-  forms with method POST along the lines described in the 24-Nov-96 IETF
-  ID: http://gewis.win.tue.nl/~koen/draft-holtman-http-safe-01.txt
-  Lynx prompts for confirmation whenever it detects that a resubmission
-  would occur, unless the previous reply included "Safe: yes".  Prompts
-  always will occur if the -resubmit_post toggle is on (since resubmission
-  always would occur; not advised).  If not toggled on, resubmissions
-  would occur when no_cache is set or the previous reply has been dumped
-  from the cache.  When using the PREV_DOC command or History Page, if
-  confirmation is not obtained, Lynx will skip to the yet earlier document,
-  or cancel, as appropriate. - FM
-* Added parsing of the Safe header in HTMIME.c, and added a safe element
-  to the anchor and document structures.  Will be FALSE unless a Safe
-  header is received that specifies "YES" or "TRUE" (case-insensitive,
-  only "YES" is in the specs), and applies only to replies from form
-  submissions with the POST method. - FM
-* Cleanup of code in HTAccess.c.  May correct problem of crashes for
-  ISINDEX searches on some systems, though I couldn't reproduce that
-  problem here. - FM
-12-09-96
-* Added an HTSetPresentation() for image/x-xbitmap in HTInit.c when DISPLAY
-  is set. - FM
-* Added an LYOutOfMemory boolean that is set by the outofmem() macro, and
-  code in the Unix FatalProblem() and VMS exit handler for reporting the
-  memory exhaustion instead of the misleading "bug" message when they are
-  invoked due to memory exhaustion.  May not be reported reliably for
-  linux, because for some reason I don't understand, the SIGBUS trapping
-  is ifdef'ed out for linux in LYMain.c. - FM
-* Fixed typo in the new LYAddVisitedLink() in LYHistory.c of yesterday's
-  mods. - KW
-12-08-96
-* Added a VLINKS command, mapped by default to upper case 'V', and code
-  for creating a list of all links 'V'isited during the current Lynx session
-  in order of recency (most recent highest in the list).  Lower case 'v' is
-  still mapped to VIEW_BOOKMARKS.  The VLINKS listing is complementary to
-  the History Page listing, and formatted similarly.  It excludes POST
-  replies, and bookmark, menu and list files (use the History Page or
-  direct keystroke commands for those).  It includes any links that were
-  downloaded, or passed to a helper app (except mailto and newsreply or
-  newsfollowup links, since those require activation in the original
-  document for proper inclusion of it in the email message or news
-  post).  You can print the Visited Links Page, or 'd'ownload it via
-  the History Page. - FM
-* Added reporting of the Charset parameter, if present in a server reply
-  header, META tag, or by virtue of a suffix map, to the showinfo ('=')
-  display. - FM
-12-07-96
-* Added 'p'rint menu support for the History Page. - FM
-* Added a content_length element to the anchor structure and use that,
-  if a Content-Length header has been received, to indicate the total
-  bytes in the statusline when receiving the stream. - FM
-* Include HTTP_ACCEPT_LANGUAGE in the lynxcgi environment. - David Trueman
-  (david@cs.dal.ca).
-12-06-96
-* Many more cleanups and commenting of the code for the benefit of new
-  developers. - FM
-* Tweaks of URL parsing and path simplifications.  Added simplification
-  of the file://localhost paths from startup and 'g'oto guesses. - FM
-* More anti-crash protections for bad HTML in SELECT blocks. - FM
-* Usability enhancement for DIRED's 'F' menu: list number and names of
-  (some of) the tagged items, and provide a way to untag all items. - KW
-* Force screen refresh after a DIRED system command has failed. - KW
-* Modified HTFile.c to handle relative and "Up to parent" links more
-  effectively. - KW
-* Added KEYGEN to the DTD (but no code to do anything with it yet). - FM
-12-05-96
-* Fixed typo in the for-Unix section of LYAddPathToHome() that was added
-  yesterday in LYUtils.c. - James Troup (J.J.Troup@comp.brad.ac.uk)
-12-04-96
-* Numerous cleanups and commenting of the LYfoo.c and LYfoo.h modules,
-  for the benefit of new Lynx developers. - FM
-* More security-related enhancements and polishing up of the multiple
-  bookmark file support. - FM
-* Increased the sizes of MAXHIST and MAXLINKS, added statusline messages
-  should they ever be exceeded (not likely now 8-), and code for freeing
-  all excess pointers on each page draw instead of letting them grow and
-  freeing them on exit (should help for memory-limited systems 8-). - FM
-* Tweaks of DIRED_SUPPORT. - KW
-12-02-96
-* Show nntp server status messages in group listings when not 221 (normal
-  reply to HEAD request), so the user will know that the articles are
-  not available from the server, rather than a bug in Lynx. - FM
-* Tweaks of BASE resolving. - FM
-* Added "trick" to send hostname guesses to stdout when the startfile or
-  homepage are not URLs, as we send to the statusline for 'g'oto guesses
-  (but don't use stdout if we are not interactive and the desired output
-  is going to stdout).  If the DNS lookup stalls, one thus can Control-C
-  out, instead of wondering why Lynx is taking so long to start up. - FM
-* Cleaned up the read_rc() and save_rc() functions in LYrcFile.c. - FM
-* Eliminated all printw() calls to avoid problems with non-ASCII and/or
-  multibyte/CJK characters. - FM
-* Numerous additional bug fixes and enhancements of the multiple bookmark
-  file support. - FM
-* Got rid of the ADVANCED_MULTI_BOOKMARKS symbol now that the choice can
-  be made in the 'o'ptions menu and saved in the .lynxrc file. - FM
-11-30-96
-* Added the ability to set the advanced mode for multiple bookmarks from
-  the options menu and save the defaults in the .lynxrc file - HL
-* Various typo corrections including one which kept LYMainLoop.c from
-  compiling under Unix when DIRED_SUPPORT was defined. - HL
-11-29-96
-* Numerous additional refinements and enhancements of the multiple bookmark
-  support.  Added support for REFRESH and PREV_DOC in the options and bookmark
-  menus, and NEXT_PAGE, PREV_PAGE, and ACTIVATE in the bookmark menus or
-  prompts.  Expanded the anchor and document structures to keep track of
-  different bookmark files in conjunction with VIEW_BOOKMARK, ADD_BOOKMARK,
-  and DEL_BOOKMARK commands, to restore the proper bookmark files on reloads
-  (overt, or because the cache was dumped for subsequent documents accessed
-  via bookmark links), and in conjunction with security-related restrictions.
-  Multiple bookmark support can be regulated via MULTI_BOOKMARK_SUPPORT,
-  BLOCK_MULTI_BOOKMARKS and ADVANCED_MULTI_BOOKMARKS symbols in userdefs.h
-  (or as SITE_DEFS in the Makefile) and lynx.cfg.  The multiple bookmark
-  support can be blocked via a -restrictions=multibook command line switch,
-  which is also set for -anonymous and -validate.  Prompting or display of
-  the bookmark file selection menu occurs only if bookmark files in addition
-  to the startup default have been defined (via the B)ookmark command in the
-  'o'ptions menu, if mu(L)ti bookmarks has been turned on; the setting and
-  definitions can be saved in the .lynxrc file).  Plugged memory leaks in
-  the previous implementation of multiple bookmark support.  Added code for
-  inserting the current description and filepath for each bookmark file
-  dynamically during rendering. - FM
-* Another tweak of attribute order in HTMLDTD.c. - KW
-11-28-96
-* Tweaked multiple bookmark support to fix an error which was causing a
-  crash on some systems and incorrect behavior on others - HL
-* Tweaked editing of multiple bookmark filenames to correct shifting of 
-  screen between multiple pages - HL
-11-26-96
-* Added support for setting the rendering of SELECT OPTIONs as popup menus
-  versus radio button lists via the 'o'ptions menu, and saving the default
-  in the RC file.  Changed NO_SELECT_POPUPS to USE_SELECT_POPUPS in lynx.cfg
-  and userdefs.h.  The -popup switch still overrides everything. - FM
-* Added multiple bookmark support along the lines of the patch from Filip M.
-  Gieszczykiewicz (filipg@paranoia.com), plus numerous enhancements of the
-  'o'ptions menu and bookmark handling. - FM
-* Tweaks of attribute orders in HTMLDTD.h and HTMLDTD.c. - KW
-11-25-96
-* Updated the "Lynx Enhanced Pages" links to the new "Lynx links"
-  (http://www.crl.com/~subir/lynx.html) throughout the help, docs,
-  and code. - FM 
-11-24-96
-* Modified the ENCTYPE="multipart/form-data" handling to indicate the
-  Content-Type with charset parameter, when known, within each part
-  rather than in the main Content-Type header. - FM
-* Corrected typo in HTNews.c. - FM
-* Added support for setting the suggested filename in 'd'ownload and
-  'p'rint options based on the Content-Disposition header if it included
-  the string  file; filename=name.suffix  in its value.  Can be used by
-  CGI scripts to set the suggested filename for saves to disk, downloads
-  or mailings of the script's reply body, so it won't be the last symbolic
-  element in the path field of the form's ACTION (which is normally the
-  the script, itself, or a PATH_INFO element, and thus misleading). - FM 
-* Tweaks of change_sug_filename() in LYUtils.c for better handling of
-  gzipped files on VMS. - FM
-11-23-96
-* Added reporting of the Server, Date and Last-Modified headers, if present
-  in server replies, to the showinfo ('=') display. - FM
-* Added the ability to store the NO_SELECT_POPUPS in the .lynxrc, but the
-  .lynxrc must be edited manually until the options handling is converted
-  to a form-like interface that accommodates more options.  For now, select
-  'O'ptions and write out the options with '>' to create a block in .lynxrc
-  with an explanation of the switch.  The switch is "select_popups" and
-  can have the values of "on", "off", or nothing.  If nothing, the default
-  set in userdefs.h or lynx.cfg will persist.  Otherwise, "on" will set use
-  of popups and "off" will set use of radio buttons as the default.  The
-  startup default always can be toggled via the -popup switch. - HL & FM
-* Corrected a couple of typos in the help files. - HL
-11-22-96
-* Added support for WHEREIS ('/') and 'n'ext searches within SELECT popups.
-  The buffering for 'n'ext is separate from that in the main loop (i.e.,
-  for non-form field document searches), but all previously entered search
-  strings are still combined into a circular buffer and can be accessed via
-  the up-arrow or down-arrow keys at the prompt for a search string.  The
-  searches within popup menus do not yield highlighting of the search string,
-  but simply positioning of the cursor on successive options which contain
-  the search string. - FM
-* Added support for all of the navigation commands within SELECT popup
-  windows, including HOME, END, UP_TWO, DOWN_TWO, UP_HALF and DOWN_HALF,
-  in addition to the single line and paging navigation commands. - FM
-* Added support for the REFRESH command within SELECT popup windows. - FM
-* Tweak of hookless snews handling. - FM
-11-21-96
-* Added handling of forms with ENCTYPE="multipart/form-data".  Note that
-  we still don't support INPUTs with TYPE="file" or TYPE="range", and
-  thus still set the DISABLED attribute for all fields in the form if
-  either of those two TYPEs are present in it. - FM
-* Tweak of -mime_header handling. - FM
-* Typo fixes of comments in HTML.c. - Albert S Woodhull
-  (aswNS@hamp.hampshire.edu)
-11-20-96
-* Added a NO_SELECT_POPUPS compilation (userdefs.h) and configuration
-  (lynx.cfg) definition, normally set FALSE.  If set TRUE, single-choice
-  SELECT blocks (i.e., ones without the MULTIPLE attribute) will be handled
-  as a list of radio buttons instead of via a popup window.  Also added a
-  -popup command line switch for toggling the compilation or configuration
-  setting. - FM
-11-18-96
-* Tweak of LYFindEndOfComment() in LYCharUtils.c. - Brian Borowski
-  (brianb@braille.uwo.ca)
-11-17-96
-* Added links to the lynx-dev hypertext archive at FLORA in the online
-  'h'elp. - FM
-* Tweaks of my_spawn() in LYLocal.c. - KW
-11-16-96
-* Added support for use of the 'd'ownload command on TYPE="submit" and
-  TYPE="image" submit buttons.  You still must use the History Page for
-  TYPE="text" INPUT fields that also act as submit buttons by virtue of
-  being the only non-hidden field, because the 'd'ownload command key
-  could be a text entry into the field, and thus must be treated as
-  such. - FM 
-11-15-96
-* Mods of HTFormat.c and HTTP.c for better handling of unexpected server
-  disconnects. - FM
-11-13-96
-* Wind down the element stack on EOF if any unclosed tags were received. - FM
-* Fixed typos in the HTMLDTD.c BODYTEXT definitions. - FM
-11-10-96
-* More tweaks of hook-less snews handling. - FM
-* Changed the default STARTFILE to http://lynx.browser.org/ and the default
-  HELPFILE to the v2.6 set at NYU in userdefs.h and lynx.cfg. - FM
-* New function HTUnEscapeSome() in HTParse.c for unescaping selected
-  characters in a string.. - KW
-* Numerous changes to make DIRED_SUPPORT work as intended, to use the
-  library's HTList functions and macros for managing the list of tagged
-  file URLs, and to keep track of proper levels of URL escaping so that
-  unusual filenames which contain #% etc. are handled properly.  Can now
-  edit, move, etc. Abc%25252525def.html, #xy#~, etc. - KW
-11-09-96
-* Treat 301 or 302 redirection of a POST as 303 when the Lynx process is
-  non-interactive, rather than rejecting the redirection, since 303 is
-  still most likely what the CGI script actually intends (will still
-  prompt if the process is interactive). - FM
-* Added parsing and trace mode reporting of Content-Disposition headers
-  in HTMIME.c (should be used, someday, to set the suggested file name
-  for disk saves and downloads based on any filename=foo.blah field). - FM
-* Further mods of HTNews.c to facilitate use of Lynx without SSL-hooks
-  in conjunction with an SSL-capable daemon/proxy for snews URLs that
-  returns NNTP streams for Lynx itself to convert into HTML, instead
-  of already converted streams as from a standard proxy. - TZ & FM
-11-08-96
-* Changed information returned by "-version" in LYMain.c to point to
-  lynx.browser.org and added a date to the copyright info. - HL
-11-07-96
-* Mods of HTNews.c to facilitate use of Lynx without SSL-hooks in
-  conjunction with an SSL-capable daemon/proxy for snews URLs. - TZ
-11-05-96
-* Typo fixes in HTMIME.c. - KW
-* Tweak of NSL_FORK mods. - FM
-11-04-96
-* Tweaks of host parsing when a password and/or username is present
-  in override_proxy() of HTAccess.c. - FM
-* Tweaks of the UNDERSCORES and STARS macro setup and useage to avoid
-  possible crashes for FORMs with long values. - FM
-* Worked in Tom Zerucha's (tz@execpc.com) code for fork-based name
-  server lookups that can be 'z'apped.  May not yet be portable to
-  all flavors of Unix.  Add -DNSL_FORK to your SITE_LYDEFS to try
-  it. - FM
-11-02-96
-* Fixed typo in HTAlert.h. - FM
-* Cleaned up HTTCP.c code, simplified some of its spaghetti
-  ifdef'ing, and worked in mods to bypass connection confirmations
-  when Lynx is SOCKSified and the socks_flag is set. - FM
-* Added recognition and acceptance of text/x-sgml and text/sgml
-  MIME types (all that I've encountered thus far work fine with
-  Lynx, though it doesn't yet interpret marked sections). - FM
-* Added socket function prototypes for MultiNet in tcp.h. - FM
-* Mods to facilitate application of the SSL patches (after some
-  corrections in the patches to keep HTLoadHTTP re-entrant, make
-  CONNECT work as intended again, and eliminate memory leaks in
-  the SSLeay adaption) - FM
-* Adding info about -DNO_TTYTYPE in top level Makefile. - FM
-* Use clrtoeol() in LYOptions.c to ensure that no terminals which use
-  reverse video for standout() will have trailing reverse fields on
-  edits of option vaules. - DK
-* Offer user@host instead of WebMaster@host for the 'c'omment command
-  if the path for the URL begins with a tilde and there is no
-  LINK REV="made" present. - FM
-* Tweaks of inews Makefile and clientlib.c. - Christopher R. Maden
-  (crm@ebt.com)
-* Check nhist before attempting a DIRED_SUPPORT directory listing in
-  LYShowInfo.c. - KW
-10-21-96
-* Offer WebMaster@host for the 'c'omment command if no LINK REV="made"
-  was present in a text/html document, and save a known owner URL when
-  toggling to source ('\') so that the 'c'omment command can still be
-  used with that owner's (mailto or homepage) URL, but the source can
-  be included in the comment, as would be desireable (instead of a bad
-  rendering) when sending a comment about bad HTML in the document. - FM
-10-20-96
-* Added code for traversing the pseudo-documents created for client-side
-  image MAPs.  See the updated CRAWL.announce for more information. - FM
-10-19-96
-* Added definitions in LYCurses.h relating curses function calls to slang
-  functions or emulations for compatibility with new versions of slang,
-  based on patch from John E. Davis (davis@space.mit.edu). - FM
-* Added unescaping of the full address fields in mailto URLs or ACTIONs,
-  and improved the reliability of the parsing of the subject header from
-  the ?searchpart Netscapism when present. - FM
-* Give user option to use 303-like coversion of POST to GET in confirmation
-  requests for redirection of POSTs, base on patches from Drazen Kacar
-  (dave@fly.cc.fer.hr). - FM
-* Tweaks of POST content submissions in HTTP.c, based on patch from
-  KW. - FM
-* Fixed EOF checks in HTAAFile.c, HTGroup.c and HTPasswd.c, and improved
-  host address parsing in HTTCP.c, based on patches from Larry Schwimmer
-  (schwim@cyclone.stanford.edu) and Klaus Weide (kweide@tezcat.com). - FM
-* Added targets for umaxv and umaxv-slang for Encore's UMAXV - Thanh Ma
-  (tma@encore.com)
-10-16-96
-* Send the rendering of decompressed files to stdout with -dump, don't
-  spawn a viewer under any circumstances if -dump was used instead of
-  -source for Content-Types that are not text/html, and remove the
-  temporary decompressed files before exiting with -dump or -source. - FM
-* Properly handle TYPE="radio" versus TYPE="checkbox" INPUTs with NULL
-  or zero-length VALUEs. - FM
-* Added a continuation line token for the netbsd-ncurses target - HL
-* Fixed a typo in HTMIME.c in the trace output - HL
-* Block predictable buffer overrun in GridText.c if a page has more
-  than MAXLINKS links in it. - FM
-10-01-96
-* Add a Mime-Version header to the other headers in LYPrint.c so that the
-  09-20-96 mods for mailing source do what they were intended to do. :) -
-  Hamish MacEwan (macewanh@diatp.dia.govt.nz)
-09-20-96
-* Add a BASE tag to the tops of HTML source files, a la Netscape, when
-  mailing or downloading, and don't worry, for now, if that creates
-  technically invalid HTML (since Lynx copes with it as of the 09-15-96
-  mods 8-). - FM
-* Include Content-Type, Content-Location and Content-Base headers when
-  mailing HTML source on Unix. - FM
-* Use .txt versus .html suffixes when submitting rendered versus HTML source
-  temporary files to VMS MAIL, so that transports such as PMDF will indicate
-  the appropriate Content-Type. - FM
-09-17-96
-* Handle illegally positioned BASE tags. - FM
-* Tweak of Q nesting level checks. - Pawel Wiecek
-  (coven@i17linuxb.ists.pwr.wroc.pl)
-* Fixed typo in HTMIME.c for parsing of Pragma header. - Wilson Cheung
-  (wcheung@netcom.com)
-* Added parsing of Set-Cookie header in HTMIME.c (see IETF ID
-  http://www.ics.uci.edu/pub/ietf/http/draft-ietf-http-state-mgmt-03.txt
-  for info on how to implement it's use). - FM
-* Fixed typo in LYMainLoop.c for display of error message when up arrow is
-  pressed at the top of a document. - Hiram Lester, Jr. (hwlester@pobox.com)
-09-16-96
-* Use standard ls -l parsing of LIST output for Windows_NT ftp servers in
-  Lynx v2.6 as in v2.5. - FM
-
---- Rename of Lynx2-5FM and release as Lynx2-6  (02-Sep-1996) ---
-    (see CHANGES2-6, CHANGES2-5, CHANGES2-4 and CHANGES2-3)
-==============================================================================