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To: XEmacs Beta <xemacs-beta@xemacs.org>
Subject: [Success] Debian GNU/Linux 2.0.30 libc6 XFree 3.3
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From: karlheg@inetarena.com (Karl M. Hegbloom)
Date: 17 Aug 1997 03:29:11 -0700
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 `make autoloads' is fixed.  Thank you; it didn't work last time around.

 I am running with the regexp patches that I have mentioned before---
the ones posted to USENET by Michael R Cook <mcook@cognex.com>.


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Here's a patch to implement the following changes in the Emacs regex engine:

 - Shy groups.  "\\(?:a\\)" is like "\\(a\\)" except that the matched string
   is not registered (i.e., grouping without backreferencing).
 - All other "\\(?x...\\)" constructs are rejected (reserved for future
   extensions).
 - Minimal matching. "a*?" and "a+?" and "a??" perform shortest-possible
   matching (compare with "a*" and "a+" and "a?", respectively, which perform
   longest-possible matching).
 - Other juxtaposing of * + and ? is rejected.  (Previously, "a*?" and "a+?"
   were the same as "a*"; and "a??" was the same as "a?".)
 - Intervals. "a\\{3,5\\}" matches 3 or 5 a's.  (Without this patch, the regex
   engine already implements intervals, but this functionality is not enabled
   for Emacs (the regex engine is used in tools other than Emacs).)

This patch is under consideration for inclusion in the Emacs distribution.
Rms has given a preliminary nod to the syntax changes.

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 I've snagged `regexp-opt.el' from a GNU Emacs-20 beta, and modified
it slightly to create regular expressions with shy groups, and to not
count shy groups when it measures the grouping depth of a regexp.

 I'm working on the *lisp-font-lock-keywords* a little, utilizing the
modified `regexp-opt.el' and some of the other regexp syntax provided
by the patch.  I want to make it easier to add things to the list, and
make it so things can be changed during run-time without having to
restart XEmacs.  I've added some highlighting in lisp comments, of `;;
Notes:', `;; XEmacs change:', `;; Fixme:', `;; ####' and the
;;;###autoload highlighting like Emacs-20 does.  So far it is working
very well...  Someone with more lisp experience could improve it, I
feel certain.

 My question is: Can we get those regular expression patches into
XEmacs-20.3?  It's working well; I've not had anything break because
of it, since Lars fixed the regexp's that blonked in Gnus a long time
back.

 It is very useful to have shy groups, and minimal matching.  And I
bet that perlisms such as negated regexps, and lookahead would prove
useful as well.  I'd write them if I had any clue how...  ;-) (fixme)


uname -a: Linux bittersweet 2.0.30 #12 Sat Aug 16 01:55:08 PDT 1997 i586 unknown

./configure  '--compiler=pgcc' '--cflags=-g -O3 -mpentium' '--with-gcc' '--with-gnu-make' '--const-is-losing=no' '--with-dialogs=athena3d' '--with-clash-detection' '--with-session=no'


Configured for `i586-pc-linux'.

  Where should the build process find the source code?    /usr/local/src/xemacs-20
  What installation prefix should install use?		  /usr/local
  Where should XEmacs look for packages?		  
  What operating system and machine description files should XEmacs use?
        `s/linux.h' and `m/intel386.h'
  What compiler should XEmacs be built with?              pgcc -g -O3 -mpentium
  Should XEmacs use the GNU version of malloc?            yes
  Should XEmacs use the relocating allocator for buffers? yes
  What window system should XEmacs use?                   x11
  Where do we find X Windows header files?                /usr/X11R6/include
  Where do we find X Windows libraries?                   /usr/X11R6/lib
  Compiling in support for XAUTH.
  Compiling in support for GIF image conversion.
  Compiling in support for XPM images.
  Compiling in support for X-Face message headers.
  Compiling in support for JPEG image conversion.
  Compiling in support for PNG image conversion.
  Compiling in native sound support.
  Compiling in support for Berkeley DB.
  Compiling in support for ncurses.
  Compiling in support for GPM (General Purpose Mouse).
  Using Lucid menubars.
  Using Lucid scrollbars.
  Using Athena-3d dialog boxes.
  movemail will use "dot-locking" for locking mail spool files.
  WARNING: ---------------------------------------------------------
  WARNING: Compiling in support for runtime error checking.
  WARNING: XEmacs will run noticeably more slowly as a result.
  WARNING: Error checking is on by default for XEmacs beta releases.
  WARNING: ---------------------------------------------------------

(insert (format "\n\n%s" (exec-to-string "ldd $(which xemacs)")))

	libXaw.so.6 => /usr/X11R6/lib/Xaw3d/libXaw.so.6 (0x40010000)
	libpng.so.1 => /usr/lib/libpng.so.1 (0x40063000)
	libjpeg.so.6a => /usr/lib/libjpeg.so.6a (0x40079000)
	libcompface.so => /usr/lib/libcompface.so (0x40098000)
	libXpm.so.4 => /usr/X11R6/lib/libXpm.so.4 (0x400a3000)
	libXmu.so.6 => /usr/X11R6/lib/libXmu.so.6 (0x400b0000)
	libXt.so.6 => /usr/X11R6/lib/libXt.so.6 (0x400c2000)
	libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40106000)
	libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x40111000)
	libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x401af000)
	libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x401b8000)
	libdb.so.2 => /lib/libdb.so.2 (0x401cd000)
	libgpm.so.1 => /usr/lib/libgpm.so.1 (0x401db000)
	libncurses.so.3.0 => /lib/libncurses.so.3.0 (0x401e0000)
	libm.so.6 => /lib/libm.so.6 (0x4021d000)
	libc.so.6 => /lib/libc.so.6 (0x40236000)
	/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

-- 
mailto:karlheg@inetarena.com (Karl M. Hegbloom)
http://www.inetarena.com/~karlheg
Portland, OR  USA
Debian GNU 1.3.1  Linux 2.0.30+parport AMD K5 PR-133

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