texinfmt.el: @verb support request

texinfmt.el: @verb support request

[TAKAHASHI Kaoru]

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Will you support @verb in texinfo formatter?

ChangeLog & patch attached.  I think this patch's docstring and
error message is no-good.  Please fix.

For example:
     How many @verb{|@|}-escapes does one need to print this
     @verb{.@a @b @c.} string or @verb{+@'e?`!`{}\+} this?

produces

     How many @-escapes does one need to print this
     @a @b @c string or these @'e?`{}!`\ this?

Regards,

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2002-12-03  TAKAHASHI Kaoru  <kaoru@kaisei.org>

	* textmodes/texinfmt.el (texinfo-format-verb): New function.


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Index: texinfmt.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/textmodes/texinfmt.el,v
retrieving revision 1.62
diff -u -c -r1.62 texinfmt.el
*** texinfmt.el	28 Nov 2002 14:12:31 -0000	1.62
--- texinfmt.el	3 Dec 2002 12:42:44 -0000
***************
*** 2412,2417 ****
--- 2412,2432 ----
    (insert (texinfo-parse-arg-discard))
    (goto-char texinfo-command-start))
  
+ ;; @verb{<char>TEXT<char>} (makeinfo 4.1 or later)
+ (put 'verb 'texinfo-format 'texinfo-format-verb)
+ (defun texinfo-format-verb ()
+   "Format @verb{<char>TEXT<char>}.  Output TEXT verbatim."
+   (let ((delimiter (buffer-substring-no-properties
+ 		    (1+ texinfo-command-end) (+ 2 texinfo-command-end))))
+     (unless (looking-at "{")
+       (error "Not found @varb start brace"))
+     (delete-region texinfo-command-start (+ 2 texinfo-command-end))
+     (search-forward  delimiter))
+   (delete-backward-char 1)
+   (unless (looking-at "}")
+     (error "Not found @varb end brace"))
+   (delete-char 1))
+ 
  (put 'bullet 'texinfo-format 'texinfo-format-bullet)
  (defun texinfo-format-bullet ()
    "Insert an asterisk.