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infinite loop in help-make-xrefs (help.el)

From: Chris Mooooore
Subject: infinite loop in help-make-xrefs (help.el)
Date: Sat, 19 Apr 2003 22:27:17 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4a) Gecko/20030401

In GNU Emacs 21.2.1 (i386-msvc-nt5.1.2600)
 of 2002-03-19 on buffy
configured using `configure --with-msvc (12.00)'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENG
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

If you define a function which starts like this:

(defun my-function ()
  "This is my function.

And this is dired-mode-map:

  (message "hello"))

ie. with a \\{some-map} in the last line of the documentation, then
trying to describe-function on that function causes Emacs to enter an
infinite loop in help-make-xrefs, in help.el.

The loop condition is based on (not (looking-at "\n\\s-*\n")) - ie. it
expects the keymap to be followed by a line of just whitespace,
followed by a newline.  If the keymap is the last thing in the
documentation of the function then the looking-at is never satisfied.


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