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backward-sexp and insert-parentheses are lacking for Common Lisp


From: Hannu Koivisto
Subject: backward-sexp and insert-parentheses are lacking for Common Lisp
Date: Tue, 03 Dec 2002 16:59:42 +0200
User-agent: Gnus/5.090007 (Oort Gnus v0.07) Emacs/21.2 (i686-pc-linux-gnu)

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In GNU Emacs 21.2.2 (i686-pc-linux-gnu, X toolkit)
 of 2002-03-26 on lynx
configured using `configure  --prefix=/usr/local/emacs-21 --with-xpm 
--with-jpeg --with-tiff --with-gif'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: address@hidden
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: iso-latin-9
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Assuming that point is right after the closing paren of #(1 2), for
example, backward-sexp moves the point right before the #
character.  It does not, however, move the point before the first
character of the following example Common Lisp forms in a buffer in
lisp-mode: #c(1 2) #2(1 2) #1a(1 2).  It should do that, in my
opinion.  Full description of the syntax pertaining to those
examples can be found at
<http://www.lispworks.com/reference/HyperSpec/Body/02_dh.htm>.

Also, when parens-require-spaces is non-nil, insert-parentheses
should not insert space after #c, #2 and #1a in the given examples.

Considering that lisp-mode may be used to edit something else than
Common Lisp, it would be sufficient at least for me if the proper
behaviour could be achieved with a configuration toggle of some
sort.  Or maybe it would be best to introduce common-lisp-mode?
This way people wouldn't need to always set lisp-indent-function to
common-lisp-indent-function and they could do CL-specific
customizations in that mode's hook, for example.

-- 
Hannu




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