bug#2013: Bug in Elisp-Doku

bug#2013: Bug in Elisp-Doku

[Michael Krause]

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The documentation for the variable compilation-error-regexp-alist (in
compile.el)
says that the FILE parameter can also be a function that should return
the filename. That is however not possible. Instead, the variable
 compilation-parse-errors-filename-function can be set to a function that
yields the desired effect. It would be nice to have this documented in the
description of the first variable.


In GNU Emacs 22.2.1 (i386-mingw-nt5.1.2600)
 of 2008-03-26 on RELEASE
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'

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: DEU
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  show-paren-mode: t
  iswitchb-mode: t
  encoded-kbd-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x i e l m <return> ( + SPC 3 SPC 3 ) <return> C-h
v c o m p i l e r <tab> <backspace> <tab> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <tab>
<tab> <tab> . - e r r <tab> <tab> <tab> <backspace>
<backspace> <backspace> <backspace> <backspace> e <tab>
<tab> <tab> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> C-g <help-echo> C-x C-f p l s o <tab> <backspace>
q <tab> - k <tab> <return> C-s r e g e x p - a l <help-echo>
<help-echo> C-n C-h v c e m <backspace> <backspace>
o m p i l a t i o n - e r r <tab> <tab> <tab> <tab>
<tab> <tab> <tab> <tab> <tab> <tab> <tab> <tab> <tab>
<tab> <tab> M-x C-g C-h b s c <return> M-x c o m p
i l e <tab> - <tab> <backspace> <backspace> <backspace>
<backspace> <backspace> m o <tab> <return> <backspace>
<backspace> <tab> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <return> C-g M-x
c o m p u <backspace> i <tab> <tab> <tab> C-g C-h m
C-h v c o m p <tab> i l a t i o n - e r r o <tab> -
e r <backspace> <backspace> r e g <tab> <return> <help-echo>
X 5 2 <backspace> <backspace> <backspace> C-x 5 2 <switch-frame>
M-x r e b p <backspace> <backspace> g o r t <backspace>
<backspace> <backspace> <backspace> p o r t - b u <tab>
<backspace> <tab> <backspace> <tab> <return>

Recent messages:
Quit
Mark saved where search started
Quit [2 times]
Loading compile...done
Quit
Making completion list...
Quit
Type C-x 1 to remove help window.
Making completion list...
Loading emacsbug...done

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bug#2013: Bug in Elisp-Doku

[Glenn Morris]

Michael Krause wrote:

> The documentation for the variable compilation-error-regexp-alist
> (in compile.el) says that the FILE parameter can also be a function
> that should return the filename. That is however not possible.

Why do you think it is not possible?

emacs -Q

(setq compilation-error-regexp-alist '(("Error: " foofunc)))

(defun foofunc ()
  (list (expand-file-name "README" data-directory)))

M-x compile echo 'Error: help'

Click on a link in the compilation buffer, warp to README.