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info-look tweak for AS_foo in the presence of autoconf 2.62
From: |
Thien-Thi Nguyen |
Subject: |
info-look tweak for AS_foo in the presence of autoconf 2.62 |
Date: |
Wed, 30 Jul 2008 19:14:21 +0200 |
Apparently, Autoconf 2.62 includes AS_HELP_STRING (and other AS_*
macros) in info node "(autoconf) M4 Macro Index", so the unqualified
(concat "AS_" item)
prefixing in the
(info-lookup-maybe-add-help :mode 'autoconf-mode ...)
form causes `C-h S' to fail to find it.
Below is a patch that suppresses AS_ prefixing where such would be
redundant. I suppose a failure case would be if Autoconf ever
sported a legitimate AS_AS_* macro, but that's unlikely (i hope).
Here's a change log entry body:
* info-look.el (autoconf-mode :doc-spec): For
"(autoconf)M4 Macro Index", if the item already
begins with "AS_", don't prefix that string again.
I've tested this lightly; seems fine. OK to commit?
thi
____________________________________________________________________
*** info-look.el.~1.64.~ 2008-06-24 09:17:55.000000000 +0200
--- info-look.el 2008-07-30 19:00:52.000000000 +0200
***************
*** 755,766 ****
;; M4 Macro Index entries are without "AS_" prefixes, and
;; mostly without "m4_" prefixes. "dnl" is an exception, not
;; wanting any prefix. So AS_ is added back to upper-case
! ;; names, m4_ to others which don't already an m4_.
("(autoconf)M4 Macro Index"
(lambda (item)
(let ((case-fold-search nil))
(cond ((or (string-equal item "dnl")
! (string-match "^m4_" item))
item)
((string-match "^[A-Z0-9_]+$" item)
(concat "AS_" item))
--- 755,769 ----
;; M4 Macro Index entries are without "AS_" prefixes, and
;; mostly without "m4_" prefixes. "dnl" is an exception, not
;; wanting any prefix. So AS_ is added back to upper-case
! ;; names (if needed), m4_ to others which don't already an m4_.
("(autoconf)M4 Macro Index"
(lambda (item)
(let ((case-fold-search nil))
(cond ((or (string-equal item "dnl")
! (string-match "^m4_" item)
! ;; Autoconf 2.62 index includes some macros
! ;; (e.g., AS_HELP_STRING), so avoid prefixing.
! (string-match "^AS_" item))
item)
((string-match "^[A-Z0-9_]+$" item)
(concat "AS_" item))
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