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Document that [:cntrl:] does not match DEL (Bug#34391)

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* doc/lispref/searching.texi (Character Classes):
* lisp/emacs-lisp/rx.el (rx):
Document that [:cntrl:] excludes DEL.
* test/src/regex-emacs-tests.el (regex-tests-PTESTS-whitelist):
Swap misplaced comments and fix wrong code for DEL.
This commit is contained in:
Mattias Engdegård 2019-02-10 10:39:00 +01:00
parent 459869a528
commit c8c6ad2429
3 changed files with 5 additions and 5 deletions
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2
doc/lispref/searching.texi
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@ -559,7 +559,7 @@ tabs, and other characters whose Unicode @samp{general-category}
property (@pxref{Character Properties}) indicates they are spacing
separators.
@item [:cntrl:]
This matches any @acronym{ASCII} control character.
This matches any character whose code is in the range 0--31.
@item [:digit:]
This matches @samp{0} through @samp{9}. Thus, @samp{[-+[:digit:]]}
matches any digit, as well as @samp{+} and @samp{-}.

2
lisp/emacs-lisp/rx.el
View file

@ -964,7 +964,7 @@ CHAR
matches 0 through 9.
`control', `cntrl'
matches ASCII control characters.
matches any character whose code is in the range 0-31.
`hex-digit', `hex', `xdigit'
matches 0 through 9, a through f and A through F.

6
test/src/regex-emacs-tests.el
View file

@ -555,11 +555,11 @@ differences in behavior.")
(defconst regex-tests-PTESTS-whitelist
[
;; emacs doesn't barf on weird ranges such as [b-a], but simply
;; fails to match
;; emacs doesn't see DEL (0x7f) as a [:cntrl:] character
138
;; emacs doesn't see DEL (0x78) as a [:cntrl:] character
;; emacs doesn't barf on weird ranges such as [b-a], but simply
;; fails to match
168
]
"Line numbers in the PTESTS test that should be skipped. These