From: Stephen Berman <stephen.berman@gmx.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Stephen Berman <stephen.berman@gmx.net>,
43941@debbugs.gnu.org, jidanni@jidanni.org
Subject: bug#43941: HTML+ mode: dangerous apostrophe after fullwidth parenthesis
Date: Mon, 12 Oct 2020 19:21:08 +0200 [thread overview]
Message-ID: <87d01nz7gb.fsf@rub.de> (raw)
In-Reply-To: <83lfgb2yss.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 12 Oct 2020 19:29:07 +0300")
[-- Attachment #1: Type: text/plain, Size: 1039 bytes --]
On Mon, 12 Oct 2020 19:29:07 +0300 Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Stephen Berman <stephen.berman@gmx.net>
>> Cc: Stephen Berman <stephen.berman@gmx.net>, jidanni@jidanni.org,
>> 43941@debbugs.gnu.org
>> Date: Mon, 12 Oct 2020 18:17:41 +0200
>>
>> >> But the face does not change if `(' is used instead of `(', e.g. copy
>> >> the following two lines into a buffer and type `M-x html-mode' (or `M-x
>> >> mhtml-mode', the face change appears in both):
>> >
>> > So which of them is a bug?
>>
>> In the context of the OP it seems clear that string face is wrong. So
>> in my simpler example, that means the display of the second line
>> containing FULLWIDTH LEFT PARENTHESIS is buggy.
>
> Do the ASCII parentheses have some syntactic significance in this
> context, then? If not, why do the parentheses affect the meaning of
> the apostrophe?
It seems they do have some syntactic significance, since the following
patch prevents string face in the examples with FULLWIDTH LEFT
PARENTHESIS:
[-- Attachment #2: sgml-mode.el patch --]
[-- Type: text/x-patch, Size: 614 bytes --]
diff --git a/lisp/textmodes/sgml-mode.el b/lisp/textmodes/sgml-mode.el
index f3d8695e24..92a2215ed7 100644
--- a/lisp/textmodes/sgml-mode.el
+++ b/lisp/textmodes/sgml-mode.el
@@ -193,7 +193,7 @@ sgml-mode-syntax-table
(defconst sgml-tag-syntax-table
(let ((table (sgml-make-syntax-table sgml-specials)))
- (dolist (char '(?\( ?\) ?\{ ?\} ?\[ ?\] ?$ ?% ?& ?* ?+ ?/))
+ (dolist (char '(?\( ?\) ?\{ ?\} ?\[ ?\] ?$ ?% ?& ?* ?+ ?/ ?())
(modify-syntax-entry char "." table))
(unless (memq ?' sgml-specials)
;; Avoid that skipping a tag backwards skips any "'" prefixing it.
[-- Attachment #3: Type: text/plain, Size: 129 bytes --]
If this is the right approach, then all such characters would have to be
added, or is there a better alternative?
Steve Berman
next prev parent reply other threads:[~2020-10-12 17:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-11 14:30 bug#43941: HTML+ mode: dangerous apostrophe after fullwidth parenthesis 積丹尼 Dan Jacobson
2020-10-12 14:48 ` Eli Zaretskii
2020-10-12 14:52 ` 積丹尼 Dan Jacobson
2020-10-12 15:11 ` Stephen Berman
2020-10-12 15:20 ` Eli Zaretskii
2020-10-12 16:17 ` Stephen Berman
2020-10-12 16:29 ` Eli Zaretskii
2020-10-12 17:21 ` Stephen Berman [this message]
2020-10-12 17:38 ` Eli Zaretskii
2020-10-12 21:26 ` Stephen Berman
2020-10-13 10:37 ` Stephen Berman
2021-06-13 12:21 ` bug#43941: bug#40844: html mode sometimes fooled by apostrophe Lars Ingebrigtsen
2021-06-13 18:14 ` Stephen Berman
2021-06-14 13:00 ` bug#43941: bug#46312: HTML+ mode vs. quotes Lars Ingebrigtsen
2021-06-14 13:02 ` bug#40844: " Eli Zaretskii
2021-06-14 13:52 ` Stephen Berman
2021-06-14 13:58 ` bug#43941: " Lars Ingebrigtsen
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