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[Emacs-diffs] emacs-24 decb48d: Augment text-mode syntax table for a few
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] emacs-24 decb48d: Augment text-mode syntax table for a few special characters |
Date: |
Fri, 13 Feb 2015 15:46:29 +0000 |
branch: emacs-24
commit decb48d3f73cc7db1604cd1276beef2b09a2f2ac
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>
Augment text-mode syntax table for a few special characters
lips/textmodes/text-mode.el (text-mode-syntax-table): Make some
punctuation character behave as word-constituent, for more
compatibility with Unicode.
---
lisp/ChangeLog | 4 ++++
lisp/textmodes/text-mode.el | 17 +++++++++++++++++
2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 9852068..a7b6b1b 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,9 @@
2015-02-13 Eli Zaretskii <address@hidden>
+ * textmodes/text-mode.el (text-mode-syntax-table): Make some
+ punctuation character behave as word-constituent, for more
+ compatibility with Unicode.
+
* simple.el (transient-mark-mode): Doc fix. (Bug#19841)
2015-02-12 Agustín Martín Domingo <address@hidden>
diff --git a/lisp/textmodes/text-mode.el b/lisp/textmodes/text-mode.el
index 5f2f671..84b578b 100644
--- a/lisp/textmodes/text-mode.el
+++ b/lisp/textmodes/text-mode.el
@@ -45,6 +45,23 @@ Use (derived-mode-p 'text-mode) instead.")
(modify-syntax-entry ?\\ ". " st)
;; We add `p' so that M-c on 'hello' leads to 'Hello' rather than 'hello'.
(modify-syntax-entry ?' "w p" st)
+ ;; UAX #29 says HEBREW PUNCTUATION GERESH behaves like a letter
+ ;; for the purposes of finding word boundaries.
+ (modify-syntax-entry #x5f3 "w ") ; GERESH
+ ;; UAX #29 says HEBREW PUNCTUATION GERSHAYIM should not be a word
+ ;; boundary when surrounded by letters. Our infrastructure for
+ ;; finding a word boundary doesn't support 3-character
+ ;; definitions, so for now simply make this a word-constituent
+ ;; character. This leaves a problem of having GERSHAYIM at the
+ ;; beginning or end of a word, where it should be a boundary;
+ ;; FIXME.
+ (modify-syntax-entry #x5f4 "w ") ; GERSHAYIM
+ ;; These all should not be a word boundary when between letters,
+ ;; according to UAX #29, so they again are prone to the same
+ ;; problem as GERSHAYIM; FIXME.
+ (modify-syntax-entry #xb7 "w ") ; MIDDLE DOT
+ (modify-syntax-entry #x2027 "w ") ; HYPHENATION POINT
+ (modify-syntax-entry #xff1a "w ") ; FULLWIDTH COLON
st)
"Syntax table used while in `text-mode'.")
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