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[Emacs-diffs] emacs-25 4ff4b66: Allow selection of font for symbols as i
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] emacs-25 4ff4b66: Allow selection of font for symbols as in Emacs 24.x |
Date: |
Sat, 8 Oct 2016 19:04:50 +0000 (UTC) |
branch: emacs-25
commit 4ff4b66df8da175d8df292d12a30ab50285b6917
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>
Allow selection of font for symbols as in Emacs 24.x
* src/fontset.c (syms_of_fontset) <use-default-font-for-symbols>:
New boolean variable.
(face_for_char): Use it to fall back to pre-Emacs 25.1 behavior
when selecting fonts for displaying symbol and punctuation
characters. (Bug#24644)
* etc/NEWS: Mention the new variable.
---
etc/NEWS | 15 +++++++++++++--
src/fontset.c | 13 ++++++++++++-
2 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/etc/NEWS b/etc/NEWS
index 274226b..8c27289 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -24,8 +24,19 @@ This is a bug-fix release with (almost) no new features.
`find-function-after-hook'.
+++
-*** New basic face 'fixed-pitch-serif', for a fixed-width font with serifs.
-The Info-quoted and tex-verbatim faces now default to inheriting from it.
+** New basic face 'fixed-pitch-serif', for a fixed-width font with serifs.
+The Info-quoted and tex-verbatim faces now default to inheriting from
+it.
+
+---
+** New variable 'use-default-font-for-symbols' for backward compatibility.
+This variable allows to get back pre-Emacs 25 behavior whereby the
+font for displaying symbol and punctuation characters was always
+selected according to your fontset setup. Emacs 25 by default tries
+to use the default face's font for such characters, disregarding the
+fontsets if the default font supports these characters. Set this
+variable to nil to disable the new behavior and get back the old
+behavior.
* Installation Changes in Emacs 25.1
diff --git a/src/fontset.c b/src/fontset.c
index dc037a8..74e7df5 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -883,7 +883,8 @@ face_for_char (struct frame *f, struct face *face, int c,
if (ASCII_CHAR_P (c) || CHAR_BYTE8_P (c))
return face->ascii_face->id;
- if (c > 0 && EQ (CHAR_TABLE_REF (Vchar_script_table, c), Qsymbol))
+ if (use_default_font_for_symbols /* let the user disable this feature */
+ && c > 0 && EQ (CHAR_TABLE_REF (Vchar_script_table, c), Qsymbol))
{
/* Fonts often have characters for punctuation and other
symbols, even if they don't match the 'symbol' script. So
@@ -2112,6 +2113,16 @@ This affects how a composite character which contains
such a character is displayed on screen. */);
Vuse_default_ascent = Qnil;
+ DEFVAR_BOOL ("use-default-font-for-symbols", use_default_font_for_symbols,
+ doc: /*
+If non-nil, use the default face's font for symbols and punctuation.
+
+By default, Emacs will try to use the default face's font for
+displaying symbol and punctuation characters, disregarding the
+fontsets, if the default font can display the character.
+Set this to nil to make Emacs honor the fontsets instead. */);
+ use_default_font_for_symbols = 1;
+
DEFVAR_LISP ("ignore-relative-composition", Vignore_relative_composition,
doc: /*
Char table of characters which are not composed relatively.
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