[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#33798: 27.0.50; font-lock-ensure fontifies the whole buffer
|
From: |
Juri Linkov |
|
Subject: |
bug#33798: 27.0.50; font-lock-ensure fontifies the whole buffer |
|
Date: |
Wed, 19 Dec 2018 02:15:14 +0200 |
|
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (x86_64-pc-linux-gnu) |
>> (with-temp-buffer
>> (insert "#include <stdio.h>\n\nmain()\n{\n printf(\"Hello, world\");\n}")
>> (c-mode)
>> (font-lock-ensure 21 (point-max))
>> (get-text-property (point-min) 'face))
>
> Is this testcase representative of what diff-mode does?
I can see the same effect in internal buffers created by diff-mode:
switching to these buffers I see that font-lock-ensure fontifies
the whole buffer, whereas using font-lock-fontify-region I see only
small parts of the source buffer fontified corresponding to diff hunks.