bug#9008: 23.2; Sluggishness when editing large latex files containing CJK text using preview-latex, due to slow buf_bytepos_to_charpos

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: r6144 <rainy6144@gmail.com>
>> Date: Wed, 06 Jul 2011 21:00:53 +0800
>> 
>> I'm using auctex to edit a large latex file (about 400kB in size)
>> containing Chinese text as well as about 6000 equations previewed with
>> preview-latex.  Emacs feels a bit sluggish in this mode: individual
>> cursor movements are not delayed much, but when holding down the right
>> arrow key, the cursor does not keep moving but only shows up in the new
>> position after I release the key, while fill-paragraph can take more
>> than a second.  The CPU usage is high during these operations, even
>> though I have a modern Core 2 Quad CPU.
>
> Do you still see this problem with the current Emacs?

More information was requested, but no response was given within a few
months, so I'm closing this bug report.  If the problem still exists,
please reopen this bug report.

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   bloggy blog: http://lars.ingebrigtsen.no