[Bug 361843] Re: Kile 2.1 LaTeX editor is extremely slow

[bve]

Same here. 
Some things I noticed: 

Kile is only slow in some files. If multiple files are open in different
tabs, I can write fast in some and in some not.

Deleting more and more text in one slow file, I realized that the
responsiveness seems to be different in different paragraphs. I can't
say that for sure, but I have the impression, that very long lines seem
to trigger that effect. If I open a new, empty file, kile is fast. If I
add many short lines, \sections etc., it is still fast, until I add a
very long line (see attached example). Interesting enough, kile is than
only slow, if the long line is shown on my screen. If I scroll up, so
that the long line is out of the window, kile behaves fast. Kile gets
even slower, if the long line gets longer (see second attachment).

If I have less then about 500 lines in one document, kile seems to
become faster (still not really fast, especially when highlighting text
with Ctrl+Up oder Down).



** Attachment added: "test.tex"
   http://launchpadlibrarian.net/25530446/test.tex

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Kile 2.1 LaTeX editor is extremely slow
https://bugs.launchpad.net/bugs/361843
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