I am facing a very strange problem. Texmaker quits with an error under a very specific condition, which has nothing to do with compilation, but rather what I type. Say for a minimal working example, I start typing


If I now try to type domain I get to do, pressing m or any other character exits Texmaker with the following:

*** glibc detected *** texmaker: free(): invalid next size (fast): 0x0000000002d67de0 ***

There are a lot more lines to it. Including these libraries: libc.so.6, ibQtGui.so.4, libQtCore.so.4, libglib-2.0.so.0

I don't recall having had this problem before and it seems to be a problem with the interface (Qt) I guess. I believe this will also work with other latex environments, not just tikzpicture, but haven't found any yet.

Using \begin{tikzpicture} makes the following lines appear orange. Typing do appears in blue as would for. It seems Texmaker recognizes that a code is to follow, or something of the sort. But it does not crash when typing for.

I am honestly lost as to how to fix this. Any ideas?

I am using: Linux Mint 13 Maya MATE, Texmaker 3.2, Texlive 2012

Also: This only happens if do are the first characters on a new line.

Full error output here

UPDATE: The problem seems to be version specific. I installed Texmaker 3.3 and do not face this problem any more. I have also installed Texmaker 3.2 on another Linux machine and face the same error.

closed as too localized by Tom Bombadil, percusse, Martin Schröder, clemens, Marco Daniel Sep 14 '12 at 18:27

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  • 1
    Interesting indeed. What happens if you paste the whole word directly? – percusse Sep 6 '12 at 21:47
  • copy/paste of the entire word works. – Markus Sep 6 '12 at 21:50
  • 1
    I don't know much about TeXmaker but is there any macro/plugin that tracks your input for auto-replace or something along those lines? – percusse Sep 6 '12 at 21:52

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