[Dvipng] Re: very tiny dvipng bug

[Jan-Åke Larsson]

Kyle Rawlins wrote:
> I came across a very small problem that might be construed as a bug in 
> dvipng (but maybe not).  The error messages (in misc.c) use some 
> non-ASCII character for the A with a circle over it (in your name).  
> This causes a problem for the error handling in the "latex2" plugin for 
> the moinmoin wiki, which uses dvipng to generate latex images.  If 
> dvipng fails, instead of printing the dvipng error message (as part of 
> the wiki page), the wiki fails to convert the error message to utf-8 
> because of the circle-A character, and crashes.  More generally, this 
> might cause a problem for any program that calls dvipng and expects 
> output to be ASCII.  A workaround in dvipng was very easy (I just 
> changed the character in the misc.c file and recompiled), though I'm not 
> sure if there would be an easy way to get that character in a portable 
> fashion.

Hm, I have changed this in the man page for precisely that reason. I've 
checked in a cange in CVS, which will be included in the pending 1.6 
release. At some point I'll have to learn to do this properly.

/JÅ