[tex-live] bug in TeX ?

Taco Hoekwater taco at elvenkind.com
Thu Apr 17 17:38:26 CEST 2008

Elie Roux wrote:
> Hello,
> It looks like I have found a bug in TeX : here are the files : 
> http://norgz.info/bug.zip
> The two files gregorio-good.tex and gregorio-bad.tex differ only in one 
> \showthe, and yet the result is different...
> If it is not a bug can you explain my mistake, 


   \global\isonaline=\number 0\iftrue1\fi

assigns 1 because the \if... is still part of the assignment.

Removing the % at the end of line 172

   \global\isonaline=\number 0%

fixes the wrong output.

Best wishes,

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