TeX capacity exceeded when building documentation with release.sh

[Minh Van Nguyen]

I often build the documentation using the convenient script release.sh. But I often get a "TeX capacity exceeded" error. Here are steps to reproduce the errors. Make sure you don't have the TeX environment variable "hash_extra" set; check the output of /usr/bin/env. Checkout trunk of igraph 0.6 and run the following commands:

$ autoreconf --install
$ ./configure --prefix=/path/to/my/usr
$ make && make install
$ ./release.sh

Then I would get the following error snippet:

<quote>
Package hyperref Warning: Token not allowed in a PDF string (PDFDocEncoding):
(hyperref) removing `subscript' on input line 325073.

Package hyperref Warning: Token not allowed in a PDF string (PDFDocEncoding):
(hyperref) removing `subscript' on input line 325073.

! TeX capacity exceeded, sorry [hash size=65000].
\PageLabel ...ndafter \ifx \csname p@#1\endcsname
                                                  \relax \else \protected@wr...
l.325144 {1}}

! ==> Fatal error occurred, no output PDF file produced!
Transcript written on igraph-docs2.log.
make: *** [igraph-docs.pdf] Error 9
</quote>

The above can be fixed by increasing TeX's hash size as follows:

$ export hash_extra=65000

Or provide a fix in the file

doc/Makefile.am

A patch is attached for the latter approach.

[Gábor Csárdi (gabor.csardi)]

Thanks! Added in revision #2292 (0.6-main).

[Gábor Csárdi (gabor.csardi)]

The development of igraph has moved to github, so please do not comment on this bug here. You are of course welcome to comment on github, here:
https://github.com/igraph/igraph/issues/208