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hyperref link label drop underscores (Origin: bugzilla #763104) #5964

doxygen opened this Issue Jul 2, 2018 · 0 comments


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doxygen commented Jul 2, 2018

status RESOLVED severity normal in component general for ---
Reported in version 1.8.11 on platform Other
Assigned to: Dimitri van Heesch

Original attachment names and IDs:

On 2016-03-04 15:15:31 +0000, Brice Goglin wrote:


After upgrading to 1.8.11, all my hyperref link names miss all underscores. My function "foo_bar_baz" appears as "foobarbaz" in the PDF index (in the bookmark names). The links work fine. The PDF looks good. It's only the index link label generated by hyperref that is wrong.

This is a regression from 1.8.10.

This is likely related to this warning that appears a lot in 1.8.11 when building with pdflatex:

Package hyperref Warning: Token not allowed in a PDF string (Unicode):
(hyperref) removing `subscript' on input line 135.

Seems to come from this line:

\subsubsection[{\texorpdfstring{H+W+L+O+C+_++A+P+I+_++V+E+R+S+I+ON}{HWLOC_API_VERSION}}]{\setlength{\rightskip}{0pt plus 5cm}#define H+W+L+O+C+_++A+P+I+_++V+E+R+S+I+ON~0x00020000}\hypertarget{a00080_ga8f4dfb8eef138af55dd1a0fa802e5476}{}\label{a00080_ga8f4dfb8eef138af55dd1a0fa802e5476}

In 1.8.10, I see no such warning from the corresponding line:

\subsubsection[{H+W+L+O+C+_++A+P+I+_++V+E+R+S+I+O+N}]{\setlength{\rightskip}{0pt plus 5cm}#define H+W+L+O+C+_++A+P+I+_++V+E+R+S+I+O+N~0x00020000}\label{a00098_ga8f4dfb8eef138af55dd1a0fa802e5476}


On 2016-03-04 18:25:24 +0000, albert wrote:

Can you please attach a (small) self-contained example (source+config file in a tar or zip) that allows me to reproduce the problem?

On 2016-03-04 20:20:30 +0000, Brice Goglin wrote:

Created attachment 323128
Example to reproduce

Here's a small test case.

tar xfj doxygen-bug.tar.bz2
cd doxygen-bug
doxygen doxygen.cfg
cd doc/latex
pdflatex refman.tex
pdflatex refman.tex (again to fix references and actually get PDF bookmarks)

Then open refman.pdf, go in the index and look at the bookmarks inside 2.1.2, 2.1.3 and 2.2.2. All names there are hwlocfoobar instead of hwloc_foo_bar (function names, function parameter types, enum types).


On 2016-03-04 20:30:32 +0000, Brice Goglin wrote:

By the way, when I say "go in the index", I mean the PDF summary/index in the left tab in PDF readers such as evince.

I don't mean the summary/index that doxygen puts in the "Contents" section on pages iii and iv, those link names are OK.

On 2016-03-05 18:47:16 +0000, albert wrote:

I've just pushed a proposed patch to github (pull request 454)

On 2016-03-05 19:41:24 +0000, albert wrote:

Pushed a second part to pull request 454 as a proposed fix for bug 762982

On 2016-03-05 20:12:12 +0000, Brice Goglin wrote:

The output is correct with your patch, thanks!

On 2016-03-13 10:17:15 +0000, albert wrote:

Proposed patch code has been integrated in master branch on github

On 2016-09-05 13:46:30 +0000, Dimitri van Heesch wrote:

This bug was previously marked ASSIGNED, which means it should be fixed in
doxygen version 1.8.12. Please verify if this is indeed the case. Reopen the
bug if you think it is not fixed and please include any additional information
that you think can be relevant (preferably in the form of a self-contained example).

@doxygen doxygen closed this Jul 2, 2018

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