# [tex4ht] tex4ht with pgfplots and external legends

Johannes Wilm mail at johanneswilm.org
Fri Jul 22 08:38:28 CEST 2011

On Thu, Jul 21, 2011 at 1:55 PM, Johannes Wilm <mail at johanneswilm.org>wrote:

> On Wed, Jul 20, 2011 at 1:55 PM, Johannes Wilm <mail at johanneswilm.org>wrote:
>
>> If I remove the external legend argument ("legend to
>> name=govconsumptionlegend") the page compiles fine also during the 2nd run.
>
>
> Being a bit scared that no-one might have the answer, I've started to debug
> a bit myself. So far I've gotten to that if I remove line 1545 in html4.4ht
> it compiles without failures.
> ...
>

In the file pgfplots.code.tex I have to comment out lines 3944-45 like this
for it to compile. That obviously also makes the legends disappear:

\def\pgfplots at label#1#2{%
\begingroup
\edef\@currentlabel{%
\string\expandafter
%                \string\protect
%                \string\csname\space #2#1\string\endcsname
}%
\pgfutil at ifundefined{hyper at makecurrent}{}{%
\hyper at makecurrent{pgfplotslink}%
\hyper at anchorstart{\@currentHref}{}\hyper at anchorend
\pgfplotsutil at advancestringcounter@global\c at pgfplots@label
}%
\expandafter\label\expandafter{#1}%
\endgroup
}%

Doing that, it mostly compiles the way I expect it to do and I actually get
a working html-file. But the graphs are gone and I wonder: Is pgpfplots
actually supported by tex4ht? If not, I think I need to experiment with
"externalizing" the graphs.

--
Johannes Wilm
http://www.johanneswilm.org
tel: +1 (520) 399 8880
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