https://bugzilla.wikimedia.org/show_bug.cgi?id=32212

--- Comment #5 from Volker Haas <[email protected]> 2011-12-13 
14:07:40 UTC ---
(In reply to comment #4)
> (In reply to comment #3)
> > * Most bothering, the pdf doesn't render texts like <span
> > style="text-decoration:overline">1</span>, instead of <span
> > style="text-decoration:overline">1</span> I see 1 in the pdf version. That's
> > really troublesome because in all articles about crystallography, and in all
> > textbooks outside the wikimedia projects, we describe directions in 
> > crystals as
> > [<span style="text-decoration:overline">1</span>11] (for example), the
> > direction [111] is a completely different one. See
> > http://fr.wikibooks.org/wiki/Cristallographie_g%C3%A9om%C3%A9trique/R%C3%A9seaux_de_Bravais
> > or http://fr.wikipedia.org/wiki/R%C3%A9seau_de_Bravais - these are by far 
> > not
> > the only pages using this notation.
> 
> The problem with overlines is that this is simply not supported by the
> pdf-framework we are using. I'll see if I can add support for overlines with a
> reasonable amount of work.
> 
> Just for the record: a workaround would be to use the "Combining Overline"
> character as described here: http://en.wikipedia.org/wiki/Overline
> I know that this is not really a solution to the problem ;)

I just checked the reportlab source code and came to the conclusion that I
can't add overline support. 
A solution for you could be the following: create a print template for the
overline template. The overline print template could then use the "combinging
overline" char to render overlines in the PDF

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