Tim Burt wrote:
> Robert Goldman writes:
> > When I do a latex export, a simple URL in text, or a simple link url of
> > the form [[URL]] --- with no description --- gets emitted as
> >
> > \href{URL}{URL}
> >
> > which causes Latex to crash for me.
> The first guess is that the string 'URL' in the post is not the actual
> string that "causes Latex to crash". The next guess is that 'URL' is
> actually a string with one of LaTeX's 10 special characters, with a
> popular one being underscore (_) in this context.
>
> >
> > I believe that this is because it won't accept a URL as the second
> > argument to href.
> The second argument to \href is simply a string that LaTeX can render,
> so a URL is fine.
>
> >
> > Changing the \href command to \url fixes the latex problem.
> >
> > So I wonder if we need to catch this special case of a description-less
> > URL and treat it specially in latex export for the benefit of latex's
> > hyperref package.
> >
> > I'm not an expert on hyperref, by any means, nor do I know the innards
> > of latex export, so I could be missing something here. However the
> > description of \url in the hyperref manual says the following:
> >
> > \url{URL}
> >
> > Similar to \href{URL}{\nolinkurl{URL}}
> >
> > ...which suggests to me that using the URL without some kind of magical
> > protection (provided by \nolinkurl) may lead to bad things.
> A URL can be used, but any special characters must be protected
> somehow. The \nolinkurl in the second argument provides such
> protection, as does the \url solution mentioned above.
>
Thanks. This suggests that replacing \href{URL}{URL} with
\href{URL}{\nolinkurl{URL}} might be a good strategy for Latex export.
I am not exactly sure why the un-protected URL causes problems for me
and not for Nick. However, I am trying to generate latex for beamer,
which seems very tricky, and perhaps that's what's going wrong here ---
I'm getting beamer's internal state messed up. I'm not sure; will
report if I can disentangle it.
Thanks for the help, both of you.
best,
R
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