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Date:   Tue, 21 Apr 2020 21:29:06 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To:     "Paul E. McKenney" <paulmck@kernel.org>
Cc:     Linux Doc Mailing List <linux-doc@vger.kernel.org>,
        linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
        Josh Triplett <josh@joshtriplett.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Lai Jiangshan <jiangshanlai@gmail.com>,
        Joel Fernandes <joel@joelfernandes.org>, rcu@vger.kernel.org
Subject: Re: [PATCH 07/10] docs: RCU: RTFP: fix bibtex entries
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Em Tue, 21 Apr 2020 10:52:25 -0700
"Paul E. McKenney" <paulmck@kernel.org> escreveu:

> On Tue, Apr 21, 2020 at 10:43:29AM -0700, Paul E. McKenney wrote:
> > On Tue, Apr 21, 2020 at 07:04:08PM +0200, Mauro Carvalho Chehab wrote:  
> > > There are several troubles at the bibtex entries with
> > > prevent them to be processed by LaTeX:
> > > 
> > > - On LaTeX, comment lines start with '%', but here, comments
> > >   are starting with "#";
> > > - Underlines should be escaped.
> > > - While the best would be to use \url{} for all URL entries,
> > >   let's do it at least for a couple that would otherwise
> > >   produce errors on LaTeX.
> > > 
> > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>  
> > 
> > Another approach might be just to link to a public repo containing
> > cleaned-up versions of these bibliography entries:
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/perfbook.git/tree/bib/RCU.bib
> > 
> > That would have the advantage of keeping this information in only one
> > place, and reducing the number of updates required.

Yeah. I didn't know you had it somewhere else.

> > 
> > Thoughts?  
> 
> OK, I should have read the next patch in the series, where you convert
> into a Sphinx-compatible bibliography.  Except that you had to convert
> the bibtex entries by hand to produce the Sphinx-compatible entries?

No, but it still required a lot of manual work.

I manually converted the file to ReST. That was the easiest part.

Then, I used sphinx-build to convert it into a LaTeX file and changed
the produced .tex for it to use the .bib file. 

The last step was the hardest one. I'm not familiar with LaTeX. I did
several attempts to produce an output with the same kind of captions
as the original file, but I was unable to generate it.

So, I ended doing the final step the hard way: I used XeLaTeX to produce
a PDF file. Then, I manually copied the entries from the output back into 
the ReST file, carefully adjusting the captions, in order for them to
point to the right places. 

Before that, I tried to use a few Sphinx BibTeX extensions, but they
are not complete: they were unable to parse some types of entries.
If I'm not mistaken (I did it some time ago, on another computer),
the ones I tested crashed when trying to parse some entries, like 
'@Conference'.

> That will get a bit ugly when it comes time to add more entries.
> 
> Or was the conversion of bibliography entries automated?

I suspect it should be possible to automate it, but, as I said,
I'm not too familiar with LaTeX. 

Thanks,
Mauro