Re: [Rd] Sweave processes \Sexpr in commented LaTeX source (2.3.1patched and 2.4.0)

From: Seth Falcon <sfalcon_at_fhcrc.org>
Date: Wed 20 Sep 2006 - 17:07:26 GMT

"Antonio, Fabio Di Narzo" <antonio.fabio@gmail.com> writes:

> 2006/9/20, Seth Falcon <sfalcon@fhcrc.org>:

>> Peter Dalgaard <p.dalgaard@biostat.ku.dk> writes:
>> > ..not to mention TeX comments inside Sexpr (e.g. %*%...). Skipping
>> > lines with % as the first character might be a viable compromise
>> > though.
>>
>> +1. You could probably ignore any lines where the first
>> non-whitespace char is '%'. But if that seems to risky, then only
>> recognizing first-char-is-% seems a worthwhile heuristic.
>>
>> Another place where this has bitten people is when they do:
>>
>> %\usepackage{Sweave}
>>
>> Sweave picks that up and doesn't insert the usepackage line itself.
>
> I've found that extremely useful for sweaving Stex files which aren't
> "master" files (i.e., only files to include in a main latex file).
> Inserting '\usepackage{Sweave}' in each would result in a latex error.
> So commenting it out is a useful workaround.

Commenting it out _and_ having Sweave see it?



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