"beamer and TeX on Macs" Re: mactex.tar.gz (complete ... Re: [OS X TeX] final tex live 2007

Roussanka Loukanova rloukano at stp.lingfil.uu.se
Fri Feb 23 12:11:30 CET 2007


Please, accept my apology: perhaps the Subject should have been 
sub-specified "beamer and TeX on Macs", since it took this sub-direction.

Roussanka

On Fri, 23 Feb 2007, Roussanka Loukanova wrote:

> Hi,
>
> On Fri, 23 Feb 2007, Martin Wilhelm Leidig wrote:
>
>> Good morning!
>> 
>> Am 2007-02-22 um 22.38 schrieb Roussanka Loukanova:
>>> Except that I had again to do the fix in 
>>> "/usr/local/texlive/2007/texmf-dist/tex/latex/beamer/beamerbaseboxes.sty"
>>> for the beamer package (which one has to do for each update of both 
>>> TeXLive-2007 and gwTeX).
>> 
>> Huh?  What patch?  Could you please tell me more about that?
>
> Without the fix (see at the end), some of the covered text in beamer files 
> does not get uncovered, or it is not supposed to be covered at all. For ex., 
> see the word "hold" on p.24 of beamerexample5.pdf. The beamerexample5.pdf is 
> located in
>
> ./local/gwTeX/texmf.texlive/doc/latex/beamer/examples/
> ./local/texlive/2007/texmf-dist/doc/latex/beamer/examples/
>
> The pre-typeset beamerexample5.pdf looks fine, but after you make a copy of 
> the examples in your home directory, and typeset them, you will (most likely) 
> get the problem. This is just a single word and can be easily overlooked 
> (esp., without concentrated attention on the content of the material). With 
> some beamer files
>
> 1) material (such as text, items in lists environments, graphics, etc.)
> gets and stays covered on all frames, without even being in the scope of 
> covering, i.e. overlay, command/environment at all.
>
> 2) material that is supposed to uncover on subsequent frames, doesn't not get 
> uncovered.
>
> It looks to me that some of the environments or commands get total scope, 
> after their scope is opened, either with \command{...} or
> \begin{env} ... \end{}. As if the closing entity doesn't operate properly.
> The problem goes quietly, without issuing any errors.
>
> Something more, even if mis-covered material occurs on many frames, or is a 
> large chunk (not just a single word), I can imagine that one can easily 
> overlook it, in various situations such as:
>
> After updates of TeXLive and gwTeX, one can just forget to do the fix. Since 
> typesetting goes without error warnings, one may make small changes in a 
> beamer presentations, which look perfectly ok. Even if one Views all pages, 
> this can be done without concentrated re-reading of all pages. The longer the 
> beamer file is lesser the chance of noticing such mis-covered pieces.
>
> But even with the fix, some problems persist: e.g., in beamerexample1.tex, 
> the following color specification produces error:
>
> \rowcolors[]{1}{structure!25!averagebackgroundcolor}{structure!10!averagebackgro
> undcolor}
>
> Till Tantau suggested temporarily a fix, which makes problems with beamer 
> files disappear. The fix is (with a slight difference in the paths for TeX on 
> Mac, for both distributions, from the path that Till Tantau sent over):
>
> in
>
> /usr/local/gwTeX/texmf.texlive/tex/latex/beamer/beamerbaseboxes.sty
> /usr/local/texlive/2007/texmf-dist/tex/latex/beamer/beamerbaseboxes.sty
>
> replace the line
>
> \setbox\bmb at colorbox=\hbox{\color{lower.bg}}%
>
> by the line
>
> \setbox\bmb at colorbox=\hbox{{\pgfpicturetrue\pgfsetcolor{lower.bg}}}%
>
> Roussanka
>
>> 
>> 
>> ... mit freundlichem Gruß aus Ladenburg:
>> 
>> -Moss-
>> 
>
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