bug#20749: 11.88; Meta Bug: Long standing preview bug with TIKZ (6 years!?)

[Nicolas Richard]

Tassilo Horn <address@hidden> writes:
>> Isn't this https://sourceforge.net/p/pgf/bugs/316/ again ?
>
> Oh, yes, seems so.  And 315 seems also related.
>
>> For some reason, it seems that upstream is not fixing it even though a
>> patch is available.
>
> Why do you think that?  AFAICS, no official has done a statement on
> that, and the issue is just one year old.

Err... yeah maybe I'm being pessimistic again.

>> FWIW I've been running with that patch for a few months have yet to
>> see a problem with it.
>
> Which one?

The "correct patch". More precisely, it's :

--- /tmp/pgfutil-latex-ctan.def 2015-06-08 19:36:06.890121795 +0200
+++ 
/usr/local/texlive/2014/texmf-dist/tex/generic/pgf/utilities/pgfutil-latex.def  
    2015-06-08 19:39:09.686116394 +0200
@@ -134,16 +134,17 @@
 % material to get lost.
 
 \AtBeginDocument{
-  address@hidden
-    % Ok, package loaded. Swap definitions of everyshi.sty's shipout
-    % and preview.sty's shipout:
-    address@hidden@shipout% This is the original shipout
-    address@hidden@address@hidden This is what preview.sty should call
-    address@hidden@address@hidden@temp% Everyshi should now use the original 
one
-  }{}%    
address@hidden
+% Ok, package loaded. Swap definitions of everyshi.sty's shipout
+% and preview.sty's shipout:
+\ifPreview
address@hidden@address@hidden is the null version of \shipout, created by 
preview and saved by everyshi
address@hidden@address@hidden@shipout% This is the original shipout
address@hidden@address@hidden
+\fi
+}{}%
 }
 
-
 % Guess the driver:
 
 address@hidden

>             And do you also save \shipout before \begin{document} and
> restore it afterwards as indicated by the comment by Kirill Müller?

I don't.

> In any case: if there's anything that we could put into preview.dtx to
> fix the issue from our side, that would be awesome.  Patch welcome!

I admit I haven't looked into it, but I'm afraid I won't be able to
help.

Nico.