[OS X TeX] \ifpdf in TeX4ht?

Eitan Gurari gurari at cse.ohio-state.edu
Wed Mar 28 18:38:07 CEST 2007

There is no direct counterpart for \ifpdf but indirectly one can
employ an instruction  similar to

   \ifx \HCode\UnDefined \else ... \fi

However, private configuration files 


offer cleaner approaches.  For instance, the definition of \foo in


can be redefined in a private configuration file for a desirable
behavior under tex4ht.

 > Is there an option in TeX4ht which can be checked at latex runtime to  
 > do something which only makes sense or is necessary with TeX4ht? I  
 > just need some vertical space where TeX makes a page break ...

How are the page breaks requested?  Those that are automatically
created by the native tex engine are meaningless for hypertext output.


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