[NTG-pdftex] Patch 391: Extending \pdfliteral

Hans Hagen pragma at wxs.nl
Mon Jul 18 09:34:02 CEST 2005


Martin Schröder wrote:

>On 2005-07-18 00:51:34 +0200, Hans Hagen wrote:
>  
>
>>Hartmut Henkel wrote:
>>    
>>
>>>It seems that Acrobat does not allow grouping q...Q inside BT...ET
>>>sections (xpdf tolerates it). There is currently no way to guarantee
>>>that a literal text does not end up in a BT...ET section without using
>>>the plain \pdfliteral {} mode (without "direct"). But then one has
>>>the matrix transform, which precludes grouping; well, here is a funny
>>>counter-example:
>>>      
>>>
>>q Q deals with the graphic state only (mostly characteristics of line 
>>drawing, not that this is an excuse for acrobat fo rnot handling them -)
>>    
>>
>
>I'm not sure I understand Hartmut correctly: "BT q Q ET" is not
>allowed, but "q BT ET Q" is (see Figure 4.1 and Table 4.1 in the
>PDF reference: special graphic state operators (q Q cm) are not
>allowed in Text objects). Are we talking about "BT q Q ET" or "q
>BT ET Q"? The first would be a pdfTeX bug.
>  
>
not so much a pdftex bug as well as that users can use literals in such ways that make q Q's end up in BT ET's 

Hans 


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