[pdftex] Color stack, first try

[Hans Hagen]

At 01:10 PM 2/17/2003 +0100, Heiko Oberdiek wrote:

>You mean something like the following?
>
>\special{color push Black}
>\special{color pop}
>\special{color push rgb 1 0 0}
>\special{color push gray 1}
>
>And pdfTeX translates the arguments to
>   Black        ==> 0 g 0 G
>   rgb %1 %2 %3 ==> %1 %2 %3 rg %1 %2 %3 RG
>   gray %1      ==> %1 g %1 G

indeed (and forget about the Black, no reason to stack names), if i'm right 
this conforms to existing methods

Hans
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