[pstricks] exclamation mark

Doris Wagner doris.wagner at mac.com
Wed Aug 15 13:37:38 CEST 2007

hi list,

sometimes in pstricks-code there are expressions like this:


I guess that the exclamation mark is something postscript-specific. Can 
anyone explain the meaning of this exclamation mark or tell me where I 
can find something about it in the web?

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