[texhax] grouping

moheb missaghi moheb1333 at comcast.net
Mon Mar 28 04:27:10 CEST 2005


Hi,

I am reading tabularx.sty as a means to learn how to write packages. Not that it really matters for what I want to do but as a matter of curiosity I don't understand the grouping opened by:

  {\ifnum0=`}\fi

in tabularx (tabularx.sty) and apparently closes by:

\ifnum0=`{\fi}%

in TX at endtabularx. How can a grouping go across 2 different macros and what does it mean?

Thx,

Moheb
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