[texhax] \vline and fat column rules
Philip Ratcliffe
philip.ratcliffe at email.it
Wed Jun 15 19:22:37 CEST 2005
Spot the difference:
\newcommand\wvlinevar[1]{{\global\savedwidth\arrayrulewidth%
\global\arrayrulewidth #1}%
\vline {\global\arrayrulewidth\savedwidth}\ignorespaces}
The point is this: something like \wvlineconst automatically eats up any
following spaces (that's a TeX rule) whereas something like \wvlinevar{1pt}
will not and the following space gets counted. So, the command
\ignorespaces is necessary to avoid the extra space, which is what is
causing the positional shift.
Cordialmente, Phil Ratcliffe
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