On 14-10-2011 10:38, Meer, H. van der wrote:
I made an example of the effect of this on \doifmode and \startmode. The
example shows that the appearance of extra space in \doifmode follows a regular
pattern. The startmode case differs in that respect because
\startmode[condition-true] has the extra space but \startmode[condition-false]
has not. In my view that is an unwanted anomaly. A little redefinition remedies
that as can be seen in the example.
it's all a side effect of how parses: spaces after a \cs are gobbled so
any macro that looks ahead has to struggle with this and compromise
you can consider using
\startsetups xxx
\stopsetups
\doifmode{whatever}{\setups{xxx}
inside setups all spaces and line endings are ignores (so an explicit
one has to be \space)
Hans
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