sjg 3c6b696332 Allow "string" and "${varspec}" on lhs of conditionals.
This makes it possible to use expressions like
${("${LIST:Msomething"}):?present:absent}
it also makes treatment of lhs and rhs more consistent, and
makes CondToken easier to read.

Update unit-test/cond1 to test new features.
2004-04-13 16:06:23 +00:00
..
2004-02-05 23:51:46 +00:00