id summary reporter owner description type status milestone component version severity resolution keywords cc 7563 slex CONTLINE options parse keyword with backslash gongyiling3468@… Hartmut Kaiser "I'm using the slex, wrapped by boost::wave library, and it's very very cool. but I got a problem when using it. that is it seems slex cannot process the following macro correctly: #define M else\ +1 the macro content is irrelevant, the point is slex treats ""else\"" as a whole as code detailed in the attachment. " Bugs new To Be Determined wave Boost 1.49.0 Problem