xdebug.file_link_format=gvim://%f@%l
xdebug.file_link_format=txmt://open/?url=file://%f&line=%l

xdebug.file_link_format=???://%f?%l
Windows: http://forums.netbeans.org/topic20597.html#85639
Linux: http://xdebug.org/docs/stack_trace#file_link_format