Here are the various choices:
A. Ignore these directives - in which case, user may have to put a rtl_synthesis
on/off around the module that is enclosed by `celldefine.
B. Issue error - User may have to put rtl_synthesis on/off around `celldefine
\ `endcelldefine.
C. Interpret `celldefine\`endcelldefine as rtl_synthesis off/on respectively.
Please send in your feedback by Mar 6.
- bhasker