Reproduced in Trunk (git commit d83c91ba7eb5f3a30ad4a3897f8dcd4f5749320c)
Steps to reproduce:
1. Start 6.1 GA2
2. Create portlet using the 3 scripts below, totaling 3 scenarios/tests.
a. Both single and multi line comments work because syntax is correct.
b. Only multi line comments work.
c. Only multi line comments work.
All 3 scenarios work in 6.0.12 when core-2 fixpack is installed.
Installing core-2 in GA2 does not resolve the issue.