Merge weblab.(none):/home/marcsql/TREE/mysql-5.0-runtime

into  weblab.(none):/home/marcsql/TREE/mysql-5.1-rt50-merge


mysql-test/r/comments.result:
  failed auto merge
mysql-test/t/comments.test:
  failed auto merge
sql/sql_lex.cc:
  failed auto merge