Becareful the heredoc!

today , i was spent half hour to find a bug, it said , Parse error: syntax error, unexpected ‘]’, expecting T_STRING or T_VARIABLE or T_NUM_STRING in xx line, i check that lline all words , on by one , cannot find the problem where it is , even i remove them , still has some error , check all file line by line , i found it ! because i run a function of emacs to indent line, so EOQ not in the very begin of line ! stupid me !