id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 17660 extends template tag mishandles filter expressions FunkyBob nobody "For unknown reasons, the {% extends %} tag tries to manually identify string literals as the argument, by testing if they start and end with the same char, and that char is ' or "" This test fails with the following trivial case: {% extends ""something""|afilter:""else"" %} I can see little to no reason not to switch to using the same argument filtering as everyone else, except for the _tiny_ amount of extra debug information provided." Bug closed Template system dev Normal fixed Accepted 1 1 1 0 0 0