append arith-context arith array-compat array assign assoc assoc-zsh background blog1 blog2 brace-expansion bugs builtins-special builtins builtin-vars case_ command-parsing command-sub command_ comments dbracket dparen explore-parsing for-expr func-parsing func glob here-doc if_ introspect let loop osh-only parse-errors pipeline posix process-sub quote redirect regex sh-options smoke special-vars subshell test-builtin tilde type-compat var-num var-op-other var-op-strip var-op-test var-ref var-sub-quote var-sub word-eval word-split