8927f8fbc6
"The function should return status zero if it successfully handled the command, or non-zero status if it failed. In the latter case the standard handling is applied: ‘command not found’ is printed to standard error and the shell exits with status 127." - http://zsh.sourceforge.net/Doc/Release/Command-Execution.html Needed after changes in https://github.com/termux/termux-packages/pull/566 where the command-not-found program no longer exists itself with 0.