zsh/Src/input.c

33  * history expansion code a character at a time.  Input is stored on a
37  * is a history or alias expansion and to store the alias while it is in use.
48  * mark history expansion).  `alias' is ignored unless INP_ALIAS or
120  * Input stack size.  We need to push the stack for aliases, history
276 	 * this is done when the history mechanism for the current input
366  * The last character can always be backed up, provided we didn't just
367  * expand an alias or a history reference.
382 		fprintf(stderr, "Warning: backing up wrong character.\n");
401 	     * The character is being backed up from a previous input stack
403 	     * can't back up where we want to.  Instead, we just push it
412 	 * Note this may be a dummy (history expansion) entry.
416 	     * Go back up the stack over all entries which were alias
492 	 * Text is expansion for history or alias, so continue
494 	 * as alias continuation so as to back up if necessary,
578  * in the history and need to be flushed explicitly when we encounter