extern void internal_warning __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2)));
/* Debugging functions, not enabled in released version. */
+extern char *strescape __P((const char *));
extern void itrace __P((const char *, ...)) __attribute__ ((__format__ (printf, 1, 2)));
extern void trace __P((const char *, ...)) __attribute__ ((__format__ (printf, 1, 2)));
extern char *command_errstr __P((int));
-/* Specific errror message functions that eventually call report_error or
+/* Specific error message functions that eventually call report_error or
internal_error. */
extern void err_badarraysub __P((const char *));