-/* tws.h
+/* tws.h -- time routines.
*/
/* If the following is #defined, a timezone given as a numeric-only offset will
-/* ctype-checked.h
+/* ctype-checked.h -- ctype.h with compiler checks.
*
* This code is Copyright (c) 2016, by the authors of nmh.
* See the COPYRIGHT file in the root directory of the nmh
-/* dtimep.l exceeds the default table capacities for some old versions
+/* dtimep.l -- parse dates and times.
+ *
+ * This exceeds the default table capacities for some old versions
* of lex (and the minimum defaults as specified by POSIX). The following
* choices meet or exceed the lex defaults for older SunOS4.x, Solaris,
* HPUX, and AIX.