Author: se Date: Tue Nov 3 22:13:16 2020 New Revision: 367308 URL: https://svnweb.freebsd.org/changeset/base/367308
Log: Update man-page to document changes made to the calendar program. MFC after: 3 days Modified: head/usr.bin/calendar/calendar.1 Modified: head/usr.bin/calendar/calendar.1 ============================================================================== --- head/usr.bin/calendar/calendar.1 Tue Nov 3 22:04:32 2020 (r367307) +++ head/usr.bin/calendar/calendar.1 Tue Nov 3 22:13:16 2020 (r367308) @@ -198,12 +198,20 @@ file is preprocessed by a limited subset of .Xr cpp 1 internally, allowing the inclusion of shared files such as lists of company holidays or meetings. -This limited subset consists of \fB#include #ifdef #ifndef #else -#endif\fR and \fB#define\fR. Conditions can be nested, but not check -for matching begin and end directives is performed. -Included files are parsed in their own scope. -They have no read or write access to condition variables defined in -an outer scope and open conditional blocks are implicitly closed. +This limited subset consists of \fB#include\fR, \fB#define\fR, +\fB#undef\fR, \fB#ifdef\fR, \fB#ifndef\fR, and \fB#else\fR. +.Pp +Conditions can be nested and the consistency of opening and closing +instructions is checked. +Only the first word after #define is used as the name of the +condition variable being defined. +More than word following #ifdef, #ifndef, or #undef is a ayntax +error, since names cannot include white-space. +Included files are parsed in a global scope with regard to the condition +variables being defined or tested therein. +All conditional blocks are implicitly closed at the end of a file, +and missing #endif instructions are assumed to be present on implied +succeeding lines. .Pp If the shared file is not referenced by a full pathname, .Nm _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
