in parse_rcfile(), properly generate an error if we've read in a syntax

without any associated color command


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3573 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -259,6 +259,9 @@ CVS code -
   parse_colors()
 	- Check for a color command's not following a syntax line before
 	  anything else. (DLR)
+  parse_rcfile()
+	- Properly generate an error if we've read in a syntax without
+	  any associated color commands. (DLR)
   do_rcfile()
 	- Check for the rcfile's being a directory or device file and
 	  reject it if it is, for consistency with file handling

src/rcfile.c

@@ -835,6 +835,9 @@ void parse_rcfile(FILE *rcstream
 	    rcfile_error(N_("Unknown flag %s"), option);
     }
 
+    if (endsyntax != NULL && endcolor == NULL)
+	rcfile_error(N_("Syntax has no color commands"));
+
     free(buf);
     fclose(rcstream);
     lineno = 0;