Version 0.2.0: RDB_ICASE, Changelog, --version, angepasste Man-Pages

man/validate.man

@@ -133,6 +133,22 @@ that is easy to find, such as
 .PP
 If you only want to see the error lines, use the command
 .BR row .
+.SH "Case of Column Names"
+.I "(Ruby re-creation only.)"
+Column names are case sensitive, as in the original
+.BR /rdb .
+If the environment variable
+.B RDB_ICASE
+is set to 1, upper and lower case are ignored when column names are looked up.
+An exact match always wins;
+if several columns differ only in case, the command stops with an
+.I ambiguous
+error.
+Names that are also
+.B awk
+reserved words or are followed by
+.B (
+are never taken for columns.
 .SH "See Also"
 .SH "Logical Conditions"
 .B