Documentation errata - FCODE pattern

There was an erroneous example in the user manual, with "|" separating multiple patterns in the documentation for the "fcode pattern" option. This "|" feature was not implemented in 1.4 although it is now in the head-revision in CVS and will probably be in an upcoming 1.4a release.

Meanwhile an updated copy of the user manual is now included on the home page. This documentation supercedes that included in the 1.4 release.