1.5	24 May 2005	removed I/N type restriction

1.4	24 May 2005	allow arbitrary number of arguments after initial
				required arguments

1.3	21 May 2005	reference citation ends with a period

1.2	19 May 2005	fixed handling of multiple file type suffixes

1.1	18 May 2005	initial release

Description: change log for idref