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+<TITLE> Update History</TITLE>
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+<H1><A NAME=SECTION0002000000000000000> Update History</A></H1>
+<P>
+<PRE><TT>
+
+VERSION 1.0 19 June 1992
+Version 1.1 26 June 1992
+Version 1.2 21 October 1992: Add multiple blocks per page option.
+Version 1.3 15 November 1992: First Distribution.
+Version 1.4 6 December 1992: Add Colour commands.
+Version 1.4.1 1 February 1993: Small bug fixes - FULL RELEASE VERSION.
+Version 1.4.2 15 February 1993: Make silent_mode toggle.
+Version 1.4.3 1 March 1993: Fix bug in colour option.
+Version 1.4.4 24 March 1993: Add mask features (should be version 1.5).
+Version 1.4.5 25 May 1993: Include alsnum program in distribution.
+ 7 June 1993: Fix NO_NUMBERS bug in documentation
+ Change defaults for -q option to use MASK.
+
+Version 2.0 23 May 1995: Numerous changes and additions including the
+ option to colour backgrounds
+ differently, ommission of idents on
+ second and subsequent lines, helix,
+ strand and other special characters,
+ relative numbering, error checking of
+ ranges on input, bounding box,
+ screening, conservation colouring...
+Version 2.03 5 June 1996: Small bug fixes - patches incorporated.
+ BACKGROUND_REGION and BOUNDING_BOX commands moved to
+ step 1 section.</TT></PRE>
+<P>
+<HR>
+
+</BODY>
+<P><ADDRESS>
+gjb@bioch.ox.ac.uk
+</ADDRESS>
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