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Update History



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.


gjb@bioch.ox.ac.uk