Revision Features and Fixes, MSWindows Product Line
                  (c) 2006 STELLAR SOFTWARE

204 Feb 2004 --Handles negW0 ray normalization
203 Jun 2002 --Improved Snell debug vector lister; OFFSETOX & OFFSETOY
202 Mar 2002 --Improved automatic startup Media table parser InOut=9 digits
198 Dec 2000 --Maintenance; test suite enlarged.
197 Jul 2000 --Plot fix so that zoom=optional sticky while 
  pan=nonsticky.
195 Feb 2000 --Positive root test avoids zero length intercepts.
  also: ray radius test placed within quad solver.
  also: ray note & debug note updated.
194 Feb 2000 --Ganged goals for autoadjustment allows focussing 
  without ray goal position being known.  
  "Print doc absent" message fixed.
  README updated.
193 Nov 1999 --Postscript dotted/solid attribute fixed.
  AUTO "stop" button repaired.  
  Synch with Mac r0.25.
  Test suite enlarged.
190 Aug 1999 --Fresnel "A1" coefficient repaired.
189 Jun 1999 --GIF generator npoints-test installed.  
  Persistent graphics made optional: 
  Options:Other "Keep previous graphics? []"
188 Jun 1999 --new compiler, Borland 5.02: EXE files now 250Kb 
  compare -- they were about 450Kb.
  also: new print driver installed.   
  Test suite enlarged.
187 Jun 1999 --graphics scroller drivers rewritten. 
186 Jun 1999 --maintenance: fixed single-pixel plot problem. 
  also: GIF generator installed, preliminary testing underway.
185 May 1999 --maintenance: all ints now are 32bit.
  also: upper word of WPARAM now hidden from switch statements,
  allows accelerator keys in Win32 environment. 
184 May 1999 --maintenance: %d versus %ld.
183 Apr 1999 --accelerator problem fixed. Intermittent random
  ray generator repaired.  32bit interface ints. 
  Test suite enlarged.
182 Apr 1999 --icon repaired.  WIN16 defs eliminated.  
  System calls updated for full 32bit compatibility. 
181 Mar 1999 -- initial media unparsed issue verified, fixed.
  Box bounds introduced; new box rootfinder installed, tested;
  test suite much enlarged. Much faster Brent solver!
180 Feb 1999 --varied line space grating column heads: 
  two formats now are recognized: G1 G2 G3 G4 and/or 
  VLS1 VLS2 VLS3 VLS4.
  README updated.   
  Stringarray made ANSI. 
  Hexbeams verified------------------------------------
   In Options:Other, set hexbeam radius.
   In RAY table, create X0 and Y0 or U0 and V0 columns
   Be sure the height of the RAY table is tall enough to receive
   the number of rays to be created. 
   In RAY table, enter hex center values in X0 Y0 or U0 and V0.
   Place caret in whichever column is to become a hex radius.
   Press ctrl 1 to erect a single hexagon (7 rays)
   or    ctrl 2 to create two nested hexagons (19 rays)
   or    ctrl 3 to create 3 nested hexagons (37 rays)
   or    ctrl 4 to create 4 nested hexagons (61 rays)
   or    ctrl 5 to create 5 nested hexagons (91 rays).
179 Jan 1999 --AUTO start-stop rewritten, iteration management.
  AUTO progress box rewritten.  Layout surface-arc bug fixed. 
  New line segment clipper. Zernike polynomials removed.  
174 Sep 1998 --2D scales dissociated from graphic, now fixed;
171 Aug 1998 --New file-save dialog; 
  "o" and "O" synonymous with "0".
  Test suite enlarged. 
  TIR parser fixed.  
  Caret loss w/restacking fixed.
170 Mar 1998 --Layout's iris drawing logic modified; 
  iris intercept logic modified.
169 Jan 1998 --maintenance "max" "min" issue. 
  Polynomial rootfinder revised.
  Quadsolve improved with root choice based on ray lengths. 
  BParse object introduced.
168 Dec 1997 --sticky plot zoom. 
167 Dec 1997 --table parser is now platform independent.
166 Dec 1997 --quadlist redesign has been unified. 
  Test suite revised.
165 Nov 1997 --maintenance; C++ signature error fixed.
164 Nov 1997 --DXF now uses polyline, not separate segments.
164 Nov 1997 --adopted Borland C++ 4.52 compiler; 
  test suite enlarged.
163 Sep 1997 --demos generated by makefile.
163 Sep 1997 --sub-Lambertian scattering introduced; 
  D01D repaired.
161 Sep 1997 --table editor control keys modified--
      Ctrl-Home  goes to upper left corner of table
      Ctrl-up    goes to top of table
      Ctrl-PgUp  goes to top of table
      Ctrl-End   goes to end of line
      Ctrl-Down  goes to bottom of table
      Ctrl-PgDn  goes to bottom of table.
  also: new graphic line clipper written, tested, installed.