VErsion

2015-06-12 - Call FRELUN if WModel command fails.
2015-06-11 - 'Model insensitive to parameter' had gone away...
2014-02-04 - Fixed bug reading mal-formed model (.mod) files.
2012-11-05 - Ignore NO data values when plotting residuals.
2012-03-23 - Additional check when reading CMD array.
2011-04-20 - Internal bug fixes.
2011-01-14 - SCR B/W does not restart plot device.
2010-11-10 - Fix bug in SEt LEngth command.
2010-09-23 - Add the LY (Linear in Y) component.
2010-07-13 - Fix plotting bug when SKip ON reduces the number of groups.
2010-07-13 - Fix format for WHead with IMAge MIN less than zero.
2010-06-30 - If FPNUM finds an error, it now returns NO (was 0.0).
2010-06-03 - Fix another image related WH bug.
2010-06-01 - SCR (for indices 0-15) is remembered.
2010-05-28 - Several fixes to WH command.
2010-05-26 - Another XAX/SKIP bug fixed.
2010-05-20 - Fix 20 year old error in example fig04.pco.
2010-04-23 - CURFIT would randomly pick 0.001 as a stopping condition.
2010-03-29 - Xaxis # refers to vectors not groups (software and doc).
2010-03-25 - New SEt/SHow to change maximum length of lines written with WD.
2010-03-24 - Fix potential infinite loop in spline/akima components.
2009-07-02 - When FIT plots final model, it no lonver redraws the labels.
2009-03-10 - Increase MXLAB to 200.
2008-12-16 - Splines handle too many knots before asking user for all pars.
2008-03-17 - LAb # To now works correctly with log coordinates.
2007-09-17 - Increase MXLAB to 100.
2007-04-05 - Contour plots written with WE should now work.
2007-02-02 - Upper limits now plot correctly on LOG scale.
2007-01-08 - The sequence Fit/UN/Fit now works with splines.
2007-01-08 - MO @file/UNcer 2 is now illegal (and never worked correctly).
2006-08-31 - STat command works again.
2006-08-30 - Fit now works if x coordinate is decreasing.
2006-04-10 - Fit Plot -100 (negative number) should now work (again).
2005-09-22 - CURFIT now always writes out the "model insensitive to" error.
2005-08-24 - YAX LIN now affects groups not windows (like XAX LIN).
2005-08-15 - WM adds parameter numbers as comment, mo @ ignores comments.
2005-06-29 - Fix use of GETLUN/FRELUN when using WEnvir.
2004-07-22 - Add LAb # Pos x1 y1 To x2 y2 option.
2004-02-27 - Fix bug that caused "LAb 1 VPort Curs" to fail.
2004-02-24 - Fix bug that prevented same COD file from being used twice.
2004-02-04 - In cod functions, "ASLO" no longer matches "ASin".
2004-01-22 - Fix case where MA ? would be displayed in background color.
2003-07-21 - LIne Step now works if X-coordinate is decreasing.
2003-07-17 - Fix crashes when user uses an undefined group.
2003-04-15 - GRid ON now works with images.
2002-08-02 - Fix bug where PLT incorrectly decides no points are in fit range.
2002-04-02 - Model is now plotted for entire displayed range not fitted range.
2002-03-21 - Add CGau and NCGa built-in functions.
2002-03-19 - SCR [White|Default|Black] added to set default background color.
2002-03-18 - Cursor keys now work with xterms (change to cget.f).
2002-01-22 - STat and IMOdel commands now works with 2D groups.
2002-01-22 - Y range limit implemented for 2D fitting.
2002-01-22 - Fix calling of PLTSVW from PLTCUR routine.
2002-01-17 - Increase to MXPAR=120, MXFREE=100 (computers are faster).
2001-07-18 - "err sq y", "gap err", "r y" now correctly sets the scale.
2001-04-30 - rdqdp now ignores blank lines.
2001-04-23 - YPL # no longer "forgets" if # had been DG'ed to be a 2D group.
2001-04-23 - WH does a better job at writing DG commands.
2001-03-29 - Fix bug in COD a2tn function incorrectly testing for 0,0 case.
2000-10-06 - Fix LAB # ma 2 lin 90 .02 failing on some devices.
2000-10-04 - If using XAX LIN; ERR OFF; STAT, then sum Y*XDEL will be correct.
2000-08-23 - Initilize the fit group var before it is used...
2000-08-10 - Error [X,Y] Gehrels sets the error to 1+SQRT(0.75+N).
2000-08-08 - Error X Sq now works again.
2000-07-03 - bug fix, can now see fits to groups.GT.10.
2000-06-15 - "LIne # on" now works again.
2000-06-14 - If X value is NO then point is ignored in fitting, etc.
2000-02-18 - Fix contour bug that sometimes prevented contours from appearing.
2000-01-25 - DGroup #; XAX # now works correctly.
2000-01-13 - IMA CCT file, now searches same path as scripts.
1999-09-09 - Fix default plotting when using SKip ON, sigh.
1999-09-05 - Scale the CURFIT errors when using "ERR OFF/FIT STAT CHI".
1999-09-05 - Fix bug when using "ERR OFF/FIT STAT ML".
1999-09-05 - Initialize variable qhard to make g77 (and others) happy.
1999-05-20 - DGroup 4 Res; YPlt 4 now work for line plots.
1999-05-17 - Fix bug introduced by inline models.
1999-05-11 - Fix default plotting when using SKip OF.
1999-04-29 - Make inline model files more transparent.
1999-04-22 - Add optional call to hdecod to rdqdp.f.
1999-04-21 - Can include model parameters in QDP files by enclosing in quotes.
1999-04-16 - Add the MMaster commend.
1999-04-15 - WH now writes DGroup commands.
1999-04-14 - Fix bug when WH writes R X command.
1998-12-17 - Line Step now works (again) if no X error bars
1998-11-25 - Groups can now have independent LOG/LIN/SQRT image scaling.
1998-11-18 - DGroup [Model|Residuals] now working properly.
1998-10-06 - PLT no longer does an "Error OFf" if plotting > 2000 points.
1998-10-05 - Redid internal data structures for the X coordinate.
1998-10-01 - Fixed up Fit Stat ML (see HElp FIt statistics for details)

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