updated CHANGES

CHANGES

 
 This file is public domain.
 
+----------------------------------------------------------------------
+What is new in MetaPost version 1.803:
+----------------------------------------------------------------------
+
+* Fixed a bug in the path tension handling that sometimes caused 
+  distorted output.
+
+* A number of small alterations to the build system making it easier
+  to integrate metapost with W32TEX.
+
+* Fix the internal rounding functions in --numbersystem=double so that
+  they round exactly like in --numbersystem=scaled mode.
+
+* From Elie Roux: a fix to graph.mp to prevent log-scaled graphs with 
+  large ranges from causing the "Value is too large" error.
+
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 What is new in MetaPost version 1.802:
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