Prepare for v0.3.0 release

component.xml

@@ -3,7 +3,7 @@
 <!-- component.xml.  Generated from component.xml.in by configure. -->
 
 <component id="pal" support="S">
-  <version>0.2.0</version>
+  <version>0.3.0</version>
   <path>libext/pal</path>
   <description>Position Astronomy Library</description>
   <abstract><p>

configure.ac

@@ -2,7 +2,7 @@ dnl    Process this file with autoconf to produce a configure script
 AC_REVISION($Revision: 27534 $)
 
 dnl    Initialisation: package name and version number
-AC_INIT(pal, 0.2.0, [email protected])
+AC_INIT(pal, 0.3.0, [email protected])
 
 dnl    Require autoconf-2.50 at least
 AC_PREREQ(2.50)

pal.news

@@ -4,6 +4,14 @@ The Starlink Positional Astronomy Library (PAL) is a C implementation of the
 SLALIB API. It is distributed under the GPL and uses the SOFA library wherever
 possible.
 
+V0.3.0
+
+Add refraction code and support palOap and palAop. For closer compatibility
+with SLA for testing purposes the refraction routines internally use
+clones of slaNutc, slaEqeqx, slaGmst and slaGeoc. Once the code has
+been verified further the PAL/SOFA routines will be used instead. Switching
+routines seems to change the results in palTest by about 0.05 arcsec.
+
 V0.2.0
 
 Improve configure script when not in a Starlink build environment. Use