Added comments to explain things in version.h file

Author: nickgammon

how_to_release.txt

@@ -12,7 +12,7 @@ PREPARATION
 1. Test changes
 2. Document new functions, and changes, in database
 3. Update readme.txt file with today's date as release date
-4. Make sure version number changed in doc.h and resource file
+4. Make sure version number changed in version.h file (3 places)
 
 
 HELP GENERATION

version.h

@@ -1,6 +1,13 @@
+// Version number for this release. Used in various places.
+
+// Used for detecting version changes
 #define THISVERSION 505
+// Used in the resource file
 #define VERSION_16WORDS 5,0,5,0
+// Used to display the version number
 #define VERSION_STRING "5.05"
 
-// remember README
+// Note that the VERSION_STRING will have "-pre" appended by a pre-release build.
 
+// remember to edit date and version in readme.txt file
+//                  ^^^^^^^^^^^^^^^^