First steps towards a 2.3 installer.
diff --git a/Mac/Distributions/dev.exclude b/Mac/Distributions/dev.exclude
index 42ad004..8664074 100644
--- a/Mac/Distributions/dev.exclude
+++ b/Mac/Distributions/dev.exclude
@@ -11,10 +11,12 @@
 *.xMAP
 *.xSYM
 *Icon
+*~[0-9]
 .#*
 .DS_Store
 .cvsignore
 @*
 CVS
 [(]*[)]
-*~[0-9]
+*.pch
+*_pch