Fix some copyright notices that weren't updated. Improve copyright tool

so it won't miss 'em again.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tools/copyright b/src/tools/copyright
index 84bfd002b84..764f71dfbc1 100755
--- a/src/tools/copyright
+++ b/src/tools/copyright
@@ -1,4 +1,4 @@
 rgrepc -l 'Copyright.*PostgreSQL Global Development Group' | while read FILE
 do
-	pipe sed 's/^\(.*Portions Copyright (c) 1996-\)[0-9]*\(, PostgreSQL Global Development Group.*\)$/\12003\2/g' $FILE
+	pipe sed 's/^\(.*Copyright (c) [12][0-9][0-9][0-9]-\)[12][0-9][0-9][0-9]\(, PostgreSQL Global Development Group.*\)$/\12003\2/' $FILE
 done