add {} as valid characters in tags

automatically update extra overrides when accepting new tags as autobyhand

scripts/debian/byhand-tag

@@ -4,7 +4,7 @@
 INPUT="${1:?"Usage: $0 filename"}"
 
 # Regular expression used to validate tag lines
-CHECKRE='^[a-z0-9A-Z.+-]+[[:space:]]+Tag[[:space:]]+[a-z0-9:. ,+-]+$'
+CHECKRE='^[a-z0-9A-Z.+-]+[[:space:]]+Tag[[:space:]]+[a-z0-9:. ,{}+-]+$'
 
 # This must end with /
 TARGET=/srv/ftp.debian.org/scripts/external-overrides/
@@ -38,6 +38,8 @@ mv "$OUTNONFREE"        "$TARGET"tag.non-free
 
 chmod 644 "$TARGET"tag "$TARGET"tag.contrib "$TARGET"tag.non-free
 
+(cd $TARGET && ./mk-extra-overrides.sh)
+
 trap - EXIT
 
 exit 0