1diff_cmd () {
2	"$merge_tool_path" "$LOCAL" "$REMOTE" | cat
3}
4
5merge_cmd () {
6	if $base_present
7	then
8		"$merge_tool_path" \
9			"$LOCAL" "$MERGED" "$REMOTE" \
10			"$BASE" | cat
11	else
12		"$merge_tool_path" \
13			"$LOCAL" "$MERGED" "$REMOTE" | cat
14	fi
15}
16