--- a/tests/test-diff-ignore-whitespace.t Sat Nov 12 14:00:25 2011 +0100
+++ b/tests/test-diff-ignore-whitespace.t Sun Nov 13 21:37:14 2011 +0100
@@ -442,3 +442,16 @@
New line not noticed when space change ignored:
$ hg ndiff --ignore-blank-lines --ignore-all-space
+
+Do not ignore all newlines, only blank lines
+
+ $ printf 'hello \nworld\ngoodbye world\n' > foo
+ $ hg ndiff --ignore-blank-lines
+ diff -r 540c40a65b78 foo
+ --- a/foo
+ +++ b/foo
+ @@ -1,2 +1,3 @@
+ -hello world
+ +hello
+ +world
+ goodbye world