tests/test-context.py.out

lazyset: split the iteration logic from the condition filtering logic

So that the filter can be reused by `fastasc` or `fastdesc`.

workingfilectx.date = (1000, 0)
ASCII   : Gr?ezi!
Latin-1 : Grüezi!
UTF-8   : Grüezi!
(['foo'], [], [], [], [], [], [])
diff --git a/foo b/foo

--- a/foo
+++ b/foo
@@ -1,1 +1,2 @@
 foo
+bar