Added note about equality for table diffs.

2017-10-27 16:07:23 -07:00 · 2017-10-27 16:07:23 -07:00 · bfc6bde580
commit bfc6bde580
parent f711cbb6a2
1 changed files with 3 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -62,3 +62,6 @@ returns:
 {old={4, 5}, old_first=4, old_last=5, new={4, 5}, new_first=3, new_last=4},
 {old={},     old_first=6, old_last=5, new={6},    new_first=5, new_last=5}}
 ```
+
+(when diffing tables, it is guaranteed that for matching chunks, .old and .new refer to
+the same table, so `chunk.old == chunk.new` will succeed)