Github user joshelser commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/33#discussion_r29155232
--- Diff: docs/src/main/asciidoc/chapters/iterator_design.txt ---
@@ -145,8 +146,16 @@ alter the internal state of the Iterator.
These methods simply return the current Key-Value pair for this iterator.
If `hasTop` returns true,
both of these methods should return non-null objects. If `hasTop` returns
false, it is undefined
-what these methods should return. Multiple calls to these methods should
not alter the state
-of the Iterator like `hasTop`.
+what these methods should return. Like `hasTop`, multiple calls to these
methods should not alter
+the state of the Iterator.
+
+When saving a Key or Value from a source iterator's `getTopKey` or
`getTopValue` methods
+for use after calling `next` on the source iterator (e.g., when cacheing
keys or values
--- End diff --
s/cacheing/caching/
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