str: change example to match function being explained.
[ccan] / ccan / rbtree / _info
2011-01-10 Rusty Russellrbtree: use failtest to check handling of allocation...
2010-11-10 Rusty RussellMerge branch 'ronnie'
2010-11-08 Rusty Russellrbtree: new module from Ronnie.