tal: allow notifiers on NULL.
[ccan] / ccan / ptr_valid /
2018-04-06 Rusty Russellptr_valid: fix spurious SIGINT under lldb on MacOS
2016-11-21 David GibsonMerge Makefile rewrite into master
2016-10-25 Rusty Russellptr_valid: fix warn-unused-result warning (-O2)
2014-06-16 David Gibsonccan: Correct some poor conventions in _info includes
2011-12-05 Rusty Russellptr_valid: test whether a ptr is valid.