jbarlow83 7830e8509f Docs: minor clarifications (#590)
* Some clarifications to section on virtual fns

Primarily, I made it clear that PYBIND11_OVERLOAD_PURE_NAME is not "useful" but required in renaming situations. Also clarified that one should not bind to the trampoline helper class which I found tempting since it seems more explicit.

* Remove :emphasize-lines: from cpp block, seems to suppress formatting

* docs: emphasize default policy, clarify keep_alive

Emphasize the default return value policy since this statement is hidden in a wall of text. 

Add a hint that call policies are probably required for container objects.
2017-01-13 11:17:29 +01:00
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2017-01-13 11:17:29 +01:00
2016-10-20 15:21:34 +02:00