[perl #131145] [JVM] Modes for IO::Handle.open need clarification

[Christian Bartolomaeus via RT]

On Thu, 13 Apr 2017 12:21:57 -0700, barto...@gmx.de wrote:
> [...]
> * define that :append and :create always imply "write"

That was also done by Zoffix++ -- mainly with 
https://github.com/perl6/roast/commit/091931a717