[Issue 15516] etc.linux.memoryerror has no documentation

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15516

--- Comment #2 from Walter Bright <bugzilla at digitalmars.com> ---
In druntime,

1. add it to mak/DOCS
2. add it to win32.mak just like the other files
3. add it to win64.mak just like the other files
4. I don't know anymore how things get added to the menu on the left

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