[Issue 8087] Improve clarity of std.algorithm documentation

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8087

--- Comment #6 from Alexandru Razvan Caciulescu <alexandru.razvan.c at gmail.com> ---
https://github.com/dlang/phobos/pull/4883

Regarding (1), since this bug was created the file hierarchy seems to have
changed. I updated the files from std/algorithm as explained in the original
post. Awaiting feedback.

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