[docs] Fixed XML syntax issue with CipherSuitsCallback, and ServicePointManager xml files.
Merge pull request #985 from joelmartinez/master

[docs] Fixed XML syntax issue with CipherSuitesCallback, and ServicePointManager xml files.
[system.net.http] Close service-point slot on explicit dispose. Fixes #18848
[System.Core] Don't auto increment when trimming hashset. Fixes #18687
Revert "[runtime] Improve the hashing of MONO_TYPE_VAR/MONO_TYPE_MVAR. Hopefully fixes #18880."

This reverts commit 078dc0321d53f9e161957656550fd10cc41db618.

It's breaking for everyone.
[mcs] Reference assemblies with same identity cannot have different version number
[mcs] Typo in error message
[system.net.http] Improve 50879b35cf1e92370d155d26cc85b4430fe17984 to close all connections not only the last one
Merge branch 'master' of github.com:mono/mono into symform-3-0