Eradicate tabs

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189808 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a typo in the status for <optional>


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189809 91177308-0d34-0410-b5e6-96231b3b80d8
Updated the synopsis for weak_ptr<T>::owner_before to match the code. No code changes.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189812 91177308-0d34-0410-b5e6-96231b3b80d8
LWG Issue 2148: Hashing Enums

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189831 91177308-0d34-0410-b5e6-96231b3b80d8
Update status of issues 2045, 2050, 2080, 2081, 2083, 2130, 2137 and 2177. 


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189894 91177308-0d34-0410-b5e6-96231b3b80d8
Updated status for LSG issues 2122, 2169, 2177, 2140 and 2086.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189900 91177308-0d34-0410-b5e6-96231b3b80d8