of block declarators.  Document the rule we use.

Also document the rule that Doug implemented a few weeks ago
which drops ownership qualifiers on function result types.

rdar://10127067

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176336 91177308-0d34-0410-b5e6-96231b3b80d8

that a __strong object of block type is a valid argument to objc_storeStrong but
that an objc_retain and not an objc_retainBlock will be emitted.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175838 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171920 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170296 91177308-0d34-0410-b5e6-96231b3b80d8

This enables us to use the same document structure as in other files.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170283 91177308-0d34-0410-b5e6-96231b3b80d8

The adornment:

===
Foo
===

is for titles, not sections.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170278 91177308-0d34-0410-b5e6-96231b3b80d8

Patch by Anastasi Voitova with with small fixes by me.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170132 91177308-0d34-0410-b5e6-96231b3b80d8