@nogc for std.complex
Duplicate pointsTo as "doesPointTo"
Implement "isUnionAliased"
Re-implement "pointsTo" as "doesPointTo"
Rename pointTo as doesPointTo, insert deprecated alias
Change pointsTo to mayPointTo and doesPointTo
Rewrite pointsTo documentation
Fix issue 12747 std.regex bug in the parser allows reference to open groups.

Check the stack of opened constructs for groups when emit back-refs.
annotate mathspecial functions
add annotations to biguint
Convert SysTime's examples to ddoc-ed unittests.
Merge pull request #2183 from jmdavis/datetime_ddoc_tests

Convert SysTime's examples to ddoc-ed unittests.
Merge pull request #2181 from WalterBright/annotate-math

annotate mathspecial functions
Merge pull request #2145 from WalterBright/nogc-complex

@nogc for std.complex
std.stdio: annotate C functions
std.conv: parse not handling some cases
Make std.datetime.Date use ddoc-ed unittests.
Merge pull request #2187 from jmdavis/datetime_ddoc_tests

Make std.datetime.Date use ddoc-ed unittests.
Convert std.datetime.Datetime to use ddoc-ed unit tests.
Reformat some ddoc-ed examples so that they're not so long.