fix Issue 11853 - Tuples fail "isAssignable"
Merge pull request #1826 from monarchdodra/11853

fix Issue 11853 - Tuples fail "isAssignable"
fix unittest associative array opCmp
Merge pull request #1827 from WalterBright/add-opCmp

fix unittest associative array opCmp
() should be used instead of {} for ddoc macro
Merge pull request #1828 from eco/patch-8

[minor] () should be used instead of {} for ddoc macro
Typo "enconding"
Merge pull request #1829 from eco/patch-9

Typo "enconding"