rework setIntersection
fix documentation for nextPermutation and nextEvenPermutation
Merge pull request #1801 from monarchdodra/setIntersection

rework setIntersection
Merge pull request #1822 from GassaFM/master

fix documentation for nextPermutation and nextEvenPermutation
Reduce imports in std.traits
Fix Issue 6730
Merge pull request #1823 from andralex/6730

Fix Issue 6730
fix more import insufficiency
Merge pull request #1824 from 9rnsr/fix_imports

fix more import insufficiency
fix Issue 11838 - Missing emplace import for std.range.zip?
Remove imports enclising by `version(unittest)`

Instead add local imports more.
Merge pull request #1825 from 9rnsr/fix_imports

[REG2.066a] Issue 11838 - Missing emplace import for std.range.zip?
Merge pull request #1809 from monarchdodra/traitsImport

Reduce imports in std.traits
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"