fix Issue 11798 - std.algorithm.all with no predicate too
Merge pull request #1810 from monarchdodra/allAny

fix Issue 11798 - std.algorithm.all with no predicate too
DDoc fixes

This fixes some warnings as identified by the compiler,
as well as some broken cross-reference links caused by
DDoc auto-formatting of the current symbol.
Merge pull request #1820 from CyberShadow/ddoc-syntax-fixes-6

DDoc fixes