[dcl.link] Fix indentation of example code
[{i,o}stream.manip] Remove redundant "namespace std"
Merge pull request #420 from tkoeppe/indentdecl

[dcl.link] Fix indentation of example code
Merge pull request #421 from tkoeppe/manipnostd

[{i,o}stream.manip] Remove redundant "namespace std"
[stmt.ranged] Fix terminal formatting in BNF.
[stmt.ranged] Change italics to grammarterm.
Merge pull request #423 from asutton/master

[stmt.ranged] Minor editorial issues
Merge pull request #2 from cplusplus/master

update