Rollup of 5 pull requests#40302

Closed

GuillaumeGomez wants to merge 11 commits intorust-lang:masterfrom

GuillaumeGomez:rollup

Commits on Mar 4, 2017

Commits on Mar 5, 2017

clarify docs for Args and ArgsOs
oconnor663
committed

Commits on Mar 6, 2017

Issue #39688 - Help people find String::as_bytes() for UTF-8 r? @steveklabnik
jdhorwitz
committed
Fix text formatting in README
mmatyas
committed
Remove extra space in test description (of a mod test)
malbarbo
committed
Rollup merge of #40222 - steveklabnik:extract-nomicon, r=alexcrichton
GuillaumeGomez
authored
Rollup merge of #40226 - jdhorwitz:master, r=frewsxcv
GuillaumeGomez
authored
Rollup merge of #40283 - oconnor663:args_docs, r=alexcrichton
GuillaumeGomez
authored
Rollup merge of #40292 - mmatyas:readme_fix, r=alexcrichton
GuillaumeGomez
authored
Rollup merge of #40293 - malbarbo:rustdoctest, r=alexcrichton
GuillaumeGomez
authored