Improved the tags impl regex
Sort trait bounds.

Closes #6334
collections, unicode: Add support for NFC and NFKC
Add comment about speed in FAQ.

Fixes #11174.
Guide: pointers

Not the pointer guide, but the guide section on pointers.

Adding a section about patterns for after this, as well.
Be more consistent with "Hello, world!"
Correct RFC reference in time::Tm::rfc3339 docs

Fixes #16158
Change strptime::match_strs to use borrowed rather than owned strings

Also modernise a few constructs in match_strs().
Fix API docs css reversing elements that it shouldn't

remove unneeded `pre.rust a' selector

move transform into `.test-arrow`

fixes #16138
Use hello_world instead of the guessing_game
Move caret under the 'x' variabe
collections: Implement Eq for DList, RingBuf, TreeMap, TreeSet
collections: Implement Ord for DList, RingBuf, TreeMap, TreeSet
collections: Implement FromIterator/Extendable for BitvSet
Fix misspelled comments.
mk: Add missing colon
auto merge of #16119 : steveklabnik/rust/guide_pointers, r=brson

This is the next section of the guide, and it's on pointers. It's not done yet, as I need to write the section on ownership and borrowing, but I figured I'd share the rest now, to get feedback on the rest of it while I take some time to get that right.
doc: Make sure all doc titles say 'Rust'. #12466
Fix alignment tests for ARM on Linux. #14848
auto merge of #16128 : steveklabnik/rust/speed_faq, r=brson

Fixes #11174.

I'm open to revising this text, but I figured it gets across the basics.