Improve the section for Lambda and Function Literal

Because, in D, "Lambda" is a kind of function literal.
fix Issue 10848 - Compiler should always try to inlining a direct lambda call
Merge pull request #1 from D-Programming-Language/master

merge the Main:master to Passw:master
Merge pull request #2 from D-Programming-Language/master

Merge from D-Programming-Language:master to Pass:master
update the compiler dowload link

1.http://dlang.org/download.html
we see that the version is 2.064.2

2.http://dlang.org/dmd-linux.html
when we click the 'Download D Compiler', go to this page
http://www.digitalmars.com/d/download.html
the version is 2.063.2
Merge pull request #462 from s-ludwig/master

DDOX based docs fixes and additions
Merge pull request #372 from 9rnsr/fix10848

[enh] Issue 10848 - Compiler should always try to inlining a direct lambda call
Fix bug in .cloned target
Update dbc.dd

square_root(9) shall not return 2 (previous contract allows that)
Merge pull request #464 from andralex/clone

Fix bug in .cloned target
Merge pull request #465 from tcoserea/patch-1

Update dbc.dd
fix typo
Merge pull request #466 from majiang/patch-1

fix typo
Change __attribute -> __attribute__
Split rows for supported vector operators and assignment operators
Add 256-bit vector types and supported operators table
Merge pull request #467 from ibuclaw/simd256

Document 256-bit vector types and supported operators.
detab GRAMMAR section
Remove V1 and V2
Sync grammar of `TraitsKeyword` (issue 11711 fix)