Merge branch 'en/docfixes'

Documentation typo and grammo fixes.

* en/docfixes: (25 commits)
  documentation: add missing parenthesis
  documentation: add missing quotes
  documentation: add missing fullstops
  documentation: add some commas where they are helpful
  documentation: fix whitespace issues
  documentation: fix capitalization
  documentation: fix punctuation
  documentation: use clearer prepositions
  documentation: add missing hyphens
  documentation: remove unnecessary hyphens
  documentation: add missing article
  documentation: fix choice of article
  documentation: whitespace is already generally plural
  documentation: fix singular vs. plural
  documentation: fix verb vs. noun
  documentation: fix adjective vs. noun
  documentation: fix verb tense
  documentation: employ consistent verb tense for a list
  documentation: fix subject/verb agreement
  documentation: remove extraneous words
  ...

diff --cc Documentation/config/gc.txt
Simple merge

diff --cc Documentation/diff-options.txt
Simple merge

diff --cc Documentation/git-repack.txt
Simple merge

diff --cc Documentation/git-status.txt
index 48f46eb2047375716ff9f7f30c5a247511a3901f,51f38218f0d7eb9927b70404b6809c55a1a43a3d..10fecc51a75d4783c68565d25302c50480d626ce
--- 1/Documentation/git-status.txt
--- 2/Documentation/git-status.txt
+++ b/Documentation/git-status.txt
@@@ -246,11 -246,12 +246,11 @@@ U           U    unmerged, both modifie
  
  Submodules have more state and instead report
  
 -              M    the submodule has a different HEAD than
 -                   recorded in the index
 -              m    the submodule has modified content
 -              ?    the submodule has untracked files
 +* 'M' = the submodule has a different HEAD than recorded in the index
 +* 'm' = the submodule has modified content
 +* '?' = the submodule has untracked files
  
- since modified content or untracked files in a submodule cannot be added
+ This is since modified content or untracked files in a submodule cannot be added
  via `git add` in the superproject to prepare a commit.
  
  'm' and '?' are applied recursively. For example if a nested submodule