git-shortlog.txt: include commit limiting options

git-shortlog, like git-log, supports options to filter what commits are
used to generate the log. These options come from git-rev-list, and are
documented in Documentation/rev-list-options.txt. Include those options
in shortlog's documentation.

But since rev-list-options.txt contains some other options that don't
really apply in the context of shortlog (like diff formatting, commit
ordering, etc), add a switch in rev-list-options.txt that excludes those
sections from the shortlog documentation. To be more specific, include
only the "Commit Limiting" and "History Simplification" sections.

Signed-off-by: Pratyush Yadav <me@yadavpratyush.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-shortlog.txt

@@ -76,6 +76,9 @@ them.
 Paths may need to be prefixed with `--` to separate them from
 options or the revision range, when confusion arises.
 
+:git-shortlog: 1
+include::rev-list-options.txt[]
+
 MAPPING AUTHORS
 ---------------
 

Documentation/rev-list-options.txt

@@ -579,6 +579,7 @@ above) if (1) they are referenced by tags, or (2) they change the
 contents of the paths given on the command line.  All other
 commits are marked as TREESAME (subject to be simplified away).
 
+ifndef::git-shortlog[]
 ifdef::git-rev-list[]
 Bisection Helpers
 ~~~~~~~~~~~~~~~~~
@@ -634,8 +635,9 @@ This option can be used along with `--bisect-vars`, in this case,
 after all the sorted commit objects, there will be the same text as if
 `--bisect-vars` had been used alone.
 endif::git-rev-list[]
+endif::git-shortlog[]
 
-
+ifndef::git-shortlog[]
 Commit Ordering
 ~~~~~~~~~~~~~~~
 
@@ -677,7 +679,9 @@ together.
 	Output the commits chosen to be shown (see Commit Limiting
 	section above) in reverse order. Cannot be combined with
 	`--walk-reflogs`.
+endif::git-shortlog[]
 
+ifndef::git-shortlog[]
 Object Traversal
 ~~~~~~~~~~~~~~~~
 
@@ -801,7 +805,9 @@ endif::git-rev-list[]
 
 --do-walk::
 	Overrides a previous `--no-walk`.
+endif::git-shortlog[]
 
+ifndef::git-shortlog[]
 Commit Formatting
 ~~~~~~~~~~~~~~~~~
 
@@ -957,7 +963,9 @@ ifdef::git-rev-list[]
 	counts and print the count for equivalent commits separated
 	by a tab.
 endif::git-rev-list[]
+endif::git-shortlog[]
 
+ifndef::git-shortlog[]
 ifndef::git-rev-list[]
 Diff Formatting
 ~~~~~~~~~~~~~~~
@@ -1000,3 +1008,4 @@ options may be given. See linkgit:git-diff-files[1] for more options.
 -t::
 	Show the tree objects in the diff output. This implies `-r`.
 endif::git-rev-list[]
+endif::git-shortlog[]