pager: document the 'pager' config section
There as a 'hg help pager' section but the 'hg help config.pager' was missing.
--- a/mercurial/help/config.txt Mon May 01 16:36:30 2017 +0200
+++ b/mercurial/help/config.txt Mon May 01 16:52:11 2017 +0200
@@ -1361,6 +1361,27 @@
the executable name of the tool.
(default: None)
+``pager``
+---------
+
+Setting used to control when to paginate and with what external tool. See
+:hg:`help pager` for details.
+
+``pager``
+ Define the external tool used as pager.
+
+ If no pager is set, Mercurial uses the environment variable $PAGER.
+ If neither pager.pager, nor $PAGER is set, a default pager will be
+ used, typically `less` on Unix and `more` on Windows. Example::
+
+ [pager]
+ pager = less -FRX
+
+``ignore``
+ List of commands to disable the pager for. Example::
+
+ [pager]
+ ignore = version, help, update
``patch``
---------