[PATCH 3 of 5] histedit: add doctext for addhisteditaction verbs

[timeless]

# HG changeset patch
# User timeless <timeless at mozdev.org>
# Date 1450850512 0
#      Wed Dec 23 06:01:52 2015 +0000
# Node ID b12320611f96ae46d8b7faa6436a2480792fdef1
# Parent  43cbe5d791b17d07857ec3791bb7611e737ec6c4
histedit: add doctext for addhisteditaction verbs

diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -605,6 +605,7 @@
 
 @addhisteditaction(['pick', 'p'])
 class pick(histeditaction):
+    """use commit"""
     def run(self):
         rulectx = self.repo[self.node]
         if rulectx.parents()[0].node() == self.state.parentctxnode:
@@ -615,6 +616,7 @@
 
 @addhisteditaction(['edit', 'e'])
 class edit(histeditaction):
+    """use commit, but stop for amending"""
     def run(self):
         repo = self.repo
         rulectx = repo[self.node]
@@ -630,6 +632,7 @@
 
 @addhisteditaction(['fold', 'f'])
 class fold(histeditaction):
+    """use commit, but combine it with the one above"""
     def continuedirty(self):
         repo = self.repo
         rulectx = repo[self.node]
@@ -723,6 +726,7 @@
         return repo[n], replacements
 
 class base(histeditaction):
+    """checkout changeset and apply further changesets from there"""
     def constraints(self):
         return set([_constraints.forceother])
 
@@ -754,6 +758,7 @@
 
 @addhisteditaction(["roll", "r"])
 class rollup(fold):
+    """like fold, but discard this commit's description"""
     def mergedescs(self):
         return False
 
@@ -762,12 +767,14 @@
 
 @addhisteditaction(["drop", "d"])
 class drop(histeditaction):
+    """remove commit from history"""
     def run(self):
         parentctx = self.repo[self.state.parentctxnode]
         return parentctx, [(self.node, tuple())]
 
 @addhisteditaction(["mess", "m"])
 class message(histeditaction):
+    """edit commit message without changing commit content"""
     def commiteditor(self):
         return cmdutil.getcommiteditor(edit=True, editform='histedit.mess')