[PATCH 06 of 11 V5] merge: clarify non-linear default updates in docstring table

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at google.com>
# Date 1488238174 28800
#      Mon Feb 27 15:29:34 2017 -0800
# Node ID 5fe59a06b365dcb9c399ffbb0b64d985b53f2745
# Parent  e1f1afc6f1c31748077da2abe2a7b613eef17914
merge: clarify non-linear default updates in docstring table

Non-linear updates won't happen by default, regardless of -c/-C.

diff -r e1f1afc6f1c3 -r 5fe59a06b365 mercurial/merge.py
--- a/mercurial/merge.py	Mon Feb 27 15:02:36 2017 -0800
+++ b/mercurial/merge.py	Mon Feb 27 15:29:34 2017 -0800
@@ -1464,13 +1464,13 @@
     The table below shows all the behaviors of the update command
     given the -c and -C or no options, whether the working directory
     is dirty, whether a revision is specified, and the relationship of
-    the parent rev to the target rev (linear or not).
+    the parent rev to the target rev (linear or not). Match from top first.
 
     This logic is tested by test-update-branches.t.
 
     -c  -C  dirty  rev  linear  |  result
      y   y    *     *     *     |    (1)
-     n   n    *     n     n     |     x
+     *   *    *     n     n     |     x
      n   n    n     n     y     |    ok
      n   n    n     y     *     |    ok
      n   n    y     n     y     |   merge