load_subtree(): check that `prefix_len` is in the expected range

diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt
index b758d5556caaeeb0a439d67c46100e5fa0d34cd4..04fdd8cf086db6413a01421c306a80c9583f7fa4 100644 (file)
--- a/Documentation/git-merge.txt
+++ b/Documentation/git-merge.txt
@@ -13,8 +13,8 @@ SYNOPSIS
        [-s <strategy>] [-X <strategy-option>] [-S[<keyid>]]
        [--[no-]allow-unrelated-histories]
        [--[no-]rerere-autoupdate] [-m <msg>] [<commit>...]
-'git merge' <msg> HEAD <commit>...
 'git merge' --abort
+'git merge' --continue
 
 DESCRIPTION
 -----------
@@ -45,11 +45,7 @@ a log message from the user describing the changes.
     D---E---F---G---H master
 ------------
 
-The second syntax (<msg> `HEAD` <commit>...) is supported for
-historical reasons.  Do not use it from the command line or in
-new scripts.  It is the same as `git merge -m <msg> <commit>...`.
-
-The third syntax ("`git merge --abort`") can only be run after the
+The second syntax ("`git merge --abort`") can only be run after the
 merge has resulted in conflicts. 'git merge --abort' will abort the
 merge process and try to reconstruct the pre-merge state. However,
 if there were uncommitted changes when the merge started (and
@@ -61,6 +57,8 @@ reconstruct the original (pre-merge) changes. Therefore:
 discouraged: while possible, it may leave you in a state that is hard to
 back out of in the case of a conflict.
 
+The fourth syntax ("`git merge --continue`") can only be run after the
+merge has resulted in conflicts.
 
 OPTIONS
 -------
@@ -99,6 +97,11 @@ commit or stash your changes before running 'git merge'.
 'git merge --abort' is equivalent to 'git reset --merge' when
 `MERGE_HEAD` is present.
 
+--continue::
+       After a 'git merge' stops due to conflicts you can conclude the
+       merge by running 'git merge --continue' (see "HOW TO RESOLVE
+       CONFLICTS" section below).
+
 <commit>...::
        Commits, usually other branch heads, to merge into our branch.
        Specifying more than one commit will create a merge with