doc: submodule.* config are keyed by submodule names

diff --git a/Documentation/git-fast-import.txt b/Documentation/git-fast-import.txt
index b52dca51336509b4b76633152447c3998dfff6f8..959e4d3aee2c616ec9b12cf84865ade2f2ef7206 100644 (file)
--- a/Documentation/git-fast-import.txt
+++ b/Documentation/git-fast-import.txt
@@ -39,6 +39,10 @@ OPTIONS
        See ``Date Formats'' below for details about which formats
        are supported, and their syntax.
 
+-- done::
+       Terminate with error if there is no 'done' command at the
+       end of the stream.
+
 --force::
        Force updating modified existing branches, even if doing
        so would cause commits to be lost (as the new commit does
@@ -438,7 +442,9 @@ their syntax.
 ^^^^^^
 The `from` command is used to specify the commit to initialize
 this branch from.  This revision will be the first ancestor of the
-new commit.
+new commit.  The state of the tree built at this commit will begin
+with the state at the `from` commit, and be altered by the content
+modifications in this commit.
 
 Omitting the `from` command in the first commit of a new branch
 will cause fast-import to create that commit with no ancestor. This
@@ -479,16 +485,18 @@ current branch value should be written as:
 ----
        from refs/heads/branch^0
 ----
-The `{caret}0` suffix is necessary as fast-import does not permit a branch to
+The `^0` suffix is necessary as fast-import does not permit a branch to
 start from itself, and the branch is created in memory before the
-`from` command is even read from the input.  Adding `{caret}0` will force
+`from` command is even read from the input.  Adding `^0` will force
 fast-import to resolve the commit through Git's revision parsing library,
 rather than its internal branch table, thereby loading in the
 existing value of the branch.
 
 `merge`
 ^^^^^^^
-Includes one additional ancestor commit.  If the `from` command is
+Includes one additional ancestor commit.  The additional ancestry
+link does not change the way the tree state is built at this commit.
+If the `from` command is
 omitted when creating a new branch, the first `merge` commit will be
 the first ancestor of the current commit, and the branch will start
 out with no files.  An unlimited number of `merge` commands per
@@ -979,7 +987,7 @@ Reading from a named tree::
 
 See `filemodify` above for a detailed description of `<path>`.
 
-Output uses the same format as `git ls-tree <tree> {litdd} <path>`:
+Output uses the same format as `git ls-tree <tree> -- <path>`:
 
 ====
        <mode> SP ('blob' | 'tree' | 'commit') SP <dataref> HT <path> LF
@@ -1047,7 +1055,9 @@ done::
        Error out if the stream ends without a 'done' command.
        Without this feature, errors causing the frontend to end
        abruptly at a convenient point in the stream can go
-       undetected.
+       undetected.  This may occur, for example, if an import
+       front end dies in mid-operation without emitting SIGTERM
+       or SIGKILL at its subordinate git fast-import instance.
 
 `option`
 ~~~~~~~~