Merge branch 'ta/doc-cleanup' into maint

diff --git a/Documentation/git-fast-import.txt b/Documentation/git-fast-import.txt
index 2620d28b4b38ed3f57ee426e27a2115db8160343..d1844ead4a4883cc31447c20763b61091f66ed8e 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
@@ -488,7 +494,9 @@ 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
@@ -554,8 +562,12 @@ A `<path>` string must use UNIX-style directory separators (forward
 slash `/`), may contain any byte other than `LF`, and must not
 start with double quote (`"`).
 
-If an `LF` or double quote must be encoded into `<path>` shell-style
-quoting should be used, e.g. `"path/with\n and \" in it"`.
+A path can use C-style string quoting; this is accepted in all cases
+and mandatory if the filename starts with double quote or contains
+`LF`. In C-style quoting, the complete name should be surrounded with
+double quotes, and any `LF`, backslash, or double quote characters
+must be escaped by preceding them with a backslash (e.g.,
+`"path/with\n, \\ and \" in it"`).
 
 The value of `<path>` must be in canonical form. That is it must not:
 
@@ -1047,7 +1059,9 @@ 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`
 ~~~~~~~~