do_for_each_reflog(): use a strbuf to hold logfile name

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 9f7cba2be6a97cb85072d22b3317d37d1afe80bf..378f19f0e21d57378cd1913445552456e09b4e51 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -52,14 +52,23 @@ endif::git-format-patch[]
 --patience::
        Generate a diff using the "patience diff" algorithm.
 
+--histogram::
+       Generate a diff using the "histogram diff" algorithm.
+
 --stat[=<width>[,<name-width>[,<count>]]]::
-       Generate a diffstat.  You can override the default
-       output width for 80-column terminal by `--stat=<width>`.
-       The width of the filename part can be controlled by
-       giving another width to it separated by a comma.
+       Generate a diffstat. By default, as much space as necessary
+       will be used for the filename part, and the rest for the graph
+       part. Maximum width defaults to terminal width, or 80 columns
+       if not connected to a terminal, and can be overriden by
+       `<width>`. The width of the filename part can be limited by
+       giving another width `<name-width>` after a comma. The width
+       of the graph part can be limited by using
+       `--stat-graph-width=<width>` (affects all commands generating
+       a stat graph) or by setting `diff.statGraphWidth=<width>`
+       (does not affect `git format-patch`).
        By giving a third parameter `<count>`, you can limit the
-       output to the first `<count>` lines, followed by
-       `...` if there are more.
+       output to the first `<count>` lines, followed by `...` if
+       there are more.
 +
 These parameters can also be set individually with `--stat-width=<width>`,
 `--stat-name-width=<name-width>` and `--stat-count=<count>`.
@@ -156,11 +165,12 @@ any of those replacements occurred.
        of the `--diff-filter` option on what the status letters mean.
 
 --submodule[=<format>]::
-       Chose the output format for submodule differences. <format> can be one of
-       'short' and 'log'. 'short' just shows pairs of commit names, this format
-       is used when this option is not given. 'log' is the default value for this
-       option and lists the commits in that commit range like the 'summary'
-       option of linkgit:git-submodule[1] does.
+       Specify how differences in submodules are shown.  When `--submodule`
+       or `--submodule=log` is given, the 'log' format is used.  This format lists
+       the commits in the range like linkgit:git-submodule[1] `summary` does.
+       Omitting the `--submodule` option or specifying `--submodule=short`,
+       uses the 'short' format. This format just shows the names of the commits
+       at the beginning and end of the range.
 
 --color[=<when>]::
        Show colored diff.