t4017 (diff-retval): replace manual exit code check with test_expect_code

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 8fdd8e1e42789a5afd01a23d6c1739f96272cebe..dab0a78fa890d0c0cd193d89b7f4ac9ed19fb001 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -14,7 +14,7 @@ SYNOPSIS
           [-E | --extended-regexp] [-G | --basic-regexp]
           [-F | --fixed-strings] [-n]
           [-l | --files-with-matches] [-L | --files-without-match]
-          [-O | --open-files-in-pager]
+          [(-O | --open-files-in-pager) [<pager>]]
           [-z | --null]
           [-c | --count] [--all-match] [-q | --quiet]
           [--max-depth <depth>]
@@ -105,8 +105,8 @@ OPTIONS
        For better compatibility with 'git diff', `--name-only` is a
        synonym for `--files-with-matches`.
 
--O::
---open-files-in-pager::
+-O [<pager>]::
+--open-files-in-pager [<pager>]::
        Open the matching files in the pager (not the output of 'grep').
        If the pager happens to be "less" or "vi", and the user
        specified only one pattern, the first file is positioned at
@@ -191,11 +191,11 @@ OPTIONS
 Examples
 --------
 
-git grep 'time_t' -- '*.[ch]'::
+git grep {apostrophe}time_t{apostrophe} \-- {apostrophe}*.[ch]{apostrophe}::
        Looks for `time_t` in all tracked .c and .h files in the working
        directory and its subdirectories.
 
-git grep -e \'#define\' --and \( -e MAX_PATH -e PATH_MAX \)::
+git grep -e {apostrophe}#define{apostrophe} --and \( -e MAX_PATH -e PATH_MAX \)::
        Looks for a line that has `#define` and either `MAX_PATH` or
        `PATH_MAX`.