Add corner case tests for diff-index and diff-files

diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt
index 331f161c7769dfe5678bb79d11e72427a21f7bec..c11bb7d36c39899d782f8c2d3f87b5a59178840a 100644 (file)
--- a/Documentation/blame-options.txt
+++ b/Documentation/blame-options.txt
@@ -9,8 +9,28 @@
 --show-stats::
        Include additional statistics at the end of blame output.
 
--L n,m::
-       Annotate only the specified line range (lines count from 1).
+-L <start>,<end>::
+       Annotate only the given line range.  <start> and <end> can take
+       one of these forms:
+
+       - number
++
+If <start> or <end> is a number, it specifies an
+absolute line number (lines count from 1).
++
+
+- /regex/
++
+This form will use the first line matching the given
+POSIX regex.  If <end> is a regex, it will search
+starting at the line given by <start>.
++
+
+- +offset or -offset
++
+This is only valid for <end> and will specify a number
+of lines before or after the line given by <start>.
++
 
 -l::
        Show long rev (Default: off).
@@ -19,7 +39,7 @@
        Show raw timestamp (Default: off).
 
 -S <revs-file>::
-       Use revs from revs-file instead of calling gitlink:git-rev-list[1].
+       Use revs from revs-file instead of calling linkgit:git-rev-list[1].
 
 -p, --porcelain::
        Show in a format designed for machine consumption.
@@ -32,7 +52,7 @@
        When <rev> is not specified, the command annotates the
        changes starting backwards from the working tree copy.
        This flag makes the command pretend as if the working
-       tree copy has the contents of he named file (specify
+       tree copy has the contents of the named file (specify
        `-` to make the command read from the standard input).
 
 -M|<num>|::
@@ -44,11 +64,11 @@
        assigns blame to the lines that were moved down (i.e. A)
        to the child commit.  With this option, both groups of lines
        are blamed on the parent.
-
-       <num> is optional but it is the lower bound on the number of
-       alphanumeric characters that git must detect as moving
-       within a file for it to associate those lines with the parent
-       commit.
++
+<num> is optional but it is the lower bound on the number of
+alphanumeric characters that git must detect as moving
+within a file for it to associate those lines with the parent
+commit.
 
 -C|<num>|::
        In addition to `-M`, detect lines copied from other
@@ -57,11 +77,11 @@
        around across files.  When this option is given twice,
        the command looks for copies from all other files in the
        parent for the commit that creates the file in addition.
-
-       <num> is optional but it is the lower bound on the number of
-       alphanumeric characters that git must detect as moving
-       between files for it to associate those lines with the parent
-       commit.
++
+<num> is optional but it is the lower bound on the number of
+alphanumeric characters that git must detect as moving
+between files for it to associate those lines with the parent
+commit.
 
 -h, --help::
        Show help message.