git-help: add -w|--web option to display html man page in a browser.

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index b1f528ae8864e429a509365a79d16bb8341620e1..e4af393515c346528bccb7a4f2d3823aebddddfc 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -1,5 +1,25 @@
+// Please don't remove this comment as asciidoc behaves badly when
+// the first non-empty line is ifdef/ifndef. The symptom is that
+// without this comment the <git-diff-core> attribute conditionally
+// defined below ends up being defined unconditionally.
+// Last checked with asciidoc 7.0.2.
+
+ifndef::git-format-patch[]
+ifndef::git-diff[]
+:git-diff-core: 1
+endif::git-diff[]
+endif::git-format-patch[]
+
+ifdef::git-format-patch[]
 -p::
-       Generate patch (see section on generating patches)
+       Generate patches without diffstat.
+endif::git-format-patch[]
+
+ifndef::git-format-patch[]
+-p::
+       Generate patch (see section on generating patches).
+       {git-diff? This is the default.}
+endif::git-format-patch[]
 
 -u::
        Synonym for "-p".
@@ -13,6 +33,7 @@
 
 --raw::
        Generate the raw format.
+       {git-diff-core? This is the default.}
 
 --patch-with-raw::
        Synonym for "-p --raw".
@@ -41,6 +62,7 @@
 
 --patch-with-stat::
        Synonym for "-p --stat".
+       {git-format-patch? This is the default.}
 
 -z::
        NUL-line termination on output.  This affects the --raw