update markdown/help header format
Since gitiles recommends using # headers over ---/=== underlines,
change the manifest-format.md over and all our help texts.
Change-Id: I96391d41fba769e9f26870d497cf7cf01c8d8ab3
diff --git a/subcmds/grep.py b/subcmds/grep.py
index dd391cf..1157355 100644
--- a/subcmds/grep.py
+++ b/subcmds/grep.py
@@ -33,8 +33,7 @@
helpDescription = """
Search for the specified patterns in all project files.
-Boolean Options
----------------
+# Boolean Options
The following options can appear as often as necessary to express
the pattern to locate:
@@ -47,8 +46,7 @@
than one tree, only the first result is reported, prefixed by the
revision name it was found under.
-Examples
--------
+# Examples
Look for a line that has '#define' and either 'MAX_PATH or 'PATH_MAX':