--- a/mercurial/commands.py Wed Jul 11 21:51:47 2018 +0900
+++ b/mercurial/commands.py Wed Jul 11 22:06:04 2018 +0900
@@ -2515,12 +2515,11 @@
Search revision history for a regular expression in the specified
files or the entire project.
- By default, grep searches the expression on the working directory.
- To search history and show the most recent revision number for each
- file in which it finds a match, use :hg:`grep -r tip:0`.
- To get it to print every revision that contains a change in match status
- ("-" for a match that becomes a non-match, or "+" for a non-match that
- becomes a match), use the --diff flag.
+ By default, grep prints the most recent revision number for each
+ file in which it finds a match. To get it to print every revision
+ that contains a change in match status ("-" for a match that becomes
+ a non-match, or "+" for a non-match that becomes a match), use the
+ --diff flag.
PATTERN can be any Python (roughly Perl-compatible) regular
expression.