[PATCH v2 1/4] CodingGuidelines: allow grep -E

[Đoàn Trần Công Danh <congdanhqx@xxxxxxxxx>]

Despite forbidden by CodingGuidelines, our usage of 'grep -E' has been
increased over the years, and noone has come and complained.

Let's lift the restriction.

Signed-off-by: Đoàn Trần Công Danh <congdanhqx@xxxxxxxxx>
---
 Documentation/CodingGuidelines | 2 --
 1 file changed, 2 deletions(-)

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index 9fca21cc5f..cb7a367ea0 100644
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -162,8 +162,6 @@ For shell scripts specifically (not exhaustive):
 
    - We do not use \{m,n\};
 
-   - We do not use -E;
-
    - We do not use ? or + (which are \{0,1\} and \{1,\}
      respectively in BRE) but that goes without saying as these
      are ERE elements not BRE (note that \? and \+ are not even part
-- 
2.38.0.rc0