regexp/syntax: use standard generated code header

Updates doc by running these commands:
  - mksyntaxgo from the google/re2 repo, which changes comment according
    to https://golang.org/s/generatedcode
  - gofmt -w regexp/syntax/doc.go

Change-Id: I66a9dd9fa841cbce899ab3aa32d7face798d2920
Reviewed-on: https://go-review.googlesource.com/c/go/+/572275
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>

diff --git a/src/regexp/syntax/doc.go b/src/regexp/syntax/doc.go
index abc58bb15924e0d1c9ddbbcdf36f60fb52fea726..877f1043ddda8b4ead01122d7e9131ceb92fa98c 100644 (file)
--- a/src/regexp/syntax/doc.go
+++ b/src/regexp/syntax/doc.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// DO NOT EDIT. This file is generated by mksyntaxgo from the RE2 distribution.
+// Code generated by mksyntaxgo from the RE2 distribution. DO NOT EDIT.
 
 /*
 Package syntax parses regular expressions into parse trees and compiles