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-rw-r--r--lib/gitlab/markup_helper.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/gitlab/markup_helper.rb b/lib/gitlab/markup_helper.rb
index 22bd58290f8..49285e35251 100644
--- a/lib/gitlab/markup_helper.rb
+++ b/lib/gitlab/markup_helper.rb
@@ -41,7 +41,7 @@ module Gitlab
#
# Returns boolean
def plain?(filename)
- extension(filename) == 'txt' || filename.downcase == 'readme'
+ extension(filename) == 'txt' || filename.casecmp('readme').zero?
end
def previewable?(filename)