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-rw-r--r--lib/banzai/filter/front_matter_filter.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/banzai/filter/front_matter_filter.rb b/lib/banzai/filter/front_matter_filter.rb
index a27d18facd1..544231adea4 100644
--- a/lib/banzai/filter/front_matter_filter.rb
+++ b/lib/banzai/filter/front_matter_filter.rb
@@ -20,7 +20,7 @@ module Banzai
\s*
^\k<delim> # closing front matter marker
\s*
- }mx
+ }mx.freeze
def call
html.sub(PATTERN) do |_match|