1 files changed, 6 insertions, 0 deletions
diff --git a/lib/rdoc/text.rb b/lib/rdoc/text.rb
index 0bc4aba428..6f1a2b8d15 100644
--- a/lib/rdoc/text.rb
+++ b/lib/rdoc/text.rb
@@ -309,4 +309,10 @@ module RDoc::Text
     res.join.strip
   end
 
+  ##
+  # Character class to be separated by a space when concatenating
+  # lines.
+
+  SPACE_SEPARATED_LETTER_CLASS = /[\p{Nd}\p{Lc}\p{Pc}]/
+
 end