unicode.rb in characteristics-0.8.0

- old
+ new

@@ -1,9 +1,12 @@
 # frozen_string_literal: true
 
 require "unicode/categories"
 
 class UnicodeCharacteristics < Characteristics
+  # Note that this list is maintained by hand and might not cover the latest Unicode updates
+  # Please open an issue or pull request is you find another character that is rendered invisible:
+  # - https://github.com/janlelis/characteristics/issues/new
   BLANKS = [
     0x0009,
     0x0020,
     0x00AD,
     0x034F,