           ==|=: xxx: ---: xxx: ==|=:
           xxx: ---: ==|=: ==|=:
 
+          """
+
+    describe "O modifier", ->
+      beforeEach ->
+        set
+          textC: """
+
+          camelCa|se Cases
+          "CaseStudy" SnakeCase
+          UP_CASE
+
+          other ParagraphCase
+          """
+      it "delete subword-occurrence in paragraph and repeatable", ->
+        ensure "d O p",
+          textC: """
+
+          camel| Cases
+          "Study" Snake
+          UP_CASE
+
+          other ParagraphCase
+          """
+        ensure "G .",
+          textC: """
+
+          camel Cases
+          "Study" Snake
+          UP_CASE
+
+          |other Paragraph
           """
 
     describe "apply various operator to occurrence in various target", ->

            mode: 'operator-pending'
          ensure "j",
           selectedText: ["ooo", "ooo", "ooo", "ooo", "ooo", "ooo"]


        """

    describe "o modifier", ->
      it "change occurrence of cursor word in inner-paragraph", ->
        set cursor: [1, 0]
        ensure "c o i p",
