diff --git a/library/io/styles.facts b/library/io/styles.facts
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+USING: help styles io ;
+
+HELP: plain f
+{ $description "A value for the " { $link font-style } " character style denoting plain text." } ;
+
+HELP: bold f
+{ $description "A value for the " { $link font-style } " character style denoting boldface text." } ;
+
+HELP: italic f
+{ $description "A value for the " { $link font-style } " character style denoting italicized text." } ;
+
+HELP: bold-italic f
+{ $description "A value for the " { $link font-style } " character style denoting boldface italicized text." } ;
+
+HELP: foreground f
+{ $description "Character style. Text color, denoted by a sequence of four numbers between 0 and 1 (red, green, blue and alpha)." } 
+{ $examples
+    { $code
+        "\"Hello world\" 10 ["
+            "    { 0.1 0.1 0.2 1 } n*v { 1 1 1 1 } vmin"
+            "    foreground associate format terpri"
+        "] each-with"
+    }
+} ;
+
+HELP: background f
+{ $description "Character style. Background color, denoted by a sequence of four numbers between 0 and 1 (red, green, blue and alpha)." }
+{ $examples
+    { $code
+        "\"Hello world\" 10 ["
+            "    { 0.1 0.4 0.1 } n*v { 1 1 1 } vmin { 1 } append"
+            "    background associate format terpri"
+        "] each-with"
+    }
+} ;
+
+HELP: font f
+{ $description "Character style. Font family named by a string." }
+{ $examples
+    "This example outputs some different font sizes:"
+    { $code "{ \"Monospaced\" \"Serif\" \"Sans Serif\" }\n[ dup font associate format terpri ] each" }
+} ;
+
+HELP: font-size f
+{ $description "Character style. Font size, an integer." }
+{ $examples
+    "This example outputs some different font sizes:"
+    { $code "\"Bigger\" { 12 18 24 72 }\n[ font-size associate format terpri ] each-with" }
+}  ;
+
+HELP: font-style f
+{ $description "Character style. Font style, one of " { $link plain } ", " { $link bold } ", " { $link italic } ", or " { $link bold-italic } "." }
+{ $examples
+    "This example outputs text in all three styles:"
+    { $code "{ plain bold italic bold-italic }\n[ [ word-name ] keep font-style associate format terpri ] each" }
+}  ;
+
+HELP: presented f
+{ $description "Character and paragraph style. An object associated with the text. In the Factor UI, this is shown as a clickable presentation of the object; left-clicking invokes a default command, and right-clicking shows a menu of commands." }
+{ $see-also simple-object write-object } ;
+
+HELP: file f
+{ $description "Character style. A pathname associated with the text. In the Factor HTTP server, this is rendered as a link to this path on the server." } ;
+
+HELP: word-break f
+{ $description "Character style. Denotes that this text is a point in the text where the line can be wrapped." }
+{ $see-also bl } ;
+
+HELP: page-color f
+{ $description "Paragraph style. Background color of the paragraph block, denoted by a sequence of four numbers between 0 and 1 (red, green, blue and alpha)." } 
+{ $examples
+    { $code "H{ { page-color { 1 0.8 0.5 1 } } }\n[ \"A background\" write ] with-nesting terpri" }
+} ;
+
+HELP: border-color f
+{ $description "Paragraph style. Border color of the paragraph block, denoted by a sequence of four numbers between 0 and 1 (red, green, blue and alpha)." } 
+{ $examples
+    { $code "H{ { border-color { 1 0 0 1 } } }\n[ \"A border\" write ] with-nesting terpri" }
+} ;
+
+HELP: border-width f
+{ $description "Paragraph style. Pixels between edge of text and border color, an integer." } 
+{ $examples
+    { $code "H{ { border-width 10 } }\n[ \"Some inset text\" write ] with-nesting terpri" }
+} ;
+
+HELP: wrap-margin f
+{ $description "Paragraph style. Pixels between left margin and right margin where text is wrapped, an integer." }
+{ $see-also bl } ;
+
+HELP: outline f
+{ $description "Paragraph style. In the Factor UI, a quotation executed to produce outliner content when the outliner widget next to the paragraph block is expanded." }
+{ $see-also simple-outliner write-outliner } ;
+
+HELP: input f
+{ $description "A wrapper class. In the Factor UI, presentations of this class are output as blocks of text which insert themselves in the listener's input area when clicked." }
+{ $examples
+    "This presentation class is used for the code examples you see in the online help:"
+    { $code "\"2 3 + .\" dup <input> simple-object terpri" }
+} ;