Unsupported features in CSS 2.1

Prince 7.1 supports nearly all of CSS 2.1. The remaining unsupported features are listed below.

Syntax

CSS style sheets must use ASCII or UTF-8; other encodings are not supported. (Note that this does not apply to CSS rules within XML or HTML documents).

Basic Data Types

Prince treats 1ex equivalent to 0.5em, which is incorrect for some fonts.

Selectors

Prince does not support the ::first-line pseudo-element.

Lists

Prince does not support the following list style types: armenian, georgian.

Generated Content

Prince does not support the quotes property or the open-quote and close-quote content values.

Text

Prince does not support vertical text.

Visual Effects

Prince does not support visibility: collapse.