rtl-reader-view

Vertical reading mode for Firefox. Activate Firefox's reader view and then use this to convert it to top-down, right-to-left.

This is mainly a proof of concept. Not all vertical text CSS rules are supported by Firefox yet: see the draft specification and Styling vertical Chinese, Japanese, Korean and Mongolian text for details.

Usage

See the project page.

Notes

Supported features

• Reader view controls
• Toggle button in reader view
• Scroll direction (wheel, home keys)
• Defaults to ja fonts, overridden by lang=zh
• Vertical punctuation
• text-emphasis on <emp> tags 圏点, 着重号
• Simulated upright 縦中横 (tate chu yoko) for digits: text-combine-upright: digits 4; (native not supported in Firefox)

Unsupported

• Upright list markers
• Underlines on the left: text-underline-position: left;
• Hanging punctuation: hanging-punctuation: end;

Other notes

• Times override for Georgia old-style numerals using @font-face and unicode-range
• Full-width commas in Chinese text are still curly ， instead of being ideographic commas 、

Building index.html

make page
watch -n 0.5 make page