Re: [css-text] I18N-ISSUE-333: 'letter-spacing' and Arabic

On Jan 26, 2014, at 1:30 AM, Jonathan Kew <> wrote:

> While letter-spacing should not break Arabic cursive connection, it probably *should* break optional stylistic ligatures such as lam-meem that some fonts may use by default. Only mandatory ligatures (i.e. lam-alef) that are a fixed requirement of the script's shaping behavior would be expected to be preserved in letter-spaced text.

We have the following text[1]:

> When the effective letter-spacing between two characters is not zero (due to either justification or non-zero computed ‘letter-spacing’), user agents should not apply optional ligatures.

I suppose this clarifies your concern, please let me know if not.



Received on Wednesday, 23 April 2014 07:59:00 UTC