[css-gaps-1] Computed value of row-rule-width when row-rule-style is none or hidden

[kbabbitt]

Per CSS Multicol 1, if column-rule-style is none or hidden, then the computed value of column-rule-width will be 0.

Gaps 1 contains text to preserve this behavior for backwards compatibility. Gaps 1 also introduces corresponding new properties in the row direction. Should this relationship between column-rule-style and column-rule-width be carried over into the row properties?

[css-meeting-bot]

The CSS Working Group just discussed [css-gaps-1] Computed value of row-rule-width when row-rule-style is none or hidden, and agreed to the following:

• RESOLVED: don't apply the hidden/none quirk to row-rule, for reasons in #11494

The full IRC log of that discussion

<TabAtkins> kbabbitt: similar question to previous
<TabAtkins> kbabbitt: do we want to carry the back-compat beahvior over to the new row-rule-* properties
<TabAtkins> kbabbitt: guessing the answer is no
<TabAtkins> kbabbitt: seems we're leaning toward preserving the author-exposed value, with minimal back-compat
<TabAtkins> kbabbitt: so we don't apply to the row props
<TabAtkins> astearns: so proposed is "don't apply the hidden/none quirk to row-rule, for reasons in 11494"
<TabAtkins> RESOLVED: don't apply the hidden/none quirk to row-rule, for reasons in #11494