Intent to unship: -moz-prefixed multi-column properties and -moz-column-gap
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Ting-Yu Lin 林庭宇
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Jan 21, 2020, 2:10:06 PM1/21/20
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In bug 1308636 [1], I plan to unship all -moz-prefixed multi-column
properties defined in CSS Multi-column spec [2] and -moz-column-gap [3].
We've shipped column-span in Firefox 71 [4] and completed the support of
all the properties in the multi-column spec. Other standard properties have
been shipped since Firefox 52 [5]. We now have a solid foundation to unship
the prefixed ones.
I added a new pref "layout.css.prefixes.columns" and set its default value
to "false" to guard the prefixed properties behind. If any serious
web-compat issues arise, we can have those prefixed properties back.