Add CSS page breaking features (#331)

See also: Fyrd/caniuse#7045 (comment)

---------

Co-authored-by: François Daoust <fd@tidoust.net>

features/column-breaks.dist.yml

@@ -0,0 +1,23 @@
+# Generated from: column-breaks.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+name: Column breaks
+description: In columnar layouts (created by the `columns` or `column-count` CSS properties), the `break-after`, `break-before`, `break-inside` properties control where columns start or end.
+spec: https://drafts.csswg.org/css-break-3/#breaking-controls
+status:
+  baseline: false
+  support:
+    chrome: "102"
+    chrome_android: "102"
+    edge: "102"
+compat_features:
+  - css.properties.break-after.multicol_context
+  - css.properties.break-after.multicol_context.avoid
+  - css.properties.break-after.multicol_context.avoid-column
+  - css.properties.break-after.multicol_context.column
+  - css.properties.break-before.multicol_context
+  - css.properties.break-before.multicol_context.avoid
+  - css.properties.break-before.multicol_context.avoid-column
+  - css.properties.break-before.multicol_context.column
+  - css.properties.break-inside.multicol_context
+  - css.properties.break-inside.multicol_context.avoid-column

features/column-breaks.yml

@@ -0,0 +1,14 @@
+name: Column breaks
+description: In columnar layouts (created by the `columns` or `column-count` CSS properties), the `break-after`, `break-before`, `break-inside` properties control where columns start or end.
+spec: https://drafts.csswg.org/css-break-3/#breaking-controls
+compat_features:
+  - css.properties.break-after.multicol_context
+  - css.properties.break-after.multicol_context.avoid
+  - css.properties.break-after.multicol_context.avoid-column
+  - css.properties.break-after.multicol_context.column
+  - css.properties.break-before.multicol_context
+  - css.properties.break-before.multicol_context.avoid
+  - css.properties.break-before.multicol_context.avoid-column
+  - css.properties.break-before.multicol_context.column
+  - css.properties.break-inside.multicol_context
+  - css.properties.break-inside.multicol_context.avoid-column

features/page-breaks.dist.yml

@@ -0,0 +1,31 @@
+# Generated from: page-breaks.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+name: Page breaks
+description: The `break-after`, `break-before`, `break-inside` CSS properties (along with `page-break-` aliases) control where printed pages start and end. Also known as pagination or page breaking.
+spec: https://drafts.csswg.org/css-break-3/#breaking-controls
+caniuse: css-page-break
+# TODO: remove status override when https://github.com/mdn/browser-compat-data/pull/22987 ships
+status:
+  baseline: false
+  support:
+    chrome: "50"
+    chrome_android: "50"
+    edge: "12"
+compat_features:
+  - css.properties.break-after
+  - css.properties.break-after.paged_context
+  - css.properties.break-after.paged_context.page
+  - css.properties.break-before
+  - css.properties.break-before.paged_context
+  - css.properties.break-before.paged_context.page
+  - css.properties.break-inside
+  - css.properties.break-inside.paged_context
+  # `page-break-` are now legacy shorthands
+  # https://drafts.csswg.org/css-break/#page-break-properties
+  - css.properties.page-break-after
+  - css.properties.page-break-after.avoid
+  - css.properties.page-break-before
+  - css.properties.page-break-before.avoid
+  - css.properties.page-break-inside
+  - css.properties.page-break-inside.avoid

features/page-breaks.yml

@@ -0,0 +1,28 @@
+name: Page breaks
+description: The `break-after`, `break-before`, `break-inside` CSS properties (along with `page-break-` aliases) control where printed pages start and end. Also known as pagination or page breaking.
+spec: https://drafts.csswg.org/css-break-3/#breaking-controls
+caniuse: css-page-break
+# TODO: remove status override when https://github.com/mdn/browser-compat-data/pull/22987 ships
+status:
+  baseline: false
+  support:
+    chrome: "50"
+    chrome_android: "50"
+    edge: "12"
+compat_features:
+  - css.properties.break-after
+  - css.properties.break-after.paged_context
+  - css.properties.break-after.paged_context.page
+  - css.properties.break-before
+  - css.properties.break-before.paged_context
+  - css.properties.break-before.paged_context.page
+  - css.properties.break-inside
+  - css.properties.break-inside.paged_context
+  # `page-break-` are now legacy shorthands
+  # https://drafts.csswg.org/css-break/#page-break-properties
+  - css.properties.page-break-after
+  - css.properties.page-break-after.avoid
+  - css.properties.page-break-before
+  - css.properties.page-break-before.avoid
+  - css.properties.page-break-inside
+  - css.properties.page-break-inside.avoid