diff --git a/css-overflow-3/Overview.bs b/css-overflow-3/Overview.bs
index 61f7903ffc0a..9b01ceacf6de 100644
--- a/css-overflow-3/Overview.bs
+++ b/css-overflow-3/Overview.bs
@@ -481,25 +481,6 @@ Scrolling and Clipping Overflow: the 'overflow-x', 'overflow-y', and 'overflow'
Choosing the appropriate behavior for each scrolling mechanism
is the responsibility of the UA.
- ISSUE(7144): Applicability of 'overflow' to [=replaced elements=]
- is still being worked out.
-
- On [=replaced elements=],
- the [=used values=]
- of all computed values other than ''visible''
- is ''overflow/clip''.
- Host languages should define [=UA style sheet=] rules
- that apply a default value of ''overflow/clip'' to such elements
- and set their 'overflow-clip-margin' to ''overflow-clip-margin/content-box''.
-
- Note: Application of 'overflow' to [=replaced elements=] was added
- to allow images to paint effects outside their effective layout box;
- the recommended UA style sheet rules are to effect their original behavior as a default.
- See discussion in Issue 7059
- and Issue 7144.
- This is a change from CSS2.1
- and is at-risk.
-
@@ -630,7 +611,7 @@ Expanding Clipping Bounds: the 'overflow-clip-margin' property
Value: <> || <>
Initial: ''0px''
Inherited: no
- Applies to: all elements
+ Applies to: boxes to which 'overflow' applies
Computed value: the computed <> and a <> keyword
Animation type: per computed value if the <> values match; otherwise discrete
@@ -651,8 +632,7 @@ Expanding Clipping Bounds: the 'overflow-clip-margin' property
i.e. when the specified offset is zero.
If omitted,
- defaults to ''overflow-clip-margin/padding-box'' on non-[=replaced=] elements,
- or ''overflow-clip/content-box'' on [=replaced=] elements.
+ defaults to ''overflow-clip-margin/padding-box''.
: <>
::
diff --git a/css-overflow-4/Overview.bs b/css-overflow-4/Overview.bs
index 721a4a80d93c..84e571e6b00a 100644
--- a/css-overflow-4/Overview.bs
+++ b/css-overflow-4/Overview.bs
@@ -184,6 +184,32 @@ Scrolling and Clipping Overflow
Issue: Copy [[css-overflow-3#overflow-properties|Level 3 content]] when final.
+
+Managing Overflow: the 'overflow-x', 'overflow-y', and 'overflow' properties
+
+ This level extends the 'overflow-x' and 'overflow-y' properties
+ (and 'overflow' [=shorthand=])
+ to apply to [=replaced elements=].
+
+ On [=replaced elements=],
+ the [=used values=]
+ of all computed values other than ''visible''
+ is ''overflow/clip''.
+ Host languages should define [=UA style sheet=] rules
+ that apply a default value of ''overflow/clip'' to such elements
+ and set their 'overflow-clip-margin' to ''overflow-clip-margin/content-box''.
+
+ Note: Application of 'overflow' to [=replaced elements=] was added
+ to allow images to paint effects outside their effective layout box;
+ the recommended UA style sheet rules are to effect their original behavior as a default.
+ See discussion in Issue 7059
+ and Issue 7144.
+ This is a change from CSS2.1
+ and is at-risk.
+
+ ISSUE(7144): Application of 'overflow' to [=replaced elements=]
+ is still being worked out.
+
Expanding Clipping Bounds: the 'overflow-clip-margin-*' properties
@@ -1823,8 +1849,13 @@ Recent Changes
- Moved in the definition of 'text-overflow' from [[CSS-UI-4]].
- Moved the core definition of 'scrollbar-gutter' to [[CSS-OVERFLOW-3]]
- (it will be copied back here once this specification is undiffed)
- and shift exploratory 'scrollbar-gutter' extension ideas into an appendix.
+ (it will be copied back here once this specification is undiffed)
+ and shift exploratory 'scrollbar-gutter' extension ideas into an appendix.
+
- Defined extension of 'overflow' and 'overflow-clip-margin' to apply to [=replaced elements=].
+ How exactly this works is still still under discussion.
+ (Issue 7144)
+
- Defined [=longhands=] for 'overflow-clip-margin'.
+ (Issue 7245)