[css-shapes] Add a note that a circle with a radius of 0 defines an empty area #850

aethanyc opened this Issue Jan 3, 2017 · 1 comment


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aethanyc commented Jan 3, 2017

The following question was raised by @dbaron in Firefox Bug 1311244 comment 15 during the review of implementing shape-outside: circle().

if a shape is a circle with a radius of 0, should text flow around that point, or should it flow around nothing?

Both blink and webkit flow the text around nothing. And Firefox is going to do the same. This should make sense because a point without radius doesn't enclose any area.

So it might be worth to add a note for circle() and ellipse() in Supported Shapes to explicit says that if the radius of a circle() is 0, it defines an empty float area. The same for ellipse() if one of its radii is 0.


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astearns Jan 3, 2017


Added clarifying notes with 846a3af


astearns commented Jan 3, 2017

Added clarifying notes with 846a3af

@astearns astearns closed this Jan 3, 2017

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