[whatwg] <table> Relation between "bordercolor" and "border" attributes
ian at hixie.ch
Thu Jun 7 16:44:33 PDT 2012
On Tue, 6 Mar 2012, Kishore Bolisetty wrote:
> I have been looking at spec for finding relation between html table's
> bordercolor and border attributes.
> When a table element has a bordercolor attribute, its value is expected
> to be parsed using the rules for parsing a legacy color value , and if
> that does not return an error, the user agent is expected to treat the
> attribute as a presentational hint setting the element's
> 'border-top-color', 'border-right-color', 'border-bottom-color', and
> 'border-right-color' properties to the resulting color.
> The table element's border attribute maps to the pixel length properties
> 'border-top-width', 'border-right-width', 'border-bottom-width',
> 'border-left-width' on the element. If the attribute is present but
> parsing the attribute's value using the rules for parsing non-negative
> integers generates an error, a default value of 1px is expected to be
> used for that property instead.
> But it doesn't talks about the behaviour - what if border is not
> specified but bordercolor is specified?
You follow the rules in that section, and end up with border-color
specified, but border-style and border-width not specified, and no border
> Looks like browsers have taken their own implementations on this, Opera
> and Mozilla displays bordercolor only if border is specified, where as
> Safari displays bordercolor assuming a default border.
Safari is incorrect.
On Tue, 6 Mar 2012, Tab Atkins Jr. wrote:
> This behavior depends on the browser's default stylesheet, and whether
> they default borders to "border-style: solid; border-color:
> currentColor;" or "border-style: solid; border-width: 0px;". Browsers
> are allowed to do either.
The spec actually defines this now. It's 'border-color: gray',
border-style and border-width at initial values (none and medium
respectively), assuming there's no attributes making things more
Ian Hickson U+1047E )\._.,--....,'``. fL
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