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[css-syntax] Trim whitespace from the beginning/ending of a declarati… #1986

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tabatkins merged 1 commit into from
Apr 27, 2018
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[css-syntax] Trim whitespace from the beginning/ending of a declarati… #1986

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12 changes: 11 additions & 1 deletion css-syntax-3/Overview.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -2386,7 +2386,7 @@ Consume a declaration</h4>
<a>Consume the next input token</a>.
Create a new declaration
with its name set to the value of the <a>current input token</a>
and its value initially set to the empty list.
and its value initially set to the empty [=list=].

@kalenobr kalenobr Dec 2, 2017

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[=list=]


<ol>
<li>
Expand All @@ -2400,6 +2400,10 @@ Consume a declaration</h4>

Otherwise, <a>consume the next input token</a>.

<li>
While the <a>next input token</a> is a <<whitespace-token>>,
<a>consume the next input token</a>.

<li>
As long as the <a>next input token</a> is anything other than an <<EOF-token>>,
<a>consume a component value</a>
Expand All @@ -2412,6 +2416,10 @@ Consume a declaration</h4>
remove them from the declaration's value
and set the declaration's <var>important</var> flag to true.

<li>
While the last token in the declaration's value is a <<whitespace-token>>,
[=list/remove=] that token.

<li>
Return the declaration.
</ol>
Expand Down Expand Up @@ -3427,6 +3435,8 @@ Changes from the 20 February 2014 Candidate Recommendation</h3>

* If the very first rule in the sheet is a ''@charset'', dropped it during parsing.

* Trimmed whitespace from the beginning/ending of a declaration's value during parsing.

The following editorial changes were made:

* The "Consume a string token" algorithm was changed to allow calling it without specifying an explicit ending token,
Expand Down