[whatwg] Plus Signs in Signed Integers

Jonas Sicking jonas at sicking.cc
Tue Jul 14 00:14:42 PDT 2009

On Mon, Jul 13, 2009 at 8:07 PM, Ian Hickson<ian at hixie.ch> wrote:
> On Thu, 18 Jun 2009, Smylers wrote:
>> The algorithm for parsing signed integers does not allow an optional
>> plus sign before positive integers; that is, parsing "+4" will return an
>> error at step 8 of this algorithm:
>>   http://www.whatwg.org/html5#rules-for-parsing-integers
>> That is inconsistent with the algorithm for non-negative integers, which
>> tolerates (and ignores) a leading plus sign (step 6):
>>   http://www.whatwg.org/html5#rules-for-parsing-non-negative-integers
> I've made + be tolerated by the signed parser also.

Based on what Boris said, why make this distinction?

Generally +1 is not considered a valid integer by most number parsing
libraries. And since gecko is planning on becoming more strict, why
follow (part of) it's lead here?

/ Jonas

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