Re: [whatwg/url] Restore formal grammar (#416)

sjamaan commented on this pull request.



> @@ -2346,6 +2347,105 @@ string <var>input</var>, optionally with a <a>base URL</a> <var>base</var>, opti
 </ol>
 
 
+<h4 id=grammar>Formal grammar for minimally acceptable URLs</h4>
+
+<p>It is the intention that the above parsing algorithm accepts a
+superset of the language defined by the following grammar.  The
+grammar is only defined for UTF-8.  The <var>encoding override</var>
+option is not supported.  Resolving the URL against a <a>base URL</a>
+or raising an error if the URL is relative should be done after
+parsing.</p>
+
+<p>This specification uses the Augmented Backus-Naur Form (ABNF)
+notation of STD 68 [[!STD68]], including the following core ABNF
+syntax rules defined by that specification: ALPHA (letters), CR
+(carriage return), DIGIT (decimal digits), DQUOTE (double quote),
+HEXDIG (hexadecimal digits), LF (line feed), and SP (space).</p>
+

I copied this from the RFC. I did link to the ABNF STD. How would you recommend I change this?

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