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Editorial: Remove any references to "parsable MIME type" #172

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Editorial: Remove any references to "parsable MIME type" #172

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27 changes: 9 additions & 18 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -68,9 +68,6 @@ spec: url
</pre>

<pre class="anchors">
spec: mimesniff; urlPrefix: https://mimesniff.spec.whatwg.org/
type: dfn
text: parsable mime type
spec: ecma-262; urlPrefix: http://tc39.github.io/ecma262/
type: interface
text: Array; url: sec-array-constructor
Expand Down Expand Up @@ -208,7 +205,7 @@ this is the same time that is conceptually "<code>0</code>" in ECMA-262 [[ECMA-2
A {{Blob}} object refers to a <a>byte</a> sequence,
and has a {{Blob/size}} attribute which is the total number of bytes in the byte sequence,
and a {{Blob/type}} attribute,
which is an ASCII-encoded string in lower case representing the media type of the <a>byte</a> sequence.
which is an [=ASCII string=] in lower case representing the media type of the <a>byte</a> sequence.

Each {{Blob}} must have an internal <dfn id="snapshot-state" for=Blob>snapshot state</dfn>,
which must be initially set to the state of the underlying storage,
Expand Down Expand Up @@ -325,7 +322,7 @@ The {{Blob()}} constructor can be invoked with the parameters below:
<dt id="dfn-BlobPropertyBagMembers">An *optional* {{BlobPropertyBag}}
<dd>which takes these optional members:
* <dfn id="dfn-BPtype" dict-member for="BlobPropertyBag">type</dfn>,
the ASCII-encoded string in lower case representing the media type of the {{Blob}}.
the [=ASCII string=] in lower case representing the media type of the {{Blob}}.
Normative conditions for this member are provided in the [[#constructorBlob]].
* <dfn dict-member for="BlobPropertyBag">endings</dfn>,
an enum which can take the values {{"transparent"}} or {{"native"}}.
Expand Down Expand Up @@ -455,11 +452,10 @@ run the following steps:
or 0 if the {{Blob}} has no bytes to be read.

<dt><dfn id="dfn-type">type</dfn>
<dd>The ASCII-encoded string in lower case representing the media type of the {{Blob}}.
<dd>The [=ASCII string=] in lower case representing the media type of the {{Blob}}.
On getting, user agents must return the type of a {{Blob}}
as an ASCII-encoded string in lower case,
such that when it is converted to a <a>byte</a> sequence,
it is a <a>parsable MIME type</a>,
as an [=ASCII string=] in lower case,
such that <a>parsing a MIME type</a> with it does not return failure,
or the empty string &ndash; 0 bytes &ndash; if the type cannot be determined.

The {{Blob/type}} attribute can be set by the web application itself through constructor invocation
Expand All @@ -471,10 +467,6 @@ run the following steps:
especially if the <a>byte</a> sequence is from an on-disk file;
in this case, further normative conditions are in the <a>file type guidelines</a>.

Note: The type <var ignore>t</var> of a {{Blob}} is considered a <a>parsable MIME type</a>,
if performing the <a>parse a MIME type</a> algorithm to a byte sequence converted from
the ASCII-encoded string representing the Blob object's type does not return failure.

Note: Use of the {{Blob/type}} attribute informs the [=package data=] algorithm
and determines the `Content-Type` header when [=/fetching=] [=blob URLs=].
</dl>
Expand Down Expand Up @@ -513,7 +505,7 @@ It must act as follows:
</ol>

1. The optional <dfn argument for="Blob/slice(start, end, contentType)" id="dfn-contentTypeBlob">contentType</dfn> parameter
is used to set the ASCII-encoded string in lower case representing the media type of the Blob.
is used to set the [=ASCII string=] in lower case representing the media type of the Blob.
User agents must process the {{Blob/slice()}} with {{contentType}} normalized according to the following:

<ol type="a">
Expand Down Expand Up @@ -631,9 +623,8 @@ When a {{File}} object refers to a file on disk,
user agents must return the {{Blob/type}} of that file,
and must follow the <dfn export>file type guidelines</dfn> below:

* User agents must return the {{Blob/type}} as an ASCII-encoded string in lower case,
such that when it is converted to a corresponding byte sequence,
it is a <a>parsable MIME type</a>,
* User agents must return the {{Blob/type}} as an [=ASCII string=] in lower case,
such that <a>parsing a MIME type</a> with it does not return failure,
or the empty string &ndash; 0 bytes &ndash; if the type cannot be determined.
* When the file is of type <code>text/plain</code>
user agents must NOT append a charset parameter to the <i>dictionary of parameters</i> portion of the media type [[!MIMESNIFF]].
Expand Down Expand Up @@ -1154,7 +1145,7 @@ which switches on |type| and runs the associated steps:
1. If the |encodingName| is present, set |encoding| to the result of
[=getting an encoding=] from |encodingName|.
1. If |encoding| is failure, and |mimeType| is present:
1. Let |type| be the result of [=parse a MIME type=] given |mimeType|.
1. Let |type| be the result of [=parsing a MIME type=] given |mimeType|.
1. If |type| is not failure,
set |encoding| to the result of [=getting an encoding=]
from |type|'s [=MIME type/parameters=][`"charset"`].
Expand Down