Edit comment LC-1691 for Mobile Web Best Practices Working Group

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Comment LC-1691

Comment Shortname:

Commenter: Laurens Holst <lholst@students.cs.uu.nl>

Message-id:

Section of the document concerned:

[Free text description]Document as a wholeW3C mobileOK Basic Tests 1.0 /**/ code { font-... W3C mobileOK Basic Tests 1.0 W3C Working Draft 25 May 2007 Abstract Status of this Document Table of Contents Appendices 1 Introduction 1.1 Levels of mobileOK 1.1.1 mobileOK Basic 1.1.2 mobileOK Pro 1.1.3 Out of Scope 1.1.4 Beyond mobileOK 1.2 Applicability 1.3 Claiming mobileOK conformance 2 Conformance 2.1 Validity of the Tests 2.2 Testing Outcomes 2.3 Conduct of Tests 2.3.1 Order of Tests 2.3.2 HTTP Request 2.3.3 HTTP Response 2.3.4 Meta http-equiv Elements 2.3.5 CSS Style 2.3.6 Included Resources 2.3.7 Included Style Sheet Resources 2.3.8 Visible Linked Resources 2.3.9 Validity 2.3.10 White Space 3 mobileOK Basic Tests 3.1 AUTO_REFRESH (partial) and REDIRECTION 3.2 CACHING 3.3 CHARACTER_ENCODING_SUPPORT and CHARACTER_ENCODING_USE 3.4 CONTENT_FORMAT_SUPPORT and VALID_MARKUP 3.5 DEFAULT_INPUT_MODE 3.6 EXTERNAL_RESOURCES 3.7 GRAPHICS_FOR_SPACING 3.8 IMAGE_MAPS 3.9 IMAGES_RESIZING and IMAGES_SPECIFY_SIZE 3.10 LINK_TARGET_FORMAT 3.11 MEASURES 3.12 MINIMIZE 3.13 NO_FRAMES 3.14 NON-TEXT_ALTERNATIVES (partial) 3.15 OBJECTS_OR_SCRIPT (partial) 3.16 PAGE_SIZE_LIMIT 3.17 PAGE_TITLE (partial) 3.18 POP_UPS 3.19 PROVIDE_DEFAULTS (partial) 3.20 STYLE_SHEETS_SUPPORT (partial) 3.21 STYLE_SHEETS_USE 3.22 TABLES_ALTERNATIVES 3.23 TABLES_LAYOUT (partial) 3.24 TABLES_NESTED A Acknowledgements(Non-Normative) B References(Non-Normative) BestPractices CSS GIF JPEG POWDER RFC2617 Techniques UTF-8 utf8_perl WCAG XHTMLBasic11 XHTMLModularization XML10 XML11 C Relationship between Best Practices and mobileOK Tests(Non-Normative)
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Refinement of the section concerned:

Status:

open proposal pending resolved_yes resolved_no resolved_partial other assigned to Nobody

Type: substantive editorial typo question general comment undefined

Resolution status:

Response drafted Resolution implemented Reply sent to commenter

Response status:

No response from Commenter yet Commenter approved disposition Commenter objected to disposition
Commenter's response (URI):

Comment:

Second, in that same section, I think saying that UAs must send
‘exactly’ this header is not desirable. That would prevent UAs from
handling additional media types, such as image/png or image/svg, and
limit innovation. After all, the UA would not be able to claim a
mobileOK label anymore. The spec should say that UAs must send exactly
this or a superset of this header.

Related issues: (space separated ids)

WG Notes: mobileOK Basic tests whether a resource can be delivered in a way that is compatible with an abstract baseline device profile, the "Default Delivery Context". This profile only assumes GIF and JPEG support, so it would be undesirable for a mobileOK Basic tests implementation to send a header that says that PNG is supported. The test demands that you demonstrate support or GIF or JPEG, so it doesn't help to add more types. But this is not to say that mobileOK resources can't return PNG or SVG images to other real devices! mobileOK Basic says nothing about what you do for more capable devices. It merely wants to see that you can support a certain basic device that only knows JPEG and GIF.

Resolution: The basis on which the spec is written is that a checker emulates a hypothetical device - the DDC - which has exactly the capabilities specified. The tests ensure that a Web site is capable of responding to the needs of such a device. We encourage content providers to support more than the needs of the basic device and take advantage of greater functions and capabilities where they can.

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