"HTML5: Techniques for providing useful text alternatives" editorial comments

Editorial comments:

suggestwhen to use the longdesc attribute to provide ore detail -> suggest when to use the longdesc attribute to provide more detail

Attributes are plain text and connot contain sub-elements -> Attributes are plain text and cannot contain sub-elements

or if image disaply is disabled, -> or if image display is disabled,

Text that is for use as an alternatve to an image -> Text that is for use as an alternative to an image

It is often possible to represent charts, diagrams and other explanitory sorts of picture using SVG. ->
            It is often possible to represent charts, diagrams and other explanatory sorts of picture using SVG.

This does not automatically make such pictures be accessbible, but different mechanisms then befomre available for embedding text alternatives in the SVG images. ->
            This does not automatically make such pictures be accessible, but different mechanisms then before are available for embedding text alternatives in the SVG images.
only the first image should normally have explanitory text, -> only the first image should normally have explanatory text,
An image description in this context is text, whether embedded in the main document or elsewhere, that would enable a reader ->
            An image description in this context is text, whether embedded in the main document or elsewhere which would enable a reader

that the items in a bar chart are borizontal rows -> that the items in a bar chart are horizontal rows

The first a picture -> The first is a picture

Depending on the context in which the illustation -> Depending on the context in which the illustration

even that the edges of the printng-block -> even that the edges of the printing-block

Although the alt attribute is essental -> Although the alt attribute is essential

An image of a painting inspired by a poem, on a page reciting that poem. -> <Change to be a proper sentence>

which makes sense in the context of the sentence it is apart of. -> which makes sense in the context of the sentence it is a part of.
as per the relevant relevant guidance -> as per the relevant guidance

is given an an empty alt attribute -> is given an empty alt attribute

When an image is decorative and it is the author's intent that it not convey any information -> When an image is decorative and it is the author's intent that it not conveys any information

When an image is immediately proceeded or preceded by a text alternative -> When an image is immediately preceded by a text alternative

represented by a real unicode character, the recommended practice is to remove the gaiji image and just use the unicode character. ->
represented by a real Unicode character, the recommended practice is to remove the gaiji image and just use the Unicode character.
(Make the change to "Unicode" globally)

/paulc

Paul Cotton, Microsoft Canada
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Tel: (425) 705-9596 Fax: (425) 936-7329