RFR: 8351881: Tidy complains about missing "alt" attribute

[Nizar Benalla]

On Wed, 12 Mar 2025 18:44:09 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Please review this change to add missing "alt" attributes to the left and right pointing angles used in the sidebar hide/show buttons and prevent `jdkCheckHtml.java` from failing.
>> 
>> TIA.
>
> src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/TableOfContents.java line 114:
> 
>> 112:                         .put(HtmlAttr.SRC, writer.pathToRoot.resolve(DocPaths.RESOURCE_FILES)
>> 113:                                 .resolve(DocPaths.LEFT_SVG).getPath())
>> 114:                         .put(HtmlAttr.ALT, writer.contents.hideSidebar.toString())));
> 
> It would be better to introduce and use a new factory method in HtmlTree
> 
>     HtmlTree IMG(DocPath src, String alt)
> 
> so that the API makes any similar error less likely in future.

I will add this in a follow up PR, thanks for the suggestion

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PR Review Comment: https://git.openjdk.org/jdk/pull/24016#discussion_r1992113020