RFR: 8253117: Replace HTML tables in javadoc summaries with CSS grid elements [v3]

[Hannes Wallnöfer]

On Tue, 6 Oct 2020 23:31:48 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Hannes Wallnöfer has updated the pull request with a new target base due to a merge or a rebase. The pull request now
>> contains seven commits:
>>  - Merge master
>>  - Address issues raised in code review:
>>     - remove unused styles and method
>>     - rename alternating table row styles
>>     - move id attribute for tabs
>>     - add line breaks in test text blocks to make them easier to read and maintain
>>  - Fix trailing whitespace
>>  - Clean up comments and styles
>>  - Restore table spacing
>>  - Adapt tests to grid summaries
>>  - Use CSS Grid Layout for javadoc summaries
>
> src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/script.js line 89:
> 
>> 87:             selected.previousSibling.focus();
>> 88:             e.preventDefault();
>> 89:         } else if ((e.keyCode === 39 || e.keyCode === 40) && selected.nextSibling) {
> 
> Can we have constants, or at least a comment for the values 37, 38, 39, 40

I'm adding comments in my next commit. We don't have immutable `const` declarations in JS due to backwards
compatibility, so I'm not keen to add a `var` pseudo-constant.

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PR: https://git.openjdk.java.net/jdk/pull/253