Integrated: 8247957: remove doclint support for HTML 4

[Yoshiki Sato]

On Wed, 28 Oct 2020 03:26:16 GMT, Yoshiki Sato <ysatowse at openjdk.org> wrote:

> HTML4 is no longer supported in javadoc.
> 
> doclint needs to drop HTML4 support as well.
> The changes consist of:
> * Removing -Xhtmlversion option from doclint and --doclint-format from javac.
> * Removing jdk.javadoc.internal.doclint.HtmlVersion and its references.
> * Updating makefile not to use removed option.
> * Sorting out supported tags and attributes in HTML5 (including fix incorrect permission of valign in TH, TR, TD, THEAD and TBODY)
> * Fixing incorrect value checks for the id attribute.
> * Modifying test code and expected outputs to be checked in HTML5

This pull request has now been integrated.

Changeset: 28e1f4d9
Author:    Yoshiki Sato <ysatowse at openjdk.org>
Committer: Jonathan Gibbons <jjg at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/28e1f4d9
Stats:     1499 lines in 60 files changed: 411 ins; 808 del; 280 mod

8247957: remove doclint support for HTML 4
8257204: Remove usage of -Xhtmlversion option from javac
8256313: JavaCompilation.gmk needs to be updated not to use --doclint-format html5 option
8258460: Remove --doclint-format option from javac
8256312: Valid anchor 'id' value not allowed

Reviewed-by: jjg, ihse

-------------

PR: https://git.openjdk.java.net/jdk/pull/893