Integrated: 8321406: Null IDs should be resolved as before catalogs are added

[Joe Wang]

On Tue, 5 Dec 2023 19:34:58 GMT, Joe Wang <joehw at openjdk.org> wrote:

> Improve null handling. When both the public and system IDs are null, this change lets the resolution process continue as usual, before the catalogs were added. This is consistent with the process on the other part of the program where a CatalogResolver is used only when the IDs are not null.
> 
> Test: existing XML tests passed.

This pull request has now been integrated.

Changeset: 78d09584
Author:    Joe Wang <joehw at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/78d09584c9ade967e55865c9d3a8146ae01d208d
Stats:     12 lines in 1 file changed: 6 ins; 0 del; 6 mod

8321406: Null IDs should be resolved as before catalogs are added

Reviewed-by: naoto, iris, lancea

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PR: https://git.openjdk.org/jdk/pull/16983