False positive on some hash links

I noticed false positive reportings on these URLs: * [`https://github.com/gjtorikian/html-proofer/issues/854#issuecomment-3049287310`](https://github.com/gjtorikian/html-proofer/issues/854#issuecomment-3049287310) * [`https://kafka.apache.org/30/documentation/streams/developer-guide/dsl-api.html#tumbling-time-windows`](https://kafka.apache.org/30/documentation/streams/developer-guide/dsl-api.html#tumbling-time-windows) html-proofer reports the links failed, because the hash does not exist, although it actually exists. For the first case, it is an id on a `div`, while for the second case, it is an id on an empty `a` element. For reproduciblility, I run everything in Docker: ```sh docker run -it ruby:3.4 bash ``` The following results in an error: ``` # gem install html-proofer # htmlproofer --as-links https://kafka.apache.org/30/documentation/streams/developer-guide/dsl-api.html#tumbling-time-windows Running 1 check (LinkCheck) on ["https://kafka.apache.org/30/documentation/streams/developer-guide/dsl-api.html#tumbling-time-windows"] ... Checking 1 external link For the Links > External check, the following failures were found: * External link https://kafka.apache.org/30/documentation/streams/developer-guide/dsl-api.html#tumbling-time-windows failed: https://kafka.apache.org/30/documentation/streams/developer-guide/dsl-api.html exists, but the hash 'tumbling-time-windows' does not (status code 200) HTML-Proofer found 1 failure! ``` For reference, the link to `https://github.com/gjtorikian/html-proofer?tab=readme-ov-file#configuration` does work. ``` # htmlproofer --as-links https://github.com/gjtorikian/html-proofer?tab=readme-ov-file#configuration Running 1 check (LinkCheck) on ["https://github.com/gjtorikian/html-proofer?tab=readme-ov-file#configuration"] ... Checking 1 external link HTML-Proofer finished successfully. Finished in 0.61 seconds ```