Am Sa., 12. Sept. 2020 um 04:01 Uhr schrieb Arthur A. Gleckler
<xxxxxx@speechcode.com>:
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> On Fri, Sep 11, 2020 at 11:44 AM Arthur A. Gleckler <xxxxxx@speechcode.com> wrote:
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>> I found a few command-line programs that send requests the W3C validator using curl, but all were broken in one way or another.  If I find something better, I'll post it here.
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> I need such a command, too, so I wrote one: validate-html.  It sends the current buffer through the W3C HTML Validator, parses the output, and presents it as a compilation buffer.  The usual next-error command takes one through the results.  Thanks, Marc, for motivating me to write this.  It's going to save me a ton of time.

WOW! Thank you very much, Arthur! Works like a charm and that the
next-error command just works is brilliant!