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[ag0aep6g]

On Friday, 2 April 2021 at 10:23:29 UTC, Vladimir Panteleev wrote:
> On Friday, 2 April 2021 at 10:12:25 UTC, ag0aep6g wrote:
[...]
>> Does the forum even support any HTML tags? If not, there's no 
>> point in stripping them. But maybe that's a limitation of the 
>> Markdown library you're using.
>
> The implementation does provide a knob with two settings (strip 
> all HTML or allow all HTML). I don't know if it's due to a 
> technical limitation of that particular implementation. I 
> suspect that the reason may be something along the lines of 
> that for the purposes of the formal specification, there should 
> be a simple and clear rule for when sequences of characters are 
> interpreted as HTML vs. when they are not, or something like 
> that.

In my opinion, the proper solution would be to escape HTML before 
passing the string to the Markdown processor.

So when I enter this:

     <b>bold?</b> **bold!**

First turn it into this:

     <b>bold?</b> **bold!**

Then pass that to the Markdown processor which turns it into this 
for the browser:

     <b>bold?</b> <b>bold!</b>

And newsgroup users get the original input, no "\<" or "<".

The Markdown processor won't strip any tags, because it won't see 
any to begin with.