Should std.conv:parse parse html entities?

[Suleyman]

On Wednesday, 13 November 2019 at 12:17:17 UTC, berni44 wrote:
> Concerning issue 9621 [1]: There are two things, that parse 
> doesn't parse currently, namely octal numbers and html 
> entities. While there is no argument against the former (I 
> actually wrote a PR to add them), there has been some 
> discussion around the later, because the whole table of those 
> entities (about 3000) would make it in the code, even if not 
> [...]

What is the concern about the table? Is it binary size, runtime 
performance, or something else?