Codepoints in the Private Use Area don't appear in search results

[johnbillion]

I was trying to determine which character is used for the "up" arrow when navigating the Codepoints.net site, so I inspected the element. It has a codepoint of U+f077 but searching for any of the following on the site doesn't return any results:

• F077
• U+F077
• 61559

I think this is due to the character being in the Private Use Area, but I'm not sure.

Manually navigating to https://codepoints.net/U+F077 shows a page with details of the codepoint.

[Boldewyn]

Thanks for the report! Yes, that's totally because U+F077 is a Private Use Character.

The arrow comes from Font Awesome, an icon font, that uses those PUA characters as “hooks” for its icons. There is a long-standing issue open over there to at least partially use non-PUA characters where sensible.

I agree, that for the specific search terms you mention PUA characters should be found, though. I'm going to add those as special cases on PHP side, since it's comparatively easier to hard-code that behavior there for a fixed set than amending the way PUA characters are represented in the database (which is to say, they aren't at all currently).