Use correct font for all symbols

[creativecreatorormaybenot]

Description

Packaged issue for all symbols that are not rendered the way they are supposed to be rendered.

Existing implementations

Symbols are defined here. Many symbols are already parsed correctly, however, some use the wrong font in some scenarios.

Symbols

List of found inconsistencies:

• \pm → KaTeX on the left (\pm +); CaTeX on the right

[IchordeDionysos]

Some incorrect scenarios include:

• Displayed italic and not upright. (Examples: \vert, \vee, \forall, \rangle, \langle, \cup, ...)
• Displayed bold and not slim (Examples: \leq, \forall, ...)