Function handler

src/functions/def.ts:68–79

({parser, funcName})

    allowedInText: true,

    handler({parser, funcName}) {
        parser.consumeSpaces();
        const token = parser.fetch();
        if (globalMap[token.text]) {
            // KaTeX doesn't have \par, so ignore \long
            if (funcName === "\\global" || funcName === "\\\\globallong") {
                token.text = globalMap[token.text];
            }
            return assertNodeType(parser.parseFunction(), "internal");
        }
        throw new ParseError(`Invalid token after macro prefix`, token);
    },
});

// Basic support for macro definitions: \def, \gdef, \edef, \xdef