(parse_amount): Ignore inline math characters that are found quotes.
(parse_amount): Ignore inline math characters that are found quotes.

duncanmortimer/ledger,ledger/ledger,ledger/ledger,jwakely/ledger,paulbdavis/ledger,afh/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,duncanmortimer/ledger,jwakely/ledger,paulbdavis/ledger,ledger/ledger,afh/ledger,jwakely/ledger,jwakely/ledger,jwakely/ledger,paulbdavis/ledger,jwakely/ledger,jwakely/ledger,duncanmortimer/ledger,duncanmortimer/ledger,afh/ledger,ledger/ledger,duncanmortimer/ledger,ledger/ledger,paulbdavis/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,paulbdavis/ledger