Command line
gaebboss info FILE # version, phase, project, counts, total, warnings
gaebboss items FILE [--counting] [--tsv]
gaebboss text FILE --oz OZ [--markdown]
gaebboss json FILE [--compact]
gaebboss validate FILE [--tender X83] # exit 1 on errors
gaebboss roundtrip FILE -o OUT [--phase X84] [--version 3.3] [--pretty] [--strict]
gaebboss bid X83 --prices prices.csv --bidder bidder.toml -o OUT.X84 [--pretty]
prices.csv has a header oz,up or id,up, one row per item, - for a
not-offered item and an optional third column with the quantity of a free
quantity item. bidder.toml holds name1, street, pcode, city and
optionally name2, contact, email, bidder_no, vat_percent,
discount_percent.