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journal: a more verbose commodity error message with examples

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This commit is contained in:
Simon Michael 2020-03-17 13:36:48 -07:00
parent 6a01b1f438
commit 2cec32cebe
1 changed files with 9 additions and 1 deletions
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10
hledger-lib/Hledger/Read/JournalReader.hs
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@ -425,7 +425,15 @@ commoditydirectiveonelinep = do
else modify' (\j -> j{jcommodities=M.insert acommodity comm $ jcommodities j})
pleaseincludedecimalpoint :: String
pleaseincludedecimalpoint = "to avoid ambiguity, please include a decimal separator in commodity directives"
pleaseincludedecimalpoint = chomp $ unlines [
"Please include a decimal point or decimal comma in commodity directives,"
,"to help us parse correctly. It may be followed by zero or more decimal digits."
,"Examples:"
,"commodity $1000. ; no thousands mark, decimal period, no decimals"
,"commodity 1.234,00 ARS ; period at thousands, decimal comma, 2 decimals"
,"commodity EUR 1 000,000 ; space at thousands, decimal comma, 3 decimals"
,"commodity INR1,23,45,678.0 ; comma at thousands/lakhs/crores, decimal period, 1 decimal"
]
-- | Parse a multi-line commodity directive, containing 0 or more format subdirectives.
--