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[doc] Use specific example to explain environment vars

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Alexis Hildebrandt 2015-01-23 15:51:40 +01:00
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doc/ledger3.texi
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@ -7442,8 +7442,8 @@ BTC:USD}.
@subsection Environment variables
Every option to ledger may be set using an environment variable. If
an option has a long name such @option{--this-option}, setting the
environment variable @env{LEDGER_THIS_OPTION} will have the same
an option has a long name, for example @option{--account}, setting the
environment variable @env{LEDGER_ACCOUNT} will have the same
effect as specifying that option on the command-line. Options on the
command-line always take precedence over environment variable
settings, however.