[doc] Use specific example to explain environment vars
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@ -7442,8 +7442,8 @@ BTC:USD}.
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@subsection Environment variables
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@subsection Environment variables
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Every option to ledger may be set using an environment variable. If
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Every option to ledger may be set using an environment variable. If
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an option has a long name such @option{--this-option}, setting the
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an option has a long name, for example @option{--account}, setting the
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environment variable @env{LEDGER_THIS_OPTION} will have the same
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environment variable @env{LEDGER_ACCOUNT} will have the same
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effect as specifying that option on the command-line. Options on the
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effect as specifying that option on the command-line. Options on the
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command-line always take precedence over environment variable
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command-line always take precedence over environment variable
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settings, however.
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settings, however.
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