; Fix last change
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1 changed files with 4 additions and 4 deletions
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@ -68,10 +68,10 @@ with a character not a letter, digit or underscore; otherwise, enclose
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the entire variable name in braces. For instance, in `ab$cd-x',
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`$cd' is treated as an environment variable.
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If WHEN-UNDEFINED is nil, references to undefined environment variables
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are replaced by the empty string; if it is a function, the function is called
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with the variable name as argument and should return the text with which
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to replace it or nil to leave it unchanged.
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If WHEN-UNDEFINED is omitted or nil, references to undefined environment
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variables are replaced by the empty string; if it is a function, the
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function is called with the variable's name as argument, and should return
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the text with which to replace it, or nil to leave it unchanged.
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If it is non-nil and not a function, references to undefined variables are
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left unchanged.
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