1 11/27/85  rename_attribute, rna
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 3 Syntax: rna attribute1 name1 {...attributeN nameN}
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 5 
 6 Function: replaces the name of an attribute with another name.
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 9 Arguments:
10 attributei
11    specifies the current name of an existing attribute.
12 namei
13    specifies the new name that replaces the original name.