Keywords like author¸author and address¸address may be inadequate for files prepared by more than one person. If several authors share a common address, then using the keyword and,¸and to separate names in the author¸author field is unambiguous. However, if the postal address, electronic mail address, telephone number, and FAX number vary, it is advisable to clarify the header by attaching a hyphen and a numeric suffix to the attribute name. Here is an example:
%%% author-1 = "Marie Claire LeBrun", %%% author-2 = "Hans Peter Brun", %%% author-3 = "Jill Brown", %%% address-1 = "...", %%% address-2 = "...", %%% address-3 = "...", %%% email-1 = "...", %%% email-2 = "...", %%% email-3 = "...", %%% telephone-1 = "...", %%% telephone-2 = "...", %%% telephone-3 = "...", %%% FAX = "...",
File-header parsing software must be prepared to handle numeric suffixes like this for any keyword. If a keyword doesn't have such a suffix, as the FAX¸FAX keyword in this example, then it should be assumed to apply to all authors.
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