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@@ -2009,7 +2009,7 @@ attention to them.
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Each option has at least one @dfn{long} (or @dfn{mnemonic}) name starting with two
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dashes in a row, e.g., @option{--list}. The long names are more clear than
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their corresponding short or old names. It sometimes happens that a
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-single long option has many different different names which are
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+single long option has many different names which are
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synonymous, such as @option{--compare} and @option{--diff}. In addition,
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long option names can be given unique abbreviations. For example,
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@option{--cre} can be used in place of @option{--create} because there is no
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Paul Eggert