-each abbreviation. The symbol's name is the abbreviation; its value is
-the expansion; its function definition is the hook function to do the
-expansion (@pxref{Defining Abbrevs}); its property list cell contains
-the use count, the number of times the abbreviation has been expanded.
-Because these symbols are not interned in the usual obarray, they will
-never appear as the result of reading a Lisp expression; in fact,
-normally they are never used except by the code that handles abbrevs.
-Therefore, it is safe to use them in an extremely nonstandard way.
-@xref{Creating Symbols}.
+each abbreviation. The symbol's name is the abbreviation; its value
+is the expansion; its function definition is the hook function to do
+the expansion (@pxref{Defining Abbrevs}); its property list cell
+typically contains the use count, the number of times the abbreviation
+has been expanded. (Alternatively, the use count is on the
+@code{count} property and the system-abbrev flag is on the
+@code{system-type} property.) Because these symbols are not interned
+in the usual obarray, they will never appear as the result of reading
+a Lisp expression; in fact, normally they are never used except by the
+code that handles abbrevs. Therefore, it is safe to use them in an
+extremely nonstandard way. @xref{Creating Symbols}.