and text properties in the copy are also copied, not shared with the
original. (This means that modifying the extents or text properties of
the original will not affect the copy.) However, the actual values of
-the properties are shared. @xref{Extents}; @xref{Text Properties}.
+the properties are shared. @xref{Extents}, @xref{Text Properties}.
See also @code{append} in @ref{Building Lists}, @code{concat} in
@ref{Creating Strings}, @code{vconcat} in @ref{Vectors}, and
as characters.
@item
-Strings can hold extent and text properties. @xref{Extents}; @xref{Text
+Strings can hold extent and text properties. @xref{Extents}, @xref{Text
Properties}.
@item