LWG3015 copy_options::unspecified underspecified

Author: Dawn Perchik

source/iostreams.tex

@@ -14500,8 +14500,11 @@
 \item Then, iterate over the files in \tcode{from}, as if by
 \begin{codeblock}
 for (const directory_entry& x : directory_iterator(from))
-  copy(x.path(), to/x.path().filename(), options | copy_options::@\unspec@)
+  copy(x.path(), to/x.path().filename(), options | copy_options::@\placeholder{in-recursive-copy}@);
 \end{codeblock}
+  where \tcode{\placeholder{in-recursive-copy}}
+  is a bitmask element of \tcode{copy_options}
+  that is not one of the elements in~\ref{fs.enum.copy.opts}.
 \end{itemize}
 
 \item