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[enum.copy_options] Rephrase restriction on copy_options values. #1445

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Mar 20, 2017
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[enum.copy_options] Rephrase restriction on copy_options values. #1445

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12 changes: 5 additions & 7 deletions source/iostreams.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -12416,9 +12416,7 @@
is a bitmask type~(\ref{bitmask.types}) that specifies bitmask constants used to control the semantics of
copy operations. The constants are specified in option groups with the meanings listed in Table~\ref{tab:fs.enum.copy_options}.
Constant \tcode{none} is shown in each option group for purposes of exposition;
implementations shall provide only a single definition. Calling a
library function with more than a single constant for an option
group results in undefined behavior.
implementations shall provide only a single definition.

\begin{floattable}
{Enum class \tcode{copy_options}}{tab:fs.enum.copy_options}
Expand Down Expand Up @@ -13839,8 +13837,8 @@

\begin{itemdescr}
\pnum
\requires At most one constant from each option group (\ref{fs.enum.copy.opts})
is present in \tcode{options}.
\requires At most one element from each option group (\ref{fs.enum.copy.opts})
is set in \tcode{options}.

\pnum
\effects
Expand Down Expand Up @@ -14000,8 +13998,8 @@

\begin{itemdescr}
\pnum
\requires At most one constant from each \tcode{copy_options}
option group (\ref{fs.enum.copy.opts}) is present
\requires At most one element from each
option group (\ref{fs.enum.copy.opts}) is set
in \tcode{options}.

\pnum
Expand Down