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    CWG Issue 808</TITLE>
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<P><EM>This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21
  Core Issues List revision 118b.
  See http://www.open-std.org/jtc1/sc22/wg21/ for the official
  list.</EM></P>
<P>2025-09-28</P>
<HR>
<A NAME="808"></A><H4>808.
  
Non-type <I>decl-specifier</I>s versus max-munch
</H4>
<B>Section: </B>9.2&#160; [<A href="https://wg21.link/dcl.spec">dcl.spec</A>]
 &#160;&#160;&#160;

 <B>Status: </B>CD2
 &#160;&#160;&#160;

 <B>Submitter: </B>UK
 &#160;&#160;&#160;

 <B>Date: </B>3 March, 2009<BR><BR>


<A href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3086.html#UK83">N2800 comment
  UK&#160;83<BR></A>

<P>[Voted into WP at March, 2010 meeting.]</P>

<P>According to 9.2 [<A href="https://wg21.link/dcl.spec#2">dcl.spec</A>] paragraph 2,</P>

<BLOCKQUOTE>

The longest sequence of <I>decl-specifier</I>s that could
possibly be a type name is taken as the
<I>decl-specifier-seq</I> of a <I>declaration</I>.

</BLOCKQUOTE>

<P>However, there are many <I>decl-specifier</I>s that cannot appear
in a type name that are, nonetheless, part of a <I>declaration</I>'s
<I>decl-specifier-seq</I>, such as <TT>typedef</TT>, <TT>friend</TT>,
<TT>static</TT>, etc.</P>

<P><B>Proposed resolution (November, 2009):</B></P>

<P>Change 9.2 [<A href="https://wg21.link/dcl.spec#2">dcl.spec</A>] paragraph 2 as follows:</P>

<BLOCKQUOTE>

<DEL>The longest sequence of <I>decl-specifier</I>s that could
possibly be a type name is taken as the <I>decl-specifier-seq</I> of a
<I>declaration</I></DEL> <INS>If a <I>type-name</I> is encountered while
parsing a <I>decl-specifier-seq</I>, it is interpreted as part of the
<I>decl-specifier-seq</I> if and only if there is no previous
<I>type-specifier</I> other than a <I>cv-qualifier</I> in the
<I>decl-specifier-seq</I>.</INS>. The sequence shall be
self-consistent as described below. [<I>Example:</I>...

</BLOCKQUOTE>

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