[meta.trans.other] Replace "(possibly cv) void" with just "cv void".

These two formulations mean the same thing.

Author: zygoloid

source/utilities.tex

@@ -15370,9 +15370,11 @@
 
 \rSec2[meta.type.synop]{Header \tcode{<type_traits>} synopsis}
 
-\indexlibrary{\idxcode{is_nothrow_convertible_v}}%
 \indexhdr{type_traits}%
+\indexlibrary{\idxcode{is_nothrow_convertible_v}}%
 \indexlibrary{\idxcode{type_identity_t}}%
+\indexlibrary{\idxcode{common_reference_t}}%
+% FIXME: Many index entries missing.
 \begin{codeblock}
 namespace std {
   // \ref{meta.help}, helper class
@@ -17005,7 +17007,7 @@
  &
  The member \grammarterm{typedef-name} \tcode{type} is defined or omitted
  as specified in Note C, below. Each type in the parameter pack \tcode{T} shall
- be complete or (possibly \cv) \tcode{void}. \\ \rowsep
+ be complete or \cv{} \tcode{void}. \\ \rowsep
 
 \indexlibrary{\idxcode{underlying_type}}%
 \tcode{template<class T>}\br