[simd.mask.namedconv] folded into [simd.mask.conv]

Fixes NB US 185-299 (C++26 CD).

Author: jensmaurer

source/numerics.tex

@@ -20066,11 +20066,9 @@
     constexpr basic_vec<@\exposid{integer-from}@<Bytes>, Abi> operator-() const noexcept;
     constexpr basic_vec<@\exposid{integer-from}@<Bytes>, Abi> operator~() const noexcept;
 
-    // \ref{simd.mask.conv}, \tcode{basic_mask} conversion operators
+    // \ref{simd.mask.conv}, \tcode{basic_mask} conversions
     template<class U, class A>
       constexpr explicit(sizeof(U) != Bytes) operator basic_vec<U, A>() const noexcept;
-
-    // \ref{simd.mask.namedconv}, \tcode{basic_mask} named type convertors
     constexpr bitset<size()> to_bitset() const noexcept;
     constexpr unsigned long long to_ullong() const;
 
@@ -20293,7 +20291,7 @@
 the range of \range{0}{size()}.
 \end{itemdescr}
 
-\rSec3[simd.mask.conv]{\tcode{basic_mask} conversion operators}
+\rSec3[simd.mask.conv]{\tcode{basic_mask} conversions}
 
 \indexlibrarymember{operator basic_vec}{basic_mask}
 \begin{itemdecl}
@@ -20312,8 +20310,6 @@
 \tcode{static_cast<U>(operator[]($i$))}.
 \end{itemdescr}
 
-\rSec3[simd.mask.namedconv]{\tcode{basic_mask} named conversion operators}
-
 \indexlibrarymember{to_bitset}{basic_mask}
 \begin{itemdecl}
 constexpr bitset<size()> to_bitset() const noexcept;