[meta] Create new clause

and move [intseq], [meta], and [ratio] from [utilities] into the
new clause.

Author: jensmaurer

source/lib-intro.tex

@@ -30,6 +30,7 @@
 \ref{concepts}          & Concepts library            \\
 \ref{diagnostics}       & Diagnostics library         \\
 \ref{mem}               & Memory management library   \\
+\ref{meta}              & Metaprogramming library     \\
 \ref{utilities}         & General utilities library   \\
 \ref{strings}           & Strings library             \\
 \ref{containers}        & Containers library          \\
@@ -1333,7 +1334,7 @@
 \ref{support.coroutine}  & Coroutines support        & \tcode{<coroutine>}        \\ \rowsep
 \ref{support.runtime}    & Other runtime support     & \tcode{<cstdarg>}          \\ \rowsep
 \ref{concepts}           & Concepts library          & \tcode{<concepts>}         \\ \rowsep
-\ref{meta}               & Type traits               & \tcode{<type_traits>}      \\ \rowsep
+\ref{type.traits}        & Type traits               & \tcode{<type_traits>}      \\ \rowsep
 \ref{bit}                & Bit manipulation          & \tcode{<bit>}              \\ \rowsep
 \ref{atomics}            & Atomics                   & \tcode{<atomic>}           \\
 \end{libsumtab}