[basic.stc.dynamic.general, class, namespace.udecl] Fix ranged index entries

Author: tkoeppe

source/basic.tex

@@ -3847,6 +3847,8 @@
 and~\ref{basic.stc.dynamic.deallocation},
 the behavior is undefined.
 
+\indextext{storage duration!dynamic|)}
+
 \rSec4[basic.stc.dynamic.allocation]{Allocation functions}
 
 \pnum

source/classes.tex

@@ -6766,3 +6766,5 @@
 If a deallocation function has no explicit \grammarterm{noexcept-specifier}, it
 has a non-throwing exception specification\iref{except.spec}.
 \end{note}
+
+\indextext{class|)}

source/declarations.tex

@@ -7988,6 +7988,8 @@
 \end{codeblock}
 \end{example}
 
+\indextext{using-declaration|)}
+
 \rSec1[dcl.asm]{The \tcode{asm} declaration}%
 \indextext{declaration!\idxcode{asm}}%
 \indextext{assembler}%