[dcl.dcl, over.best.ics, temp.param, class.union.anon] Remove mentions of "storage class" (#3906)

Author: sdkrystian

source/classes.tex

@@ -3257,11 +3257,12 @@
 \pnum
 \indextext{\idxcode{union}!global anonymous}%
 \indextext{scope!anonymous \tcode{union} at namespace}%
-Anonymous unions declared in the scope of a namespace with external linkage
-shall be declared \keyword{static}. Anonymous unions declared at
-block scope shall be declared with any storage class allowed for a
-block variable, or with no storage class. A storage class is not
-allowed in a declaration of an anonymous union in a class scope.
+An anonymous union declared in the scope of a namespace with external linkage
+shall use the \grammarterm{storage-class-specifier} \keyword{static}.
+Anonymous unions declared at block scope shall not use a \grammarterm{storage-class-specifier}
+that is not permitted in the declaration of a block variable.
+An anonymous union declaration at class scope shall not have
+a \grammarterm{storage-class-specifier}.
 
 \pnum
 \begin{note}

source/declarations.tex

@@ -2162,7 +2162,7 @@
 it is as if a unique identifier were included in
 the appropriate place\iref{dcl.name}.
 The preceding specifiers indicate
-the type, storage class or other properties
+the type, storage duration, linkage, or other properties
 of the entity or entities being declared.
 Each declarator specifies one entity and
 (optionally) names it and/or
@@ -8483,7 +8483,7 @@
 \keyword{extern}
 specifier\iref{dcl.stc} for the purpose of determining the linkage of the
 declared name and whether it is a definition. Such a declaration shall
-not specify a storage class.
+not have a \grammarterm{storage-class-specifier}.
 \begin{example}
 \begin{codeblock}
 extern "C" double f();

source/overloading.tex

@@ -2001,7 +2001,7 @@
 are converted to match the corresponding properties of the
 parameter.
 \begin{note}
-Other properties, such as the lifetime, storage class,
+Other properties, such as the lifetime, storage duration, linkage,
 alignment, accessibility of the argument, whether the argument is a bit-field,
 and whether a function is deleted\iref{dcl.fct.def.delete}, are ignored.
 So, although an implicit

source/templates.tex

@@ -306,9 +306,8 @@
 called \tcode{T}, rather than an unnamed non-type
 \grammarterm{template-parameter} of class \tcode{T}.
 \end{example}
-A storage class shall not be specified in a
-\grammarterm{template-parameter}
-declaration.
+A \grammarterm{template-parameter} declaration shall not
+have a \grammarterm{storage-class-specifier}.
 Types shall not be defined in a \grammarterm{template-parameter}
 declaration.