[temp] Replace "ncbnftab" environment with "ncsimplebnf" where no actual tabbing is used.

Author: tkoeppe

source/templates.tex

@@ -4622,9 +4622,9 @@
 as described in this subclause.
 In an expression of the form:
 
-\begin{ncbnftab}
+\begin{ncsimplebnf}
 postfix-expression \terminal{(} \opt{expression-list} \terminal{)}
-\end{ncbnftab}
+\end{ncsimplebnf}
 
 where the
 \grammarterm{postfix-expression}
@@ -5137,7 +5137,7 @@
 \grammarterm{new-type-id}
 is dependent, even if any subexpression is type-dependent:
 
-\begin{ncbnftab}
+\begin{ncsimplebnf}
 simple-type-specifier \terminal{(} \opt{expression-list} \terminal{)}\br
 \terminal{\opt{::} new} \opt{new-placement} new-type-id \opt{new-initializer}\br
 \terminal{\opt{::} new} \opt{new-placement} \terminal{(} type-id \terminal{)} \opt{new-initializer}\br
@@ -5146,13 +5146,13 @@
 \terminal{const_cast <} type-id \terminal{> (} expression \terminal{)}\br
 \terminal{reinterpret_cast <} type-id \terminal{> (} expression \terminal{)}\br
 \terminal{(} type-id \terminal{)} cast-expression
-\end{ncbnftab}
+\end{ncsimplebnf}
 
 \pnum
 Expressions of the following forms are never type-dependent (because the type
 of the expression cannot be dependent):
 
-\begin{ncbnftab}
+\begin{ncsimplebnf}
 literal\br
 postfix-expression \terminal{.} pseudo-destructor-name\br
 postfix-expression \terminal{->} pseudo-destructor-name\br
@@ -5166,7 +5166,7 @@
 \terminal{\opt{::} delete [ ]} cast-expression\br
 \terminal{throw} \opt{assignment-expression}\br
 \terminal{noexcept} \terminal{(} expression \terminal{)}
-\end{ncbnftab}
+\end{ncsimplebnf}
 
 \begin{note} For the standard library macro \tcode{offsetof},
 see~\ref{support.types}.\end{note}
@@ -5245,14 +5245,14 @@
 \grammarterm{type-id}
 is dependent:
 
-\begin{ncbnftab}
+\begin{ncsimplebnf}
 \terminal{sizeof} unary-expression\br
 \terminal{sizeof (} type-id \terminal{)}\br
 \terminal{typeid (} expression \terminal{)}\br
 \terminal{typeid (} type-id \terminal{)}\br
 \terminal{alignof (} type-id \terminal{)}\br
 \terminal{noexcept} \terminal{(} expression \terminal{)}
-\end{ncbnftab}
+\end{ncsimplebnf}
 
 \begin{note} For the standard library macro \tcode{offsetof},
 see~\ref{support.types}.\end{note}
@@ -5268,21 +5268,21 @@
 \grammarterm{cast-expression}
 is value-dependent:
 
-\begin{ncbnftab}
+\begin{ncsimplebnf}
 simple-type-specifier \terminal{(} \opt{expression-list} \terminal{)}\br
 \terminal{static_cast <} type-id \terminal{> (} expression \terminal{)}\br
 \terminal{const_cast <} type-id \terminal{> (} expression \terminal{)}\br
 \terminal{reinterpret_cast <} type-id \terminal{> (} expression \terminal{)}\br
 \terminal{(} type-id \terminal{)} cast-expression
-\end{ncbnftab}
+\end{ncsimplebnf}
 
 \pnum
 Expressions of the following form are value-dependent:
 
-\begin{ncbnftab}
+\begin{ncsimplebnf}
 \terminal{sizeof} \terminal{...} \terminal{(} identifier \terminal{)}\br
 fold-expression
-\end{ncbnftab}
+\end{ncsimplebnf}
 
 \pnum
 An expression of the form \tcode{\&}\grammarterm{qualified-id} where the