[implimits] Add cross-references to the definition of the respective feature

Fixes #1496.

Author: jensmaurer

source/limits.tex

@@ -19,114 +19,114 @@
 However, these quantities are only guidelines and do not determine compliance.
 \begin{itemize}
 \item%
-Nesting levels of compound statements,
-iteration control structures,
-and selection control structures [256].
+Nesting levels of compound statements\iref{stmt.block},
+iteration control structures\iref{stmt.iter},
+and selection control structures\iref{stmt.select} [256].
 \item%
-Nesting levels of conditional inclusion [256].
+Nesting levels of conditional inclusion\iref{cpp.cond} [256].
 \item%
-Pointer, array, and function declarators
+Pointer\iref{dcl.ptr}, array\iref{dcl.array}, and function\iref{dcl.fct} declarators
 (in any combination)
 modifying a class, arithmetic,
 or incomplete type in a declaration [256].
 \item%
-Nesting levels of parenthesized expressions within a full-expression [256].
+Nesting levels of parenthesized expressions\iref{expr.prim.paren} within a full-expression [256].
 \item%
 Number of
-characters in an internal identifier
-or macro name [1\,024].
+characters in an internal identifier\iref{lex.name}
+or macro name\iref{cpp.replace} [1\,024].
 \item%
 Number of
-characters in an external identifier [1\,024].
+characters in an external identifier (\ref{lex.name}, \ref{basic.link}) [1\,024].
 \item%
-External identifiers in one translation unit [65\,536].
+External identifiers\iref{basic.link} in one translation unit [65\,536].
 \item%
-Identifiers with block scope declared in one block [1\,024].
+Identifiers with block scope declared in one block\iref{basic.scope.block} [1\,024].
 \item%
-Structured bindings introduced in one declaration [256].
+Structured bindings\iref{dcl.struct.bind} introduced in one declaration [256].
 \item%
-Macro identifiers simultaneously defined in one
+Macro identifiers\iref{cpp.replace} simultaneously defined in one
 translation
 unit [65\,536].
 \item%
-Parameters in one function definition [256].
+Parameters in one function definition\iref{dcl.fct.def.general} [256].
 \item%
-Arguments in one function call [256].
+Arguments in one function call\iref{expr.call} [256].
 \item%
-Parameters in one macro definition [256].
+Parameters in one macro definition\iref{cpp.replace} [256].
 \item%
-Arguments in one macro invocation [256].
+Arguments in one macro invocation\iref{cpp.replace} [256].
 \item%
-Characters in one logical source line [65\,536].
+Characters in one logical source line\iref{lex.phases} [65\,536].
 \item%
-Characters in a string literal
-(after concatenation) [65\,536].
+Characters in a string literal\iref{lex.string}
+(after concatenation\iref{lex.phases}) [65\,536].
 \item%
-Size of an object [262\,144].
+Size of an object\iref{intro.object} [262\,144].
 \item%
 Nesting levels for
 \tcode{\#include}
-files [256].
+files\iref{cpp.include} [256].
 \item%
 Case labels for a
 \tcode{switch}
-statement (excluding those for any nested
+statement\iref{stmt.switch} (excluding those for any nested
 \tcode{switch}
 statements)
 [16\,384].
 \item%
-Data members in a single class [16\,384].
+Data members in a single class\iref{class.mem} [16\,384].
 \item%
-Lambda-captures in one \grammarterm{lambda-expression} [256].
+Lambda-captures in one \grammarterm{lambda-expression}\iref{expr.prim.lambda.capture} [256].
 \item%
-Enumeration constants in a single enumeration [4\,096].
+Enumeration constants in a single enumeration\iref{dcl.enum} [4\,096].
 \item%
-Levels of nested class definitions
+Levels of nested class definitions\iref{class.nest}
 in a single
 \grammarterm{member-specification}
 [256].
 \item%
 Functions registered by
-\tcode{atexit()} [32].
+\tcode{atexit()}\iref{support.start.term} [32].
 \item%
 Functions registered by
-\tcode{at_quick_exit()} [32].
+\tcode{at_quick_exit()}\iref{support.start.term} [32].
 \item%
-Direct and indirect base classes [16\,384].
+Direct and indirect base classes\iref{class.derived} [16\,384].
 \item%
-Direct base classes for a single class [1\,024].
+Direct base classes for a single class\iref{class.derived} [1\,024].
 \item%
-Members declared in a single class [4\,096].
+Members declared in a single class\iref{class.mem} [4\,096].
 \item%
 Final overriding virtual functions in a class,
-accessible or not [16\,384].
+accessible or not\iref{class.virtual} [16\,384].
 \item%
-Direct and indirect virtual bases of a class [1\,024].
+Direct and indirect virtual bases of a class\iref{class.mi} [1\,024].
 \item%
-Static members of a class [1\,024].
+Static members of a class\iref{class.static} [1\,024].
 \item%
-Friend declarations in a class [4\,096].
+Friend declarations in a class\iref{class.friend} [4\,096].
 \item%
-Access control declarations in a class [4\,096].
+Access control declarations in a class\iref{class.access.spec} [4\,096].
 \item%
-Member initializers in a constructor definition [6\,144].
+Member initializers in a constructor definition\iref{class.base.init} [6\,144].
 \item%
-\grammarterm{initializer-clause}{s} in one \grammarterm{braced-init-list} [16\,384].
+\grammarterm{initializer-clause}{s} in one \grammarterm{braced-init-list}\iref{dcl.init} [16\,384].
 \item%
-Scope qualifications of one identifier [256].
+Scope qualifications of one identifier\iref{expr.prim.id.qual} [256].
 \item%
 Nested external specifications [1\,024].
 \item%
-Recursive constexpr function invocations [512].
+Recursive constexpr function invocations\iref{dcl.constexpr} [512].
 \item%
-Full-expressions evaluated within a core constant expression [1\,048\,576].
+Full-expressions evaluated within a core constant expression\iref{expr.const} [1\,048\,576].
 \item%
-Template arguments in a template declaration [1\,024].
+Template arguments in a template declaration\iref{temp.param} [1\,024].
 \item%
-Recursively nested template instantiations, including substitution
+Recursively nested template instantiations\iref{temp.inst}, including substitution
 during template argument deduction\iref{temp.deduct} [1\,024].
 \item%
-Handlers per try block [256].
+Handlers per try block\iref{except.handle} [256].
 \item%
 Number of placeholders\iref{func.bind.place} [10].