[range.zip.transform.iterator] Avoid "defining" iterator_category

Use "declare" instead.
cplusplus · frederick-vs-ja · Apr 24, 2024 · Aug 2, 2023 · Aug 2, 2023 · Aug 2, 2023
commit eb8d56a24244bebd3757d12c88fa5719c81d9784
diff --git a/source/ranges.tex b/source/ranges.tex
@@ -12193,7 +12193,7 @@
 \pnum
 The member \grammarterm{typedef-name}
 \tcode{\exposid{iterator}::iterator_category}
-is defined if and only if \exposid{Base} models \libconcept{forward_range}.
+is declared if and only if \exposid{Base} models \libconcept{forward_range}.
 In that case,
 \tcode{\exposid{iterator}::iterator_category} is defined as follows:
 \begin{itemize}