[extern.types] Use "declared" for C library types

frederick-vs-ja · frederick-vs-ja · commit d38505b47bee · 2025-08-25T10:46:59.000+08:00
diff --git a/source/lib-intro.tex b/source/lib-intro.tex
@@ -3376,7 +3376,7 @@
 \tcode{::T}
 and
 \tcode{std::T}
-are reserved to the implementation and, when defined,
+are reserved to the implementation and, when declared,
 \tcode{::T}
 shall be identical to
 \tcode{std::T}.
