[dcl.spec.auto] Add index entry for 'placeholder type'.

Eelis · Eelis · commit 79d4a40bf2f7 · 2023-03-05T18:22:05.000+01:00
diff --git a/source/declarations.tex b/source/declarations.tex
@@ -1606,7 +1606,7 @@
 
 \pnum
 A \grammarterm{placeholder-type-specifier}
-designates a placeholder type that will be replaced later by deduction
+designates a \defnadj{placeholder}{type} that will be replaced later by deduction
 from an initializer.
 
 \pnum
