[cpp.cond] Complete has-embed expressions before macro replacement

Author: AlisdairM

source/preprocessor.tex

@@ -538,7 +538,8 @@
 After all replacements due to macro expansion and
 evaluations of
 \grammarterm{defined-macro-expression}s,
-\grammarterm{has-include-expression}s, and
+\grammarterm{has-include-expression}s,
+\grammarterm{has-embed-expression}s, and
 \grammarterm{has-attribute-expression}s
 have been performed,
 all remaining identifiers and keywords,