CWG2913 Grammar for deduction-guide has requires-clause in the wrong position

Author: burblebee

source/templates.tex

@@ -2518,7 +2518,7 @@
 
 \begin{bnf}
 \nontermdef{deduction-guide}\br
-    \opt{explicit-specifier} template-name \terminal{(} parameter-declaration-clause \terminal{)} \opt{requires-clause} \terminal{->} simple-template-id \terminal{;}
+    \opt{explicit-specifier} template-name \terminal{(} parameter-declaration-clause \terminal{)} \terminal{->} simple-template-id \opt{requires-clause} \terminal{;}
 \end{bnf}
 
 \pnum