Add paper numbers

Author: jaredhoberock

README.md

@@ -1,4 +1,4 @@
-    Document Number: NXXXX+1
+    Document Number: N4743
     Date:            2018-04-02
     Revises:
     Project:         Programming Language C++
@@ -9,11 +9,11 @@
 
 # Parallelism TS Editor's Report, post-Jacksonville mailing 
 
-NXXXX is the proposed working draft of Parallelism TS Version 2. It contains normative changes as directed by the ISO C++ Standards Committee at the 2018 Jacksonville meeting and editorial changes to the Parallelism TS.
+N4742 is the proposed working draft of Parallelism TS Version 2. It contains normative changes as directed by the ISO C++ Standards Committee at the 2018 Jacksonville meeting and editorial changes to the Parallelism TS.
 
-NXXXX updates the previous draft, N4725, published in the pre-Jacksonville mailing.
+N4742 updates the previous draft, N4725, published in the pre-Jacksonville mailing.
 
-NYYYY is document NXXXX reformatted as a PDTS draft document.
+N4744 is document N4742 reformatted as a PDTS document.
 
 ## Normative Changes
 

front_matter.html

@@ -1,5 +1,5 @@
 <cxx-titlepage stage="draft">
-<cxx-docnum>NXXXX</cxx-docnum>
+<cxx-docnum>N4742</cxx-docnum>
 <cxx-project-number>19570</cxx-project-number>
   <time pubdate="">2018-04-02</time>
   <cxx-revises><a href="http://wg21.link/N4725">N4725</a></cxx-revises>