Fix paper number for publication.

steve-downey · steve-downey · commit 770e929fa0de · 2025-12-21T14:39:31.000-05:00
diff --git a/papers/P2988/optional_range_optimization.tex b/papers/P2988/optional_range_optimization.tex
@@ -15,7 +15,7 @@
 
 \begin{flushright}
   \begin{tabular}{ll}
-    Document \#: & D3913R1 \\
+    Document \#: & P3913R1 \\
     Date: & \today \\
     Project: & Programming Language C++ \\
     Audience: & LWG
