updated for version 7.3.873
Problem:    Cannot easily use :s to make title case.
Solution:   Have "\L\u" result in title case. (James McCoy)
diff --git a/src/version.c b/src/version.c
index 072005f..82eca72 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    873,
+/**/
     872,
 /**/
     871,