patch 7.4.1611
Problem: The versplit feature makes the code uneccessary complicated.
Solution: Remove FEAT_VERTSPLIT, always support vertical splits when
FEAT_WINDOWS is defined.
diff --git a/src/misc1.c b/src/misc1.c
index 27ca83e..a764a7b 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -1976,7 +1976,7 @@
if (!wp->w_p_wrap)
return 1;
-#ifdef FEAT_VERTSPLIT
+#ifdef FEAT_WINDOWS
if (wp->w_width == 0)
return 1;
#endif
@@ -2052,7 +2052,7 @@
if (!wp->w_p_wrap)
return lines + 1;
-#ifdef FEAT_VERTSPLIT
+#ifdef FEAT_WINDOWS
if (wp->w_width == 0)
return lines + 1;
#endif