Add the settabvar() and gettabvar() functions.
Various runtime file updates.
diff --git a/runtime/doc/scroll.txt b/runtime/doc/scroll.txt
index f6c0f69..f3a6aae 100644
--- a/runtime/doc/scroll.txt
+++ b/runtime/doc/scroll.txt
@@ -132,7 +132,7 @@
*zz*
zz Like "z.", but leave the cursor in the same column.
- Careful: If caps-lock is on, this commands becomes
+ Careful: If caps-lock is on, this command becomes
"ZZ": write buffer and exit! {not in Vi}
*z-*
@@ -193,7 +193,7 @@
5. Scrolling synchronously *scroll-binding*
Occasionally, it is desirable to bind two or more windows together such that
-when one window is scrolled, the other windows are scrolled also. In Vim,
+when one window is scrolled, the other windows are also scrolled. In Vim,
windows can be given this behavior by setting the (window-specific)
'scrollbind' option. When a window that has 'scrollbind' set is scrolled, all
other 'scrollbind' windows are scrolled the same amount, if possible. The