Add the settabvar() and gettabvar() functions.
Various runtime file updates.
diff --git a/runtime/doc/usr_22.txt b/runtime/doc/usr_22.txt
index 56271cc..72119c1 100644
--- a/runtime/doc/usr_22.txt
+++ b/runtime/doc/usr_22.txt
@@ -98,7 +98,7 @@
< (etc)
The <F1> key thus brings you to a netrw directory browsing contents help page.
-Its a regular help page; use the usual |CTRL-]| to jump to tagged help items
+It's a regular help page; use the usual |CTRL-]| to jump to tagged help items
and |CTRL-O| to jump back.
To select files for display and editing: (with the cursor is atop a filename)
@@ -358,7 +358,7 @@
:buffer help
-Vim will find a best match for the name you type. If there is only one
+Vim will find the best match for the name you type. If there is only one
buffer that matches the name, it will be used. In this case "help.txt".
To open a buffer in a new window: >