Add the settabvar() and gettabvar() functions.
Various runtime file updates.
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 3493a14..a2d2a4a 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -5292,7 +5292,7 @@
 			local to window
 			{not in Vi}
 	Show the line number relative to the line with the cursor in front of
-	each line. Relative line numbers help you using the |count| you can
+	each line. Relative line numbers help you use the |count| you can
 	precede some vertical motion commands (e.g. j k + -) with, without
 	having to calculate it yourself. Especially useful in combination with
 	other commands (e.g. y d c < > gq gw =).