Add the settabvar() and gettabvar() functions.
Various runtime file updates.
diff --git a/runtime/doc/version5.txt b/runtime/doc/version5.txt
index 772c3cc..74e1bfc 100644
--- a/runtime/doc/version5.txt
+++ b/runtime/doc/version5.txt
@@ -7149,7 +7149,7 @@
Patch 5.6.060
Problem: Some bold characters spill over to the cell on the left, that
spill-over can remain sometimes.
-Solution: Redraw a characters when the next character was bold and needs
+Solution: Redraw a character when the next character was bold and needs
redrawing. (Robert Webb)
Files: src/screen.c