local utf = unicode.utf8
-vis = buffers.newvisualizer("trans")
+local vis = buffers.newvisualizer("trans")
local commands = {}
-- A command to create a horizontal rule.
break
end
end
-
+
+ if not len then
+ error("No horizontal separator found in:\n" .. table.concat(lines, "\n"))
+ end
+
-- Split the input in three parts. Stuff before the line, stuff
-- after the line, stuff to the right of the line.
before, after, rights = {}, {}, {}