Fixed Space() causing panics during size calculations.

1 files changed, 5 insertions, 1 deletions

diff --git a/grid.go b/grid.go
index a298834..53c7d35 100644
--- a/grid.go
+++ b/grid.go
@@ -188,7 +188,11 @@ _=ymargin
 			if current != nil {			// connect first left to first right
 				current.neighbor = c
 			}
-			current = as[0]				// next left is first subwidget
+			if len(as) != 0 {
+				current = as[0]			// next left is first subwidget
+			} else {
+				current = nil			// spaces don't have allocation data
+			}
 			allocations = append(allocations, as...)
 			x += g.colwidths[col]
 		}