--- a/docs/make-screenshots.sh	Thu Sep 04 15:28:56 2014 +0900
+++ b/docs/make-screenshots.sh	Thu Sep 04 15:40:10 2014 +0900
@@ -12,7 +12,7 @@
     clear
 
     grep -v '^\s*\(#\|$\)' "./prompt-session-${what}.sh" | bash -i
-    sleep 1
+    sleep 1 # otherwise "$ exit" is in a superposition of showing and not showing
     import -window $WINDOWID "./prompt-${what}.png"
     mogrify -trim -background black -extent 800x "./prompt-${what}.png"
 done