--- a/docs/make-screenshots.sh	Thu Sep 04 16:11:09 2014 +0900
+++ b/docs/make-screenshots.sh	Thu Sep 04 20:26:57 2014 +0900
@@ -11,7 +11,7 @@
 for what in 'exit' venv hg git root ; do
     clear
 
-    grep -v '^\s*\(#\|$\)' "./prompt-session-${what}.sh" | bash -i
+    grep -v '^\s*\(#\|$\)' "./prompt-session-${what}.sh" | HISTFILE= bash -i
     sleep 1 # otherwise "$ 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"