2013-04-11: added multiline input

added multiline input

diff --git a/Readme.txt b/Readme.txt
--- a/Readme.txt
+++ b/Readme.txt
@@ -29,3 +29,9 @@ More powerful usage (in case you use uni
     cat infile.wisp | ./wisp.py - | guile -s /dev/stdin
 
 That converts the infile to scheme and executes it via guile.
+
+Or with bash, extend this to a multiline input:
+
+    while read in ; do echo $in ; done | ./wisp.py - | guile -s /dev/stdin
+
+(finish the input with CTRL-D)