fix bug in Prompt where PS2 wasn't being used
fix bug in Prompt where PS2 wasn't being used

Ignore-this: 16c83dfdaf43fddbf156e15b53df2de9

darcs-hash:20081119031822-0087a-f7961f0e89c430539f5ff88e523a3fb26d9a237d

shicks/shsh,shicks/shsh