newbie - variable "buried in quotes"

[plsullivan]

I've got a variable deep inside some quotes needed by the application I
am using. I can't figure out how to make this work. (Also, is there a
line continuation character?)
Thanks in advance,
Phil

luser = win32api.GetUserName()

gp.FeatureclassToCoverage_conversion("'Database
Connections\\%s at GIS_srv-earth.sde\\GIS.GIS.Cadastral\\GIS.GIS.Parcels'
POLYGON", prcl83, "", "DOUBLE") % luser