Update SIL.rst with the notion of string encoding for literals.
Update SIL.rst with the notion of string encoding for literals.

Swift SVN r11908

ken0nek/swift,mightydeveloper/swift,dduan/swift,harlanhaskins/swift,arvedviehweger/swift,johnno1962d/swift,xwu/swift,swiftix/swift.old,return/swift,deyton/swift,kperryua/swift,therealbnut/swift,modocache/swift,austinzheng/swift,gottesmm/swift,OscarSwanros/swift,dreamsxin/swift,bitjammer/swift,SwiftAndroid/swift,shahmishal/swift,swiftix/swift,return/swift,swiftix/swift.old,apple/swift,johnno1962d/swift,jopamer/swift,kentya6/swift,manavgabhawala/swift,brentdax/swift,brentdax/swift,danielmartin/swift,LeoShimonaka/swift,practicalswift/swift,Ivacker/swift,zisko/swift,parkera/swift,tardieu/swift,jtbandes/swift,kstaring/swift,austinzheng/swift,kusl/swift,tjw/swift,lorentey/swift,xedin/swift,nathawes/swift,allevato/swift,CodaFi/swift,alblue/swift,johnno1962d/swift,swiftix/swift,tkremenek/swift,khizkhiz/swift,tardieu/swift,tinysun212/swift-windows,tjw/swift,uasys/swift,swiftix/swift,zisko/swift,harlanhaskins/swift,Jnosh/swift,adrfer/swift,OscarSwanros/swift,uasys/swift,xwu/swift,benlangmuir/swift,jtbandes/swift,codestergit/swift,felix91gr/swift,manavgabhawala/swift,CodaFi/swift,shajrawi/swift,frootloops/swift,ben-ng/swift,roambotics/swift,dduan/swift,uasys/swift,devincoughlin/swift,tinysun212/swift-windows,kusl/swift,gregomni/swift,gregomni/swift,therealbnut/swift,brentdax/swift,kstaring/swift,russbishop/swift,hooman/swift,tardieu/swift,gottesmm/swift,gregomni/swift,tinysun212/swift-windows,gmilos/swift,xwu/swift,stephentyrone/swift,devincoughlin/swift,alblue/swift,milseman/swift,jtbandes/swift,emilstahl/swift,deyton/swift,zisko/swift,ben-ng/swift,ahoppen/swift,gmilos/swift,roambotics/swift,modocache/swift,KrishMunot/swift,sschiau/swift,danielmartin/swift,xedin/swift,gribozavr/swift,Ivacker/swift,jtbandes/swift,kentya6/swift,milseman/swift,therealbnut/swift,sschiau/swift,jmgc/swift,modocache/swift,deyton/swift,sschiau/swift,sschiau/swift,lorentey/swift,MukeshKumarS/Swift,aschwaighofer/swift,therealbnut/swift,xedin/swift,shajrawi/swift,KrishMunot/swift,rudkx/swift,huonw/swift,tardieu/swift,slavapestov/swift,jckarter/swift,IngmarStein/swift,bitjammer/swift,xedin/swift,kusl/swift,bitjammer/swift,swiftix/swift.old,felix91gr/swift,kperryua/swift,codestergit/swift,bitjammer/swift,mightydeveloper/swift,djwbrown/swift,hooman/swift,johnno1962d/swift,russbishop/swift,kentya6/swift,SwiftAndroid/swift,LeoShimonaka/swift,manavgabhawala/swift,natecook1000/swift,SwiftAndroid/swift,roambotics/swift,manavgabhawala/swift,kusl/swift,swiftix/swift.old,natecook1000/swift,shahmishal/swift,ben-ng/swift,brentdax/swift,swiftix/swift,stephentyrone/swift,alblue/swift,cbrentharris/swift,lorentey/swift,IngmarStein/swift,calebd/swift,shajrawi/swift,kstaring/swift,karwa/swift,aschwaighofer/swift,codestergit/swift,gottesmm/swift,LeoShimonaka/swift,allevato/swift,parkera/swift,IngmarStein/swift,airspeedswift/swift,mightydeveloper/swift,shajrawi/swift,sdulal/swift,benlangmuir/swift,ben-ng/swift,amraboelela/swift,russbishop/swift,slavapestov/swift,emilstahl/swift,austinzheng/swift,lorentey/swift,modocache/swift,swiftix/swift,OscarSwanros/swift,djwbrown/swift,danielmartin/swift,rudkx/swift,hughbe/swift,khizkhiz/swift,slavapestov/swift,brentdax/swift,danielmartin/swift,codestergit/swift,Jnosh/swift,ben-ng/swift,frootloops/swift,lorentey/swift,kentya6/swift,milseman/swift,harlanhaskins/swift,deyton/swift,kentya6/swift,frootloops/swift,JaSpa/swift,swiftix/swift,kperryua/swift,mightydeveloper/swift,IngmarStein/swift,aschwaighofer/swift,shahmishal/swift,nathawes/swift,return/swift,adrfer/swift,apple/swift,hooman/swift,karwa/swift,austinzheng/swift,felix91gr/swift,KrishMunot/swift,jmgc/swift,tkremenek/swift,sdulal/swift,johnno1962d/swift,mightydeveloper/swift,karwa/swift,gmilos/swift,devincoughlin/swift,gribozavr/swift,benlangmuir/swift,natecook1000/swift,stephentyrone/swift,felix91gr/swift,mightydeveloper/swift,gribozavr/swift,airspeedswift/swift,alblue/swift,gregomni/swift,OscarSwanros/swift,arvedviehweger/swift,nathawes/swift,IngmarStein/swift,allevato/swift,ken0nek/swift,jopamer/swift,brentdax/swift,dduan/swift,return/swift,devincoughlin/swift,JaSpa/swift,ben-ng/swift,LeoShimonaka/swift,cbrentharris/swift,atrick/swift,practicalswift/swift,karwa/swift,hughbe/swift,gribozavr/swift,hooman/swift,felix91gr/swift,practicalswift/swift,glessard/swift,airspeedswift/swift,milseman/swift,huonw/swift,shahmishal/swift,jopamer/swift,adrfer/swift,devincoughlin/swift,khizkhiz/swift,JGiola/swift,ahoppen/swift,codestergit/swift,jckarter/swift,tkremenek/swift,stephentyrone/swift,sschiau/swift,jopamer/swift,kentya6/swift,IngmarStein/swift,ken0nek/swift,ben-ng/swift,jckarter/swift,huonw/swift,allevato/swift,felix91gr/swift,calebd/swift,cbrentharris/swift,swiftix/swift.old,tkremenek/swift,atrick/swift,tjw/swift,KrishMunot/swift,rudkx/swift,apple/swift,tinysun212/swift-windows,KrishMunot/swift,CodaFi/swift,zisko/swift,ken0nek/swift,tkremenek/swift,tardieu/swift,slavapestov/swift,deyton/swift,MukeshKumarS/Swift,uasys/swift,emilstahl/swift,JaSpa/swift,shajrawi/swift,MukeshKumarS/Swift,CodaFi/swift,calebd/swift,nathawes/swift,manavgabhawala/swift,dreamsxin/swift,swiftix/swift,frootloops/swift,JGiola/swift,shahmishal/swift,bitjammer/swift,stephentyrone/swift,devincoughlin/swift,harlanhaskins/swift,emilstahl/swift,alblue/swift,uasys/swift,rudkx/swift,calebd/swift,Ivacker/swift,huonw/swift,djwbrown/swift,allevato/swift,tinysun212/swift-windows,Jnosh/swift,practicalswift/swift,slavapestov/swift,gmilos/swift,tkremenek/swift,stephentyrone/swift,amraboelela/swift,amraboelela/swift,adrfer/swift,glessard/swift,sdulal/swift,nathawes/swift,JaSpa/swift,karwa/swift,lorentey/swift,stephentyrone/swift,jopamer/swift,sschiau/swift,slavapestov/swift,parkera/swift,LeoShimonaka/swift,dduan/swift,JaSpa/swift,hughbe/swift,hughbe/swift,practicalswift/swift,tjw/swift,ahoppen/swift,codestergit/swift,Jnosh/swift,xwu/swift,austinzheng/swift,huonw/swift,jckarter/swift,khizkhiz/swift,shahmishal/swift,austinzheng/swift,kperryua/swift,LeoShimonaka/swift,felix91gr/swift,jopamer/swift,rudkx/swift,natecook1000/swift,kentya6/swift,ken0nek/swift,kusl/swift,gottesmm/swift,tardieu/swift,jmgc/swift,kperryua/swift,tjw/swift,milseman/swift,djwbrown/swift,parkera/swift,JGiola/swift,manavgabhawala/swift,lorentey/swift,kusl/swift,tjw/swift,dduan/swift,aschwaighofer/swift,OscarSwanros/swift,natecook1000/swift,MukeshKumarS/Swift,gmilos/swift,MukeshKumarS/Swift,russbishop/swift,xedin/swift,glessard/swift,tjw/swift,xwu/swift,cbrentharris/swift,benlangmuir/swift,djwbrown/swift,JaSpa/swift,sschiau/swift,shajrawi/swift,ahoppen/swift,parkera/swift,swiftix/swift.old,glessard/swift,SwiftAndroid/swift,russbishop/swift,therealbnut/swift,IngmarStein/swift,huonw/swift,brentdax/swift,alblue/swift,shahmishal/swift,deyton/swift,gribozavr/swift,aschwaighofer/swift,Ivacker/swift,bitjammer/swift,aschwaighofer/swift,atrick/swift,devincoughlin/swift,practicalswift/swift,sdulal/swift,manavgabhawala/swift,ahoppen/swift,JaSpa/swift,MukeshKumarS/Swift,hughbe/swift,SwiftAndroid/swift,dduan/swift,gregomni/swift,modocache/swift,Ivacker/swift,mightydeveloper/swift,arvedviehweger/swift,deyton/swift,practicalswift/swift,danielmartin/swift,airspeedswift/swift,adrfer/swift,zisko/swift,modocache/swift,slavapestov/swift,kperryua/swift,ahoppen/swift,practicalswift/swift,gribozavr/swift,gmilos/swift,shajrawi/swift,milseman/swift,KrishMunot/swift,nathawes/swift,roambotics/swift,allevato/swift,jmgc/swift,jckarter/swift,kperryua/swift,LeoShimonaka/swift,frootloops/swift,calebd/swift,hughbe/swift,amraboelela/swift,amraboelela/swift,cbrentharris/swift,MukeshKumarS/Swift,airspeedswift/swift,lorentey/swift,swiftix/swift.old,uasys/swift,tkremenek/swift,OscarSwanros/swift,amraboelela/swift,danielmartin/swift,Ivacker/swift,gottesmm/swift,xedin/swift,huonw/swift,jmgc/swift,kstaring/swift,modocache/swift,devincoughlin/swift,tinysun212/swift-windows,roambotics/swift,jtbandes/swift,OscarSwanros/swift,harlanhaskins/swift,arvedviehweger/swift,swiftix/swift.old,parkera/swift,djwbrown/swift,hooman/swift,milseman/swift,parkera/swift,jopamer/swift,tinysun212/swift-windows,gregomni/swift,sdulal/swift,karwa/swift,CodaFi/swift,Ivacker/swift,CodaFi/swift,therealbnut/swift,jmgc/swift,sdulal/swift,apple/swift,codestergit/swift,return/swift,CodaFi/swift,aschwaighofer/swift,Ivacker/swift,arvedviehweger/swift,gmilos/swift,arvedviehweger/swift,khizkhiz/swift,benlangmuir/swift,shahmishal/swift,alblue/swift,khizkhiz/swift,nathawes/swift,benlangmuir/swift,Jnosh/swift,xwu/swift,kusl/swift,austinzheng/swift,frootloops/swift,calebd/swift,natecook1000/swift,russbishop/swift,emilstahl/swift,gottesmm/swift,adrfer/swift,return/swift,xedin/swift,Jnosh/swift,cbrentharris/swift,atrick/swift,gottesmm/swift,adrfer/swift,JGiola/swift,return/swift,hooman/swift,djwbrown/swift,jtbandes/swift,xedin/swift,atrick/swift,danielmartin/swift,gribozavr/swift,apple/swift,therealbnut/swift,kstaring/swift,glessard/swift,glessard/swift,allevato/swift,xwu/swift,LeoShimonaka/swift,JGiola/swift,ken0nek/swift,shajrawi/swift,roambotics/swift,airspeedswift/swift,parkera/swift,gribozavr/swift,dduan/swift,kusl/swift,karwa/swift,KrishMunot/swift,jckarter/swift,ken0nek/swift,hooman/swift,uasys/swift,karwa/swift,Jnosh/swift,calebd/swift,jmgc/swift,sschiau/swift,zisko/swift,jckarter/swift,tardieu/swift,cbrentharris/swift,johnno1962d/swift,johnno1962d/swift,natecook1000/swift,sdulal/swift,airspeedswift/swift,harlanhaskins/swift,mightydeveloper/swift,harlanhaskins/swift,emilstahl/swift,kstaring/swift,cbrentharris/swift,SwiftAndroid/swift,apple/swift,russbishop/swift,emilstahl/swift,frootloops/swift,arvedviehweger/swift,sdulal/swift,amraboelela/swift,SwiftAndroid/swift,kstaring/swift,khizkhiz/swift,bitjammer/swift,hughbe/swift,zisko/swift,jtbandes/swift,rudkx/swift,emilstahl/swift,kentya6/swift,atrick/swift,JGiola/swift