SIL.rst: Rework the "Syntax" section.
SIL.rst: Rework the "Syntax" section.

Describe the syntax entities as implemented by Chris and Manman in the parser.

Swift SVN r6419

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