SIL.rst: Sketch out some (still inadequate) documentation for sil_witness_tables.
SIL.rst: Sketch out some (still inadequate) documentation for sil_witness_tables.

Swift SVN r11837

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