[stdlib] TextFormatting.*: formatForDebugging => debugFormat
[stdlib] TextFormatting.*: formatForDebugging => debugFormat

Now that we don't have formatForPrinting anymore, a terser name for
debugFormat makes more sense.  Also, the new name isn't freighted with
so much implication about the end-user's activity.

Swift SVN r7256

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