[sil-mode] Fix highlighting of end_borrow so that it supports highlighting when a borrowed register has more than 1 alphanum in its register id.
[sil-mode] Fix highlighting of end_borrow so that it supports highlighting when a borrowed register has more than 1 alphanum in its register id.

swiftix/swift,jtbandes/swift,harlanhaskins/swift,roambotics/swift,lorentey/swift,djwbrown/swift,ahoppen/swift,hooman/swift,atrick/swift,zisko/swift,zisko/swift,jopamer/swift,zisko/swift,alblue/swift,tinysun212/swift-windows,parkera/swift,karwa/swift,tjw/swift,JGiola/swift,gregomni/swift,roambotics/swift,arvedviehweger/swift,jmgc/swift,jtbandes/swift,sschiau/swift,hughbe/swift,gribozavr/swift,allevato/swift,benlangmuir/swift,devincoughlin/swift,shajrawi/swift,zisko/swift,jtbandes/swift,amraboelela/swift,allevato/swift,ahoppen/swift,Jnosh/swift,huonw/swift,lorentey/swift,lorentey/swift,manavgabhawala/swift,alblue/swift,CodaFi/swift,xedin/swift,stephentyrone/swift,parkera/swift,xwu/swift,huonw/swift,shajrawi/swift,xwu/swift,jckarter/swift,lorentey/swift,bitjammer/swift,swiftix/swift,huonw/swift,hughbe/swift,uasys/swift,lorentey/swift,milseman/swift,jckarter/swift,glessard/swift,CodaFi/swift,OscarSwanros/swift,allevato/swift,return/swift,natecook1000/swift,xedin/swift,benlangmuir/swift,sschiau/swift,jopamer/swift,arvedviehweger/swift,shajrawi/swift,airspeedswift/swift,bitjammer/swift,zisko/swift,Jnosh/swift,devincoughlin/swift,gribozavr/swift,amraboelela/swift,uasys/swift,alblue/swift,tkremenek/swift,tjw/swift,airspeedswift/swift,shahmishal/swift,gribozavr/swift,bitjammer/swift,return/swift,djwbrown/swift,return/swift,sschiau/swift,airspeedswift/swift,deyton/swift,xedin/swift,danielmartin/swift,natecook1000/swift,airspeedswift/swift,nathawes/swift,deyton/swift,jopamer/swift,bitjammer/swift,tinysun212/swift-windows,glessard/swift,devincoughlin/swift,Jnosh/swift,stephentyrone/swift,sschiau/swift,felix91gr/swift,OscarSwanros/swift,apple/swift,ahoppen/swift,parkera/swift,jckarter/swift,frootloops/swift,djwbrown/swift,alblue/swift,glessard/swift,benlangmuir/swift,djwbrown/swift,arvedviehweger/swift,xedin/swift,arvedviehweger/swift,frootloops/swift,djwbrown/swift,practicalswift/swift,rudkx/swift,lorentey/swift,airspeedswift/swift,hughbe/swift,stephentyrone/swift,apple/swift,CodaFi/swift,JGiola/swift,return/swift,natecook1000/swift,glessard/swift,austinzheng/swift,allevato/swift,devincoughlin/swift,shahmishal/swift,amraboelela/swift,atrick/swift,atrick/swift,practicalswift/swift,practicalswift/swift,benlangmuir/swift,ahoppen/swift,frootloops/swift,jckarter/swift,apple/swift,austinzheng/swift,swiftix/swift,sschiau/swift,swiftix/swift,parkera/swift,sschiau/swift,roambotics/swift,harlanhaskins/swift,aschwaighofer/swift,stephentyrone/swift,OscarSwanros/swift,airspeedswift/swift,shajrawi/swift,Jnosh/swift,bitjammer/swift,gribozavr/swift,alblue/swift,gribozavr/swift,nathawes/swift,jckarter/swift,brentdax/swift,jtbandes/swift,OscarSwanros/swift,CodaFi/swift,rudkx/swift,arvedviehweger/swift,austinzheng/swift,OscarSwanros/swift,felix91gr/swift,felix91gr/swift,allevato/swift,xwu/swift,manavgabhawala/swift,hooman/swift,harlanhaskins/swift,airspeedswift/swift,huonw/swift,amraboelela/swift,alblue/swift,nathawes/swift,roambotics/swift,sschiau/swift,apple/swift,tinysun212/swift-windows,practicalswift/swift,harlanhaskins/swift,hooman/swift,nathawes/swift,milseman/swift,brentdax/swift,tjw/swift,glessard/swift,shajrawi/swift,zisko/swift,hooman/swift,huonw/swift,lorentey/swift,calebd/swift,gregomni/swift,harlanhaskins/swift,hooman/swift,rudkx/swift,gribozavr/swift,calebd/swift,austinzheng/swift,danielmartin/swift,frootloops/swift,amraboelela/swift,karwa/swift,natecook1000/swift,devincoughlin/swift,gregomni/swift,deyton/swift,aschwaighofer/swift,danielmartin/swift,karwa/swift,milseman/swift,CodaFi/swift,huonw/swift,jmgc/swift,parkera/swift,austinzheng/swift,nathawes/swift,apple/swift,CodaFi/swift,shajrawi/swift,roambotics/swift,xedin/swift,jckarter/swift,milseman/swift,tjw/swift,deyton/swift,karwa/swift,uasys/swift,xwu/swift,calebd/swift,tinysun212/swift-windows,frootloops/swift,stephentyrone/swift,benlangmuir/swift,gregomni/swift,jmgc/swift,parkera/swift,jtbandes/swift,jopamer/swift,deyton/swift,arvedviehweger/swift,jtbandes/swift,JGiola/swift,milseman/swift,tjw/swift,shahmishal/swift,jopamer/swift,aschwaighofer/swift,amraboelela/swift,OscarSwanros/swift,nathawes/swift,djwbrown/swift,xwu/swift,danielmartin/swift,frootloops/swift,aschwaighofer/swift,parkera/swift,codestergit/swift,practicalswift/swift,practicalswift/swift,shajrawi/swift,return/swift,uasys/swift,shahmishal/swift,ahoppen/swift,jmgc/swift,djwbrown/swift,glessard/swift,stephentyrone/swift,swiftix/swift,sschiau/swift,huonw/swift,uasys/swift,brentdax/swift,tinysun212/swift-windows,arvedviehweger/swift,jmgc/swift,brentdax/swift,devincoughlin/swift,natecook1000/swift,JGiola/swift,swiftix/swift,devincoughlin/swift,return/swift,devincoughlin/swift,bitjammer/swift,parkera/swift,hughbe/swift,felix91gr/swift,atrick/swift,jckarter/swift,felix91gr/swift,xedin/swift,xwu/swift,shahmishal/swift,Jnosh/swift,aschwaighofer/swift,tkremenek/swift,allevato/swift,hughbe/swift,danielmartin/swift,hooman/swift,atrick/swift,Jnosh/swift,austinzheng/swift,brentdax/swift,gribozavr/swift,calebd/swift,ka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