bash completion documentation fix for GNU Bash-4.2
bash completion documentation fix for GNU Bash-4.2

In GNU Bash-4.2, I have to put quotes around the eval statement for the shell to correctly interpret the output of the beet completion command.
Dishwishy/beets,ibmibmibm/beets,xsteadfastx/beets,arabenjamin/beets,bj-yinyan/beets,bj-yinyan/beets,mosesfistos1/beetbox,jcoady9/beets,lengtche/beets,moodboom/beets,Freso/beets,arabenjamin/beets,multikatt/beets,m-urban/beets,mried/beets,jcoady9/beets,ruippeixotog/beets,gabrielaraujof/beets,gabrielaraujof/beets,asteven/beets,parapente/beets,moodboom/beets,diego-plan9/beets,untitaker/beets,ttsda/beets,dfc/beets,drm00/beets,asteven/beets,swt30/beets,ibmibmibm/beets,PierreRust/beets,YetAnotherNerd/beets,diego-plan9/beets,tima/beets,dfc/beets,ibmibmibm/beets,YetAnotherNerd/beets,mried/beets,kelvinhammond/beets,ttsda/beets,shanemikel/beets,Kraymer/beets,artemutin/beets,shanemikel/beets,kelvinhammond/beets,mried/beets,drm00/beets,beetbox/beets,Andypsamp/CODfinalJUNIT,PierreRust/beets,xsteadfastx/beets,drm00/beets,SusannaMaria/beets,jmwatte/beets,multikatt/beets,shanemikel/beets,swt30/beets,kelvinhammond/beets,Kraymer/beets,jackwilsdon/beets,Freso/beets,kareemallen/beets,kareemallen/beets,Dishwishy/beets,ttsda/beets,ttsda/beets,jmwatte/beets,xsteadfastx/beets,shamangeorge/beets,sadatay/beets,parapente/beets,SusannaMaria/beets,dfc/beets,untitaker/beets,ruippeixotog/beets,MyTunesFreeMusic/privacy-policy,marcuskrahl/beets,Dishwishy/beets,artemutin/beets,SusannaMaria/beets,kelvinhammond/beets,randybias/beets,pkess/beets,randybias/beets,dfc/beets,bj-yinyan/beets,bj-yinyan/beets,PierreRust/beets,shamangeorge/beets,randybias/beets,marcuskrahl/beets,mried/beets,LordSputnik/beets,imsparsh/beets,Kraymer/beets,PierreRust/beets,lengtche/beets,multikatt/beets,mathstuf/beets,Wen777/beets,moodboom/beets,mosesfistos1/beetbox,Andypsamp/CODfinalJUNIT,Andypsamp/CODjunit,multikatt/beets,sampsyo/beets,sadatay/beets,andremiller/beets,jmwatte/beets,lengtche/beets,andremiller/beets,imsparsh/beets,drm00/beets,beetbox/beets,xsteadfastx/beets,madmouser1/beets,Andypsamp/CODjunit,sampsyo/beets,marcuskrahl/beets,mosesfistos1/beetbox,jackwilsdon/beets,LordSputnik/beets,shanemikel/beets,gabrielaraujof/beets,lightwang1/beets,andremiller/beets,kareemallen/beets,imsparsh/beets,madmouser1/beets,jcoady9/beets,ruippeixotog/beets,pkess/beets,MyTunesFreeMusic/privacy-policy,jcoady9/beets,Andypsamp/CODjunit,MyTunesFreeMusic/privacy-policy,Dishwishy/beets,mathstuf/beets,diego-plan9/beets,lightwang1/beets,swt30/beets,kareemallen/beets,Kraymer/beets,lightwang1/beets,arabenjamin/beets,MyTunesFreeMusic/privacy-policy,jmwatte/beets,moodboom/beets,arabenjamin/beets,sampsyo/beets,asteven/beets,parapente/beets,madmouser1/beets,m-urban/beets,lengtche/beets,LordSputnik/beets,YetAnotherNerd/beets,Andypsamp/CODjunit,Wen777/beets,pkess/beets,artemutin/beets,m-urban/beets,imsparsh/beets,Andypsamp/CODfinalJUNIT,beetbox/beets,shamangeorge/beets,LordSputnik/beets,gabrielaraujof/beets,untitaker/beets,tima/beets,mathstuf/beets,shamangeorge/beets,swt30/beets,Andypsamp/CODjunit,m-urban/beets,tima/beets,YetAnotherNerd/beets,tima/beets,pkess/beets,Andypsamp/CODfinalJUNIT,ruippeixotog/beets,parapente/beets,artemutin/beets,beetbox/beets,untitaker/beets,asteven/beets,mathstuf/beets,mosesfistos1/beetbox,jackwilsdon/beets,Freso/beets,jackwilsdon/beets,marcuskrahl/beets,SusannaMaria/beets,sampsyo/beets,sadatay/beets,Andypsamp/CODfinalJUNIT,sadatay/beets,Freso/beets,lightwang1/beets,ibmibmibm/beets,madmouser1/beets,randybias/beets,diego-plan9/beets,Wen777/beets