tmux 2.1
tmux 2.1

Closes #45113.

Signed-off-by: Xu Cheng <9a05244150b861e40c78843b801eed71bca54eac@me.com>

tjschuck/homebrew,jamer/homebrew,dongcarl/homebrew,amarshall/homebrew,sometimesfood/homebrew,alex/homebrew,amjith/homebrew,vihangm/homebrew,AGWA-forks/homebrew,jconley/homebrew,slyphon/homebrew,hanxue/homebrew,yazuuchi/homebrew,iandennismiller/homebrew,skatsuta/homebrew,felixonmars/homebrew,MartinDelille/homebrew,Asuranceturix/homebrew,scpeters/homebrew,xyproto/homebrew,eagleflo/homebrew,getgauge/homebrew,jmagnusson/homebrew,dongcarl/homebrew,sakra/homebrew,sjackman/linuxbrew,tstack/homebrew,theeternalsw0rd/homebrew,gnubila-france/linuxbrew,sometimesfood/homebrew,gicmo/homebrew,jarrettmeyer/homebrew,nelstrom/homebrew,chadcatlett/homebrew,marcusandre/homebrew,knpwrs/homebrew,razamatan/homebrew,influxdb/homebrew,menivaitsi/homebrew,jbeezley/homebrew,tsaeger/homebrew,mactkg/homebrew,dkotvan/homebrew,bitrise-io/homebrew,jbeezley/homebrew,quantumsteve/homebrew,ilovezfs/homebrew,adamliter/homebrew,windoze/homebrew,deorth/homebrew,jamer/homebrew,mkrapp/homebrew,3van/homebrew,dgageot/homebrew,dericed/homebrew,deorth/homebrew,sakra/homebrew,elyscape/homebrew,zchee/homebrew,grepnull/homebrew,princeofdarkness76/homebrew,jeremiahyan/homebrew,Chilledheart/homebrew,slyphon/homebrew,a-b/homebrew,cchacin/homebrew,max-horvath/homebrew,georgschoelly/homebrew,retrography/homebrew,scorphus/homebrew,aaronwolen/homebrew,dgageot/homebrew,bukzor/linuxbrew,geoff-codes/homebrew,thinker0/homebrew,influxdata/homebrew,ralic/homebrew,menivaitsi/homebrew,okuramasafumi/homebrew,SteveClement/homebrew,dongcarl/homebrew,reelsense/homebrew,kenips/homebrew,xyproto/homebrew,pdpi/homebrew,joshua-rutherford/homebrew,hyuni/homebrew,xcezx/homebrew,SuperNEMO-DBD/cadfaelbrew,ge11232002/homebrew,afh/homebrew,miketheman/homebrew,cscetbon/homebrew,craig5/homebrew,megahall/homebrew,hongkongkiwi/homebrew,lvicentesanchez/homebrew,youtux/homebrew,ear/homebrew,treyharris/homebrew,hyuni/homebrew,danabrand/linuxbrew,amarshall/homebrew,cprecioso/homebrew,blogabe/homebrew,treyharris/homebrew,cosmo0920/homebrew,SuperNEMO-DBD/cadfaelbrew,tutumcloud/homebrew,alebcay/homebrew,tschoonj/homebrew,AlekSi/homebrew,vihangm/homebrew,jarrettmeyer/homebrew,dickeyxxx/homebrew,utzig/homebrew,slyphon/homebrew,zchee/homebrew,Habbie/homebrew,danieroux/homebrew,joshfriend/homebrew,tutumcloud/homebrew,Cutehacks/homebrew,elgertam/homebrew,jedahan/homebrew,jsjohnst/homebrew,petere/homebrew,koraktor/homebrew,sometimesfood/homebrew,jbeezley/homebrew,Cutehacks/homebrew,tschoonj/homebrew,keith/homebrew,Homebrew/homebrew,DoomHammer/linuxbrew,drewwells/homebrew,Cutehacks/homebrew,mttrb/homebrew,Red54/homebrew,nandub/homebrew,OJFord/homebrew,josa42/homebrew,OJFord/homebrew,manphiz/homebrew,emcrisostomo/homebrew,jab/homebrew,3van/homebrew,dickeyxxx/homebrew,jedahan/homebrew,emcrisostomo/homebrew,gnawhleinad/homebrew,influxdata/homebrew,booi/homebrew,martinklepsch/homebrew,retrography/homebrew,Homebrew/homebrew,osimola/homebrew,cosmo0920/homebrew,cchacin/homebrew,ericfischer/homebrew,sjackman/linuxbrew,ndimiduk/homebrew,arnested/homebrew,joshfriend/homebrew,menivaitsi/homebrew,treyharris/homebrew,ralic/homebrew,marcwebbie/homebrew,eagleflo/homebrew,mttrb/homebrew,frickler01/homebrew,johanhammar/homebrew,ablyler/homebrew,treyharris/homebrew,scpeters/homebrew,codeout/homebrew,ablyler/homebrew,AlexejK/homebrew,ento/homebrew,kodabb/homebrew,galaxy001/homebrew,MartinDelille/homebrew,zhipeng-jia/homebrew,jeremiahyan/homebrew,Chilledheart/homebrew,sferik/homebrew,ExtremeMan/homebrew,jconley/homebrew,muellermartin/homebrew,osimola/homebrew,Homebrew/linuxbrew,skinny-framework/homebrew,vladshablinsky/homebrew,MoSal/homebrew,patrickmckenna/homebrew,cprecioso/homebrew,amarshall/homebrew,haihappen/homebrew,xyproto/homebrew,hongkongkiwi/homebrew,lmontrieux/homebrew,skatsuta/homebrew,miketheman/homebrew,moyogo/homebrew,hakamadare/homebrew,a-b/homebrew,mttrb/homebrew,alex/homebrew,DoomHammer/linuxbrew,moyogo/homebrew,dalanmiller/homebrew,reelsense/homebrew,manphiz/homebrew,jconley/homebrew,ebouaziz/linuxbrew,dplarson/homebrew,elgertam/homebrew,zhipeng-jia/homebrew,influxdb/homebrew,3van/homebrew,colindean/homebrew,razamatan/homebrew,nandub/homebrew,bitrise-io/homebrew,davidcelis/homebrew,ear/homebrew,manphiz/homebrew,xcezx/homebrew,base10/homebrew,muellermartin/homebrew,bchatard/homebrew,decors/homebrew,kvs/homebrew,davydden/linuxbrew,jiashuw/homebrew,keith/homebrew,decors/homebrew,filcab/homebrew,lvicentesanchez/homebrew,amjith/homebrew,megahall/homebrew,sferik/homebrew,saketkc/linuxbrew,Noctem/homebrew,koraktor/homebrew,amjith/homebrew,marcusandre/homebrew,filcab/homebrew,adamliter/homebrew,changzuozhen/homebrew,brotbert/homebrew,esamson/homebrew,ilovezfs/homebrew,alex/homebrew,kashif/homebrew,osimola/homebrew,ehamberg/homebrew,haihappen/homebrew,dolfly/homebrew,haihappen/homebrew,afb/homebrew,reelsense/homebrew,skinny-framework/homebrew,bukzor/linuxbrew,jsjohnst/homebrew,lrascao/homebrew,michaKFromParis/homebrew-sparks,jmagnusson/homebrew,petere/homebrew,totalvoidness/homebrew,Homebrew/linuxbrew,apjanke/homebrew,booi/homebrew,davydden/linuxbrew,kvs/homebrew,zhipeng-jia/homebrew,Chilledheart/homebrew,eighthave/homebrew,kevinastone/homebrew,a-b/homebrew,kad/homebrew,mttrb/homebrew,cHoco/homebrew,skinny-framework/homebrew,ebouaziz/linuxbrew,redpen-cc/homebrew,jsjohnst/homebrew,keith/homebrew,teslamint/homebrew,mommel/homebrew,gicmo/homebrew,filcab/homebrew,polishgeeks/homebrew,iostat/homebrew2,tsaeger/homebrew,ybott/homebrew,megahall/homebrew,Asuranceturix/homebrew,scorphus/homebrew,dutchcoders/homebrew,Linuxbrew/linuxbrew,mtigas/homebrew,base10/homebrew,LonnyGomes/homebrew,afh/homebrew,Gasol/homebrew,frickler01/homebrew,Homebrew/linuxbrew,mmizutani/homebrew,SteveClement/homebrew,MoSal/homebrew,tseven/homebrew,OJFord/homebrew,drbenmorgan/linuxbrew,yangj1e/homebrew,tjschuck/homebrew,iostat/homebrew2,Red54/homebrew,ento/homebrew,kvs/homebrew,ericfischer/homebrew,Habbie/homebrew,thinker0/homebrew,felixonmars/homebrew,tseven/homebrew,brunchboy/homebrew,frodeaa/homebrew,bchatard/homebrew,patrickmckenna/homebrew,kenips/homebrew,ryanfb/homebrew,afb/homebrew,AGWA-forks/homebrew,jarrettmeyer/homebrew,TaylorMonacelli/homebrew,esamson/homebrew,mobileoverlord/homebrew-1,max-horvath/homebrew,changzuozhen/homebrew,mactkg/homebrew,mmizutani/homebrew,deorth/homebrew,jmagnusson/homebrew,vigo/homebrew,marcwebbie/homebrew,codeout/homebrew,zchee/homebrew,ndimiduk/homebrew,scorphus/homebrew,lrascao/homebrew,reelsense/linuxbrew,yangj1e/homebrew,reelsense/linuxbrew,AlekSi/homebrew,galaxy001/homebrew,craig5/homebrew,gnubila-france/linuxbrew,geoff-codes/homebrew,ehamberg/homebrew,ablyler/homebrew,colindean/homebrew,joshfriend/homebrew,eagleflo/homebrew,dericed/homebrew,yumitsu/homebrew,jarrettmeyer/homebrew,quantumsteve/homebrew,polishgeeks/homebrew,grepnull/homebrew,joshua-rutherford/homebrew,pdxdan/homebrew,danieroux/homebrew,arnested/homebrew,ehamberg/homebrew,sferik/homebrew,michaKFromParis/homebrew-sparks,iandennismiller/homebrew,benjaminfrank/homebrew,arg/homebrew,kvs/homebrew,davidcelis/homebrew,Gasol/homebrew,princeofdarkness76/homebrew,brunchboy/homebrew,gnubila-france/linuxbrew,ento/homebrew,cchacin/homebrew,booi/homebrew,saketkc/linuxbrew,Angeldude/linuxbrew,youtux/homebrew,cosmo0920/homebrew,davidcelis/homebrew,mtigas/homebrew,pcottle/homebrew,johanhammar/homebrew,felixonmars/homebrew,dolfly/homebrew,optikfluffel/homebrew,nandub/homebrew,bukzor/linuxbrew,josa42/homebrew,galaxy001/homebrew,pcottle/homebrew,Homebrew/linuxbrew,cscetbon/homebrew,marcwebbie/homebrew,Angeldude/linuxbrew,ehamberg/homebrew,vigo/homebrew,jamer/homebrew,emcrisostomo/homebrew,davydden/linuxbrew,a-b/homebrew,eighthave/homebrew,frickler01/homebrew,mtigas/homebrew,recruit-tech/homebrew,ralic/homebrew,pdpi/homebrew,Angeldude/linuxbrew,hakamadare/homebrew,mobileoverlord/homebrew-1,optikfluffel/homebrew,miketheman/homebrew,1zaman/homebrew,youtux/homebrew,redpen-cc/homebrew,lmontrieux/homebrew,SuperNEMO-DBD/cadfaelbrew,iandennismiller/homebrew,redpen-cc/homebrew,Noctem/homebrew,johanhammar/homebrew,martinklepsch/homebrew,Linuxbrew/linuxbrew,vihangm/homebrew,jconley/homebrew,megahall/homebrew,Red54/homebrew,SteveClement/homebrew,ericfischer/homebrew,retrography/homebrew,afh/homebrew,knpwrs/homebrew,Asuranceturix/homebrew,ryanfb/homebrew,vigo/homebrew,vigo/homebrew,apjanke/homebrew,cprecioso/homebrew,miketheman/homebrew,drewwells/homebrew,dgageot/homebrew,alebcay/homebrew,alebcay/homebrew,gawbul/homebrew,kad/homebrew,esamson/homebrew,kodabb/homebrew,utzig/homebrew,brunchboy/homebrew,AlekSi/homebrew,jab/homebrew,danieroux/homebrew,apjanke/homebrew,BrewTestBot/homebrew,reelsense/linuxbrew,LonnyGomes/homebrew,quantumsteve/homebrew,kad/homebrew,danabrand/linuxbrew,zeha/homebrew,optikfluffel/homebrew,craig5/homebrew,mactkg/homebrew,max-horvath/homebrew,jamer/homebrew,patrickmckenna/homebrew,gicmo/homebrew,georgschoelly/homebrew,influxdb/homebrew,dplarson/homebrew,pdxdan/homebrew,felixonmars/homebrew,coldeasy/homebrew,cHoco/homebrew,optikfluffel/homebrew,vladshablinsky/homebrew,koraktor/homebrew,joshua-rutherford/homebrew,kevinastone/homebrew,zchee/homebrew,jab/homebrew,lvicentesanchez/linuxbrew,iostat/homebrew2,georgschoelly/homebrew,coldeasy/homebrew,arnested/homebrew,gawbul/homebrew,thinker0/homebrew,yazuuchi/homebrew,zhipeng-jia/homebrew,ryanfb/homebrew,utzig/homebrew,recruit-tech/homebrew,ExtremeMan/homebrew,elyscape/homebrew,sometimesfood/homebrew,afb/homebrew,decors/homebrew,kashif/homebrew,chadcatlett/homebrew,Homebrew/homebrew,changzuozhen/homebrew,mactkg/homebrew,sferik/homebrew,arg/homebrew,tschoonj/homebrew,bigbes/homebrew,lvicentesanchez/homebrew,princeofdarkness76/homebrew,windoze/homebrew,max-horvath/homebrew,teslamint/homebrew,Linuxbrew/linuxbrew,codeout/homebrew,tseven/homebrew,youtux/homebrew,coldeasy/homebrew,mobileoverlord/homebrew-1,josa42/homebrew,jiashuw/homebrew,muellermartin/homebrew,BrewTestBot/homebrew,davidcelis/homebrew,ralic/homebrew,okuramasafumi/homebrew,vladshablinsky/homebrew,Habbie/homebrew,bukzor/linuxbrew,menivaitsi/homebrew,drbenmorgan/linuxbrew,jiashuw/homebrew,TaylorMonacelli/homebrew,ExtremeMan/homebrew,MartinDelille/homebrew,AlexejK/homebrew,royhodgman/homebrew,sakra/homebrew,aaronwolen/homebrew,bchatard/homebrew,kevinastone/homebrew,danabrand/linuxbrew,ndimiduk/homebrew,BrewTestBot/homebrew,blogabe/homebrew,totalvoidness/homebrew,blogabe/homebrew,getgauge/homebrew,Angeldude/linuxbrew,cHoco/homebrew,davydden/linuxbrew,1zaman/homebrew,Noctem/homebrew,gvangool/homebrew,brotbert/homebrew,apjanke/homebrew,LonnyGomes/homebrew,hakamadare/homebrew,martinklepsch/homebrew,ge11232002/homebrew,Red54/homebrew,zeha/homebrew,drewwells/homebrew,yangj1e/homebrew,ybott/homebrew,bitrise-io/homebrew,kenips/homebrew,vihangm/homebrew,petere/homebrew,eighthave/homebrew,thinker0/homebrew,princeofdarkness76/homebrew,kodabb/homebrew,dunn/homebrew,elyscape/homebrew,bchatard/homebrew,lvicentesanchez/linuxbrew,iandennismiller/homebrew,geoff-codes/homebrew,DoomHammer/linuxbrew,coldeasy/homebrew,slyphon/homebrew,mmizutani/homebrew,Habbie/homebrew,jeremiahyan/homebrew,MoSal/homebrew,mkrapp/homebrew,saketkc/linuxbrew,brotbert/homebrew,theeternalsw0rd/homebrew,totalvoidness/homebrew,mtigas/homebrew,3van/homebrew,pcottle/homebrew,amjith/homebrew,dplarson/homebrew,nelstrom/homebrew,ilovezfs/homebrew,xyproto/homebrew,AlexejK/homebrew,benjaminfrank/homebrew,influxdata/homebrew,dutchcoders/homebrew,afb/homebrew,heinzf/homebrew,tjschuck/homebrew,influxdb/homebrew,Noctem/homebrew,dunn/homebrew,LinusU/homebrew,dalanmiller/homebrew,dickeyxxx/homebrew,tutumcloud/homebrew,xcezx/homebrew,pdxdan/homebrew,bigbes/homebrew,gnawhleinad/homebrew,eagleflo/homebrew,ilovezfs/homebrew,arg/homebrew,Linuxbrew/linuxbrew,muellermartin/homebrew,reelsense/homebrew,gicmo/homebrew,dongcarl/homebrew,bitrise-io/homebrew,alex/homebrew,tseven/homebrew,afh/homebrew,getgauge/homebrew,liamstask/homebrew,feelpp/homebrew,kevinastone/homebrew,dkotvan/homebrew,heinzf/homebrew,cprecioso/homebrew,dutchcoders/homebrew,ablyler/homebrew,lmontrieux/homebrew,AlekSi/homebrew,liamstask/homebrew,zeha/homebrew,ndimiduk/homebrew,hyuni/homebrew,jmagnusson/homebrew,Cutehacks/homebrew,Homebrew/homebrew,cchacin/homebrew,SuperNEMO-DBD/cadfaelbrew,emcrisostomo/homebrew,ear/homebrew,filcab/homebrew,koraktor/homebrew,recruit-tech/homebrew,1zaman/homebrew,petere/homebrew,amarshall/homebrew,feelpp/homebrew,moyogo/homebrew,sjackman/linuxbrew,liamstask/homebrew,ExtremeMan/homebrew,codeout/homebrew,razamatan/homebrew,grepnull/homebrew,tutumcloud/homebrew,changzuozhen/homebrew,lvicentesanchez/homebrew,sjackman/linuxbrew,DoomHammer/linuxbrew,gvangool/homebrew,kashif/homebrew,manphiz/homebrew,dutchcoders/homebrew,yangj1e/homebrew,nelstrom/homebrew,yazuuchi/homebrew,eighthave/homebrew,pdpi/homebrew,totalvoidness/homebrew,jeremiahyan/homebrew,okuramasafumi/homebrew,marcusandre/homebrew,dkotvan/homebrew,tstack/homebrew,gnawhleinad/homebrew,TaylorMonacelli/homebrew,pdpi/homebrew,hyuni/homebrew,getgauge/homebrew,saketkc/linuxbrew,redpen-cc/homebrew,ento/homebrew,skinny-framework/homebrew,tstack/homebrew,frodeaa/homebrew,gnawhleinad/homebrew,mobileoverlord/homebrew-1,sakra/homebrew,tjschuck/homebrew,jsjohnst/homebrew,dgageot/homebrew,pcottle/homebrew,adamliter/homebrew,gawbul/homebrew,ebouaziz/linuxbrew,hanxue/homebrew,theeternalsw0rd/homebrew,bigbes/homebrew,marcusandre/homebrew,recruit-tech/homebrew,keith/homebrew,aaronwolen/homebrew,razamatan/homebrew,ybott/homebrew,elyscape/homebrew,SteveClement/homebrew,scpeters/homebrew,dunn/homebrew,cosmo0920/homebrew,hongkongkiwi/homebrew,blogabe/homebrew,drewwells/homebrew,hanxue/homebrew,LonnyGomes/homebrew,joshua-rutherford/homebrew,teslamint/homebrew,skatsuta/homebrew,jedahan/homebrew,scorphus/homebrew,ericfischer/homebrew,skatsuta/homebrew,benjaminfrank/homebrew,Asuranceturix/homebrew,feelpp/homebrew,hongkongkiwi/homebrew,patrickmckenna/homebrew,retrography/homebrew,jiashuw/homebrew,TaylorMonacelli/homebrew,lvicentesanchez/linuxbrew,zeha/homebrew,windoze/homebrew,heinzf/homebrew,ge11232002/homebrew,Chilledheart/homebrew,base10/homebrew,adamliter/homebrew,kad/homebrew,dalanmiller/homebrew,dkotvan/homebrew,moyogo/homebrew,ear/homebrew,gnubila-france/linuxbrew,1zaman/homebrew,dolfly/homebrew,ge11232002/homebrew,tsaeger/homebrew,chadcatlett/homebrew,BrewTestBot/homebrew,grepnull/homebrew,dolfly/homebrew,jbeezley/homebrew,mommel/homebrew,hanxue/homebrew,nandub/homebrew,drbenmorgan/linuxbrew,brotbert/homebrew,danabrand/linuxbrew,johanhammar/homebrew,polishgeeks/homebrew,mkrapp/homebrew,kenips/homebrew,kashif/homebrew,Gasol/homebrew,MartinDelille/homebrew,dalanmiller/homebrew,drbenmorgan/linuxbrew,tsaeger/homebrew,decors/homebrew,xcezx/homebrew,cHoco/homebrew,mmizutani/homebrew,pdxdan/homebrew,benjaminfrank/homebrew,lmontrieux/homebrew,AGWA-forks/homebrew,okuramasafumi/homebrew,quantumsteve/homebrew,gvangool/homebrew,vladshablinsky/homebrew,knpwrs/homebrew,yumitsu/homebrew,Asuranceturix/homebrew,jab/homebrew,cscetbon/homebrew,geoff-codes/homebrew,georgschoelly/homebrew,bigbes/homebrew,ybott/homebrew,frodeaa/homebrew,AlexejK/homebrew,frodeaa/homebrew,reelsense/linuxbrew,dericed/homebrew,nelstrom/homebrew,liamstask/homebrew,LinusU/homebrew,iostat/homebrew2,AGWA-forks/homebrew,theeternalsw0rd/homebrew,colindean/homebrew,royhodgman/homebrew,alebcay/homebrew,jedahan/homebrew,Gasol/homebrew,frickler01/homebrew,SteveClement/homebrew,brunchboy/homebrew,knpwrs/homebrew,esamson/homebrew,haihappen/homebrew,lvicentesanchez/linuxbrew,kodabb/homebrew,OJFord/homebrew,teslamint/homebrew,yazuuchi/homebrew,windoze/homebrew,marcwebbie/homebrew,influxdata/homebrew,arnested/homebrew,heinzf/homebrew,osimola/homebrew,hakamadare/homebrew,base10/homebrew,colindean/homebrew,aaronwolen/homebrew,utzig/homebrew,polishgeeks/homebrew,scpeters/homebrew,elgertam/homebrew,galaxy001/homebrew,ebouaziz/linuxbrew,yumitsu/homebrew,feelpp/homebrew,dericed/homebrew,mommel/homebrew,royhodgman/homebrew,tstack/homebrew,gvangool/homebrew,tschoonj/homebrew,michaKFromParis/homebrew-sparks,ryanfb/homebrew,LinusU/homebrew,pcottle/homebrew,dunn/homebrew,dplarson/homebrew,MoSal/homebrew,royhodgman/homebrew,danieroux/homebrew,elgertam/homebrew,lrascao/homebrew,mommel/homebrew,craig5/homebrew,dickeyxxx/homebrew,martinklepsch/homebrew,arg/homebrew,LinusU/homebrew