lint: Allow empty string in alt arg.
lint: Allow empty string in alt arg.

Galexrt/zulip,amanharitsh123/zulip,hackerkid/zulip,Galexrt/zulip,kou/zulip,synicalsyntax/zulip,brainwane/zulip,vaidap/zulip,zulip/zulip,verma-varsha/zulip,kou/zulip,jackrzhang/zulip,eeshangarg/zulip,jackrzhang/zulip,synicalsyntax/zulip,kou/zulip,shubhamdhama/zulip,eeshangarg/zulip,verma-varsha/zulip,dhcrzf/zulip,hackerkid/zulip,amanharitsh123/zulip,dhcrzf/zulip,vaidap/zulip,vaidap/zulip,rishig/zulip,rishig/zulip,punchagan/zulip,showell/zulip,punchagan/zulip,brainwane/zulip,mahim97/zulip,andersk/zulip,punchagan/zulip,shubhamdhama/zulip,kou/zulip,andersk/zulip,tommyip/zulip,rht/zulip,tommyip/zulip,vabs22/zulip,tommyip/zulip,verma-varsha/zulip,shubhamdhama/zulip,dhcrzf/zulip,punchagan/zulip,andersk/zulip,brockwhittaker/zulip,Galexrt/zulip,eeshangarg/zulip,rishig/zulip,vabs22/zulip,andersk/zulip,tommyip/zulip,amanharitsh123/zulip,jackrzhang/zulip,jackrzhang/zulip,andersk/zulip,eeshangarg/zulip,tommyip/zulip,synicalsyntax/zulip,Galexrt/zulip,shubhamdhama/zulip,Galexrt/zulip,eeshangarg/zulip,synicalsyntax/zulip,jrowan/zulip,rht/zulip,zulip/zulip,brainwane/zulip,kou/zulip,jrowan/zulip,zulip/zulip,synicalsyntax/zulip,brockwhittaker/zulip,dhcrzf/zulip,verma-varsha/zulip,rishig/zulip,eeshangarg/zulip,mahim97/zulip,synicalsyntax/zulip,timabbott/zulip,dhcrzf/zulip,punchagan/zulip,tommyip/zulip,zulip/zulip,mahim97/zulip,showell/zulip,zulip/zulip,brainwane/zulip,rht/zulip,verma-varsha/zulip,rht/zulip,shubhamdhama/zulip,kou/zulip,vaidap/zulip,jackrzhang/zulip,hackerkid/zulip,dhcrzf/zulip,verma-varsha/zulip,andersk/zulip,brainwane/zulip,zulip/zulip,punchagan/zulip,amanharitsh123/zulip,kou/zulip,andersk/zulip,timabbott/zulip,rishig/zulip,brockwhittaker/zulip,showell/zulip,vabs22/zulip,rht/zulip,jrowan/zulip,showell/zulip,dhcrzf/zulip,amanharitsh123/zulip,jrowan/zulip,shubhamdhama/zulip,jrowan/zulip,vaidap/zulip,showell/zulip,brockwhittaker/zulip,timabbott/zulip,jackrzhang/zulip,Galexrt/zulip,vabs22/zulip,timabbott/zulip,tommyip/zulip,rishig/zulip,brainwane/zulip,eeshangarg/zulip,mahim97/zulip,zulip/zulip,brainwane/zulip,Galexrt/zulip,vabs22/zulip,vabs22/zulip,vaidap/zulip,hackerkid/zulip,showell/zulip,shubhamdhama/zulip,mahim97/zulip,mahim97/zulip,jackrzhang/zulip,hackerkid/zulip,rht/zulip,rishig/zulip,showell/zulip,amanharitsh123/zulip,hackerkid/zulip,rht/zulip,timabbott/zulip,jrowan/zulip,timabbott/zulip,hackerkid/zulip,brockwhittaker/zulip,synicalsyntax/zulip,punchagan/zulip,brockwhittaker/zulip,timabbott/zulip