katek: Make tex errors gray.
katek: Make tex errors gray.

Red is too visually loud for a medium where tex errors are not fatal
(readers will be still able to understand the tex source).

vabs22/zulip,mahim97/zulip,Galexrt/zulip,kou/zulip,Galexrt/zulip,rht/zulip,jrowan/zulip,showell/zulip,showell/zulip,vaidap/zulip,shubhamdhama/zulip,zulip/zulip,kou/zulip,jrowan/zulip,showell/zulip,jackrzhang/zulip,timabbott/zulip,hackerkid/zulip,vaidap/zulip,dhcrzf/zulip,rishig/zulip,punchagan/zulip,eeshangarg/zulip,eeshangarg/zulip,dhcrzf/zulip,verma-varsha/zulip,rht/zulip,jackrzhang/zulip,eeshangarg/zulip,timabbott/zulip,vabs22/zulip,timabbott/zulip,tommyip/zulip,verma-varsha/zulip,shubhamdhama/zulip,rishig/zulip,hackerkid/zulip,brockwhittaker/zulip,rishig/zulip,synicalsyntax/zulip,shubhamdhama/zulip,j831/zulip,tommyip/zulip,j831/zulip,kou/zulip,jrowan/zulip,brainwane/zulip,verma-varsha/zulip,zulip/zulip,andersk/zulip,eeshangarg/zulip,tommyip/zulip,jackrzhang/zulip,hackerkid/zulip,synicalsyntax/zulip,jackrzhang/zulip,j831/zulip,amanharitsh123/zulip,verma-varsha/zulip,vaidap/zulip,eeshangarg/zulip,andersk/zulip,rishig/zulip,zulip/zulip,mahim97/zulip,amanharitsh123/zulip,zulip/zulip,brockwhittaker/zulip,amanharitsh123/zulip,jrowan/zulip,rishig/zulip,tommyip/zulip,brockwhittaker/zulip,brockwhittaker/zulip,dhcrzf/zulip,amanharitsh123/zulip,amanharitsh123/zulip,eeshangarg/zulip,mahim97/zulip,dhcrzf/zulip,verma-varsha/zulip,showell/zulip,jackrzhang/zulip,brainwane/zulip,vabs22/zulip,vabs22/zulip,brainwane/zulip,shubhamdhama/zulip,Galexrt/zulip,rishig/zulip,brainwane/zulip,synicalsyntax/zulip,vabs22/zulip,Galexrt/zulip,jrowan/zulip,Galexrt/zulip,tommyip/zulip,rht/zulip,tommyip/zulip,vaidap/zulip,showell/zulip,Galexrt/zulip,rht/zulip,zulip/zulip,hackerkid/zulip,dhcrzf/zulip,vabs22/zulip,punchagan/zulip,amanharitsh123/zulip,jackrzhang/zulip,verma-varsha/zulip,synicalsyntax/zulip,hackerkid/zulip,brainwane/zulip,mahim97/zulip,brockwhittaker/zulip,timabbott/zulip,eeshangarg/zulip,punchagan/zulip,synicalsyntax/zulip,Galexrt/zulip,showell/zulip,dhcrzf/zulip,rishig/zulip,shubhamdhama/zulip,hackerkid/zulip,andersk/zulip,timabbott/zulip,kou/zulip,synicalsyntax/zulip,rht/zulip,punchagan/zulip,zulip/zulip,jackrzhang/zulip,zulip/zulip,vaidap/zulip,punchagan/zulip,timabbott/zulip,brainwane/zulip,andersk/zulip,tommyip/zulip,andersk/zulip,synicalsyntax/zulip,shubhamdhama/zulip,j831/zulip,mahim97/zulip,rht/zulip,mahim97/zulip,dhcrzf/zulip,andersk/zulip,brainwane/zulip,andersk/zulip,punchagan/zulip,jrowan/zulip,kou/zulip,j831/zulip,showell/zulip,rht/zulip,kou/zulip,hackerkid/zulip,punchagan/zulip,kou/zulip,vaidap/zulip,shubhamdhama/zulip,timabbott/zulip,j831/zulip,brockwhittaker/zulip