remove "to" from keyword list
remove "to" from keyword list

leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace,leanprover/ace