ctags.etags: fix ARTICLE: docs.
ctags.etags: fix ARTICLE: docs.

factor/factor,factor/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,bpollack/factor,bpollack/factor,bpollack/factor,tgunr/factor,bpollack/factor,factor/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor,factor/factor,tgunr/factor,factor/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,factor/factor,bpollack/factor,tgunr/factor,tgunr/factor,mrjbq7/factor