unroff
Converts troff source to HTML, RTF, and plain text
RUN apt-get update && \
apt-get install -y troffcvt
RUN apt-get update && \
apt-get install -y troffcvt
RUN apt-get update && \
apt-get install -y troffcvt
RUN apt-get update && \
apt-get install -y troffcvt