xmlcopyeditor
fast, free, validating XML editor
RUN apt-get update && \
apt-get install -y xmlcopyeditor
RUN apt-get update && \
apt-get install -y xmlcopyeditor
RUN apt-get update && \
apt-get install -y xmlcopyeditor
RUN dnf install -y xmlcopyeditor
RUN apt-get update && \
apt-get install -y xmlcopyeditor