Robuta

https://www.iitk.ac.in/LDP/HOWTO/Linuxdoc-Reference-10.html

Linuxdoc Reference: Labels and References

linuxdoc reference labels

https://opennet.ru/docs/HOWTO/LinuxDoc+Emacs+Ispell-HOWTO-7.html

LinuxDoc+Emacs+Ispell-HOWTO: An insert-sgml-header function

linuxdoc emacs ispell howto insert

https://www.iitk.ac.in/LDP/HOWTO/Linuxdoc-Reference-7.html

Linuxdoc Reference: Paragraphs

linuxdoc reference paragraphs