latex-outline-regexp

latex-outline-regexp is a variable defined in `tex-mode.el'.
Its value is

"\\\\\\(appendix\\|b\\(?:ackmatter\\|egin{document}\\)\\|chapter\\|document\\(?:class\\|style\\)\\|end{document}\\|frontmatter\\|mainmatter\\|par\\(?:agraph\\|t\\)\\|s\\(?:ection\\|ub\\(?:paragraph\\|s\\(?:\\(?:ubs\\)?ection\\)\\)\\)\\)"

Documentation:
Not documented as a variable.