+ :doc-spec `((,(if (Info-find-file "latex2e" t)
+ ;; From http://home.gna.org/latexrefman
+ "(latex2e)Command Index"
+ "(latex)Command Index")
+ ;; \frac{NUM}{DEN} etc can have more than one {xx} argument.
+ ;; \sqrt[ROOT]{num} and others can have square brackets.
+ nil "[`'‘]" "\\({[^}]*}|\\[[^]]*\\]\\)*['’]")))
+