doc: Remove extra spaces at start of docstring which show up in Info format. * intro.txi: Use blank line between end of example and seealso. * utils.cc: Remove stray comment from previous cset. * annotation.m: Overhaul docstring. * subspace.m: Re-indent academic reference. * condest.m: Remove blank column of spaces in front of license. * onenormest.m: Remove blank column of spaces in front of license. * sinc.m: Remove extra single space at start of line. * invhilb.m: Remove extra single space at start of line. * gls.m: Remove extra single space at start of line. * ols.m: Remove extra single space at start of line.

((nil .
      ((c-file-style . "gnu")
       (indent-tabs-mode . nil)
       (fill-column . 72)
       (eval . (when (and (buffer-file-name)
                          (string-match-p "\\.h\\'" (buffer-file-name))
                          (not (string-match-p "/gnulib/" (buffer-file-name))))
                 (c++-mode)
                 (c-set-style "gnu")))))
 (change-log-mode . ((indent-tabs-mode . t)))
 (makefile-mode . ((indent-tabs-mode . t))))