\entry{-c}{1}{\code {-c}}
\entry{-count}{1}{\code {-count}}
\entry{-e}{1}{\code {-e}}
\entry{--regexp=pattern}{1}{\code {--regexp=\var {pattern}}}
\entry{-f}{1}{\code {-f}}
\entry{--file}{1}{\code {--file}}
\entry{-i}{1}{\code {-i}}
\entry{--ignore-case}{1}{\code {--ignore-case}}
\entry{-l}{1}{\code {-l}}
\entry{--files-with-matches}{1}{\code {--files-with-matches}}
\entry{-n}{1}{\code {-n}}
\entry{--line-number}{1}{\code {--line-number}}
\entry{-q}{1}{\code {-q}}
\entry{--quiet}{1}{\code {--quiet}}
\entry{--silent}{1}{\code {--silent}}
\entry{-s}{1}{\code {-s}}
\entry{--no-messages}{1}{\code {--no-messages}}
\entry{-v}{2}{\code {-v}}
\entry{--invert-match}{2}{\code {--invert-match}}
\entry{-x}{2}{\code {-x}}
\entry{--line-regexp}{2}{\code {--line-regexp}}
\entry{-A}{2}{\code {-A}}
\entry{--after-context}{2}{\code {--after-context}}
\entry{-B}{2}{\code {-B}}
\entry{--before-context}{2}{\code {--before-context}}
\entry{-C}{2}{\code {-C}}
\entry{--context}{2}{\code {--context}}
\entry{-NUM}{2}{\code {-NUM}}
\entry{-V}{2}{\code {-V}}
\entry{--version}{2}{\code {--version}}
\entry{--help}{2}{\code {--help}}
\entry{-b}{2}{\code {-b}}
\entry{--byte-offset}{2}{\code {--byte-offset}}
\entry{-d}{2}{\code {-d}}
\entry{--directories}{2}{\code {--directories}}
\entry{-H}{2}{\code {-H}}
\entry{--With-filename}{2}{\code {--With-filename}}
\entry{-h}{3}{\code {-h}}
\entry{--no-filename}{3}{\code {--no-filename}}
\entry{-L}{3}{\code {-L}}
\entry{--files-without-match}{3}{\code {--files-without-match}}
\entry{-a}{3}{\code {-a}}
\entry{--text}{3}{\code {--text}}
\entry{-w}{3}{\code {-w}}
\entry{--word-regexp}{3}{\code {--word-regexp}}
\entry{-r}{3}{\code {-r}}
\entry{--recursive}{3}{\code {--recursive}}
\entry{-y}{3}{\code {-y}}
\entry{-U}{3}{\code {-U}}
\entry{--binary}{3}{\code {--binary}}
\entry{-u}{3}{\code {-u}}
\entry{--unix-byte-offsets}{3}{\code {--unix-byte-offsets}}
\entry{--mmap}{4}{\code {--mmap}}
\entry{-Z}{4}{\code {-Z}}
\entry{--null}{4}{\code {--null}}
\entry{-z}{4}{\code {-z}}
\entry{--null-data}{4}{\code {--null-data}}
\entry{GREP{\_}OPTIONS}{4}{\code {GREP_OPTIONS}}
\entry{LC{\_}ALL}{4}{\code {LC_ALL}}
\entry{LC{\_}MESSAGES}{4}{\code {LC_MESSAGES}}
\entry{LANG}{4}{\code {LANG}}
\entry{LC{\_}ALL}{4}{\code {LC_ALL}}
\entry{LC{\_}CTYPE}{4}{\code {LC_CTYPE}}
\entry{LANG}{4}{\code {LANG}}
\entry{POSIXLY{\_}CORRECT}{5}{\code {POSIXLY_CORRECT}}
\entry{{\_}N{\_}GNU{\_}nonoption{\_}argv{\_}flags{\_}}{5}{\code {_\var {N}_GNU_nonoption_argv_flags_}}
\entry{-G}{5}{\code {-G}}
\entry{--basic-regexp}{5}{\code {--basic-regexp}}
\entry{-E}{5}{\code {-E}}
\entry{--extended-regexp}{5}{\code {--extended-regexp}}
\entry{-F}{5}{\code {-F}}
\entry{--fixed-strings}{5}{\code {--fixed-strings}}
\entry{alnum}{6}{\code {alnum}}
\entry{alpha}{6}{\code {alpha}}
\entry{blank}{6}{\code {blank}}
\entry{cntrl}{6}{\code {cntrl}}
\entry{digit}{6}{\code {digit}}
\entry{graph}{6}{\code {graph}}
\entry{lower}{6}{\code {lower}}
\entry{print}{6}{\code {print}}
\entry{punct}{6}{\code {punct}}
\entry{space}{6}{\code {space}}
\entry{upper}{7}{\code {upper}}
\entry{xdigit}{7}{\code {xdigit}}
\entry{?}{7}{\code {?}}
\entry{*}{7}{\code {*}}
\entry{{\tt\char 43}}{7}{\code {+}}
\entry{{\tt\char 123}n{\tt\char 125}}{7}{\code {{\tt\char 123}n{\tt\char 125}}}
\entry{{\tt\char 123}n,{\tt\char 125}}{7}{\code {{\tt\char 123}n,{\tt\char 125}}}
\entry{{\tt\char 123}n,m{\tt\char 125}}{7}{\code {{\tt\char 123}n,m{\tt\char 125}}}

.