= Column gauge.

         COLs [on|off] [ALL|type|default]

            -Display on/off column gauge. If omitted, toggles on/off.
            -Gauge type is specified by type option.
             Corresponding gauge file should be prepared in work-dir.
             To reset to default gauge specify "ON" only.
#ifdef UNX
             File name pattern is "xe_col_.type".
             Default gauge pattern may be changed by preparing
             xe_col_.col in work-dir.
#else
             File name pattern is "xe!col!.type".
             Default gauge pattern may be changed by preparing
             xe!col!.col in work-dir.
#endif
             Char "*" on gauge line treated as tabstop.
             If any "*" is set on gauge,usual tab span is ignored
             when Char-Replace-Mmode.
             Next line is sample gauge file.
             ......*..1.........2.........3.........4*........5.....

            -Gauge type=ALL means open all file width "COL on".
            -On directory list, "COL on type" sets default gauge type for all member of the directory.
             "COL off" resets it. You have to prepare following gauge file in work directory.
               (Win) ::xe!col!.type (Linux) ::xe_col_.type
            -When Col type is set to a directory, use COL command for each members to set different option.
             "COL [on|off] [type|default]"
                default:display default gauge for the member file.
                        This option is not for directory but file.
                on     :follows directory setting if new type is not specified.
                off    :hide gauge and reset type for the file,
                        and next "COL on" refers directory setting.