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NAME
     dthelpview - view a CDE help volume

SYNOPSIS
     dthelpview [ options ]

DESCRIPTION
     The dthelpview utility supports the viewing of CDE online
     Help volumes, ASCII files or manual pages.  The dthelpview
     utility is an integral part of the CDE application Help
     environment.  The dthelpview utility's functionality and
     user interface is almost completely that of the standard CDE
     general Help and quick Help dialog widgets.  (See
     DtCreateHelpDialog(3) and DtCreateHelpQuickDialog(3).)

OPTIONS
     The following options are available:

        -helpVolume volume
              Specifies the name of the <filename>.sdl file you
              want to view.  If locationId is not set, the
              default _HOMETOPIC ID is used.  If the requested
              volume is in the current working directory, or the
              Help volume has been properly registered, no path
              is required.

        -locationId location_id
              Specifies the location ID representing the desired
              Help topic to be viewed.  By default, Helpview uses
              _HOMETOPIC if an ID is not specified.

        -file file
              Specifies a particular ASCII text file to be
              displayed.

        -manPage man_page
              Specifies a particular man page to be displayed.

        -man  Displays a dialog that prompts for a man page to
              view, then displays the requested man page.

ENVIRONMENT VARIABLES
     The CDE Help system uses two environment variables for
     locating Help volumes and Family files within the desktop
     environment:

        DTHELPSEARCHPATH
                       System search path environment variable
                       for locating Help volumes on local and
                       remote nfs mounted systems.

        DTHELPUSERSEARCHPATH
                       Users search path environment variable for
                       locating user specific Help volumes on
                       local and remote nfs mounted systems.

     The environment variables contain colon-separated lists of
     directory paths.  Each directory path can contain both
     environment variable names as well as special field descrip-
     tors that are expanded at runtime via each Help component
     that uses these environment variables.

     Field descriptors consist of a % followed by a single char-
     acter.  Field descriptors and their substitution values are:

        %H             This value is replaced with the current
                       volume name being searched for.

        %L             Replaced with the current value of the
                       LANG environment variable.

        %%             Replaced with a single %.

     The default value for DTHELPUSERSEARCHPATH is:

     $HOME/.dt/help/$DTUSERSESSION/%H:
     $HOME/.dt/help/$DTUSERSESSION/%H.sdl:
     $HOME/.dt/help/$DTUSERSESSION/%H.hv:
     $HOME/.dt/help/%H:
     $HOME/.dt/help/%H.sdl:
     $HOME/.dt/help/%H.hv

     The DTHELPUSERSEARCH is first searched for the requested
     volume.  If the volume is not found, the DTHELPSEARCHPATH
     value is searched.

     The default value for DTHELPSEARCHPATH path is:

     /etc/dt/appconfig/help/%L/%H:
     /etc/dt/appconfig/help/%L/%H.sdl:
     /etc/dt/appconfig/help/%L/%H.hv:
     /etc/dt/appconfig/help/C/%H:
     /etc/dt/appconfig/help/C/%H.sdl:
     /etc/dt/appconfig/help/C/%H.hv:
     /usr/dt/appconfig/help/%L/%H:
     /usr/dt/appconfig/help/%L/%H.sdl:
     /usr/dt/appconfig/help/%L/%H.hv:
     /usr/dt/appconfig/help/C/%H:
     /usr/dt/appconfig/help/C/%H.sdl:
     /usr/dt/appconfig/help/C/%H.hv

RESOURCES
     For information on Help dialog widget resources, refer to
     DtCreateHelpDialog(3) or DtCreateQuickHelpDialog(3).
     The dthelpview utility's specific resources set in the
     Dthelpview app-defaults file are:

        Dthelpview*manBox*rows: 32

        Dthelpview*manBox*columns: 80

        Dthelpview*fileBox*rows: 32

        Dthelpview*fileBox*columns: 80

        Dthelpview*man_text.columns: 20

FILE
     Following files are used in conjunction with the dthelpview
     application:

        Dthelpview     App-defaults file used by dthelpview.

EXAMPLES
        dthelpview -helpVolume dtintro.sdl -locationId _hometopic
                       Displays the topic associated with _home-
                       topic in the Help volume dtintor.sdl.

        dthelpview -file /etc/checklist
                       Displays the file /etc/checklist in a gen-
                       eral Help dialog

        dthelpview -man grep
                       Displays the grep man page in a quick Help
                       dialog

SEE ALSO
     dtsearchpath(1), CDE Help System Author's and Programmer's
     Guide.

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