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─────PWB Extensions─────────────────────────────────────────────────────────
 
     The following example extensions are provided with the development
     system. They are installed with the example programs.
 
     File           Description
 
     DISKMENU.C     Creates a new Disk menu with multifile open, touch
                    (set modification date), and delete commands.
                    Demonstrates menus, menu commands, macros, dialog
                    boxes, list processing, and accessing DOS.
 
     FILTER.C       Provides a function that replaces selected text with
                    the text run through an external filter command such
                    as SORT.
 
     INDENT.C       Provides "intelligent" C/C++ automatic indentation.
                    Demonstrates events and switch processing.
 
     ISEARCH.C      Provides incremental searching. Demonstrates
                    searching and keyboard handling.
 
     UREPEAT.C      Provides two universal command-repeat functions.
                    Demonstrates keyboard handling and command
                    execution.
 
     TEXT.C         Provides miscellaneous text-processing facilities:
                    case toggling, box drawing, paragraph justification,
                    and line and column addressing. Also provides some
                    simple dialog boxes for use with PWB macros.
 
     TWOKEY.C       Provides popular two-keystroke keyboard commands.
 
     The following files are extension outlines. They are empty
     skeletons that supply the objects required by all PWB extensions.
 
     File           Description
 
     BASE.C         Uncommented extension outline.
 
     SKEL.C         Commented extension outline.
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