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screen: Termcap Syntax

 
 16.3 The 'termcap' command
 ==========================
 
  -- Command: termcap term terminal-tweaks [window-tweaks]
  -- Command: terminfo term terminal-tweaks [window-tweaks]
  -- Command: termcapinfo term terminal-tweaks [window-tweaks]
      (none)
      Use this command to modify your terminal's termcap entry without
      going through all the hassles involved in creating a custom termcap
      entry.  Plus, you can optionally customize the termcap generated
      for the windows.  You have to place these commands in one of the
      screenrc startup files, as they are meaningless once the terminal
      emulator is booted.
 
      If your system uses the terminfo database rather than termcap,
      'screen' will understand the 'terminfo' command, which has the same
      effects as the 'termcap' command.  Two separate commands are
      provided, as there are subtle syntactic differences, e.g.  when
      parameter interpolation (using '%') is required.  Note that the
      termcap names of the capabilities should also be used with the
      'terminfo' command.
 
      In many cases, where the arguments are valid in both terminfo and
      termcap syntax, you can use the command 'termcapinfo', which is
      just a shorthand for a pair of 'termcap' and 'terminfo' commands
      with identical arguments.
 
    The first argument specifies which terminal(s) should be affected by
 this definition.  You can specify multiple terminal names by separating
 them with '|'s.  Use '*' to match all terminals and 'vt*' to match all
 terminals that begin with 'vt'.
 
    Each TWEAK argument contains one or more termcap defines (separated
 by ':'s) to be inserted at the start of the appropriate termcap entry,
 enhancing it or overriding existing values.  The first tweak modifies
 your terminal's termcap, and contains definitions that your terminal
 uses to perform certain functions.  Specify a null string to leave this
 unchanged (e.g.  "").  The second (optional) tweak modifies all the
 window termcaps, and should contain definitions that screen understands
 (Virtual Terminal).
 

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