Padding Capabilities
====================

   There are two terminal capabilities that exist just to explain the
proper way to obey the padding specifications in all the command string
capabilities.  One, `pc', must be obeyed by all termcap-using programs.

`pb'
     Numeric value, the lowest baud rate at which padding is actually
     needed.  Programs may check this and refrain from doing any
     padding at lower speeds.

`pc'
     String of commands for padding.  The first character of this
     string is to be used as the pad character, instead of using null
     characters for padding.  If `pc' is not provided, use null
     characters.  Every program that uses termcap must look up this
     capability and use it to set the variable `PC' that is used by
     `tputs'.  Padding

   Some termcap capabilities exist just to specify the amount of
padding that the kernel should give to cursor motion commands used in
ordinary sequential output.

`dC'
     Numeric value, the number of msec of padding needed for the
     carriage-return character.

`dN'
     Numeric value, the number of msec of padding needed for the newline
     (linefeed) character.

`dB'
     Numeric value, the number of msec of padding needed for the
     backspace character.

`dF'
     Numeric value, the number of msec of padding needed for the
     formfeed character.

`dT'
     Numeric value, the number of msec of padding needed for the tab
     character.

   In some systems, the kernel uses the above capabilities; in other
systems, the kernel uses the paddings specified in the string
capabilities `cr', `sf', `le', `ff' and `ta'.  Descriptions of
terminals which require such padding should contain the `dC' ...  `dT'
capabilities and also specify the appropriate padding in the
corresponding string capabilities.  Since no modern terminals require
padding for ordinary sequential output, you probably won't need to do
either of these things.