October 1, 1979 CONTROL CHARACTERS
3 CONTROL CHARACTERS ____________________
Since standard keyboards on terminals have only a limited
number of control characters, FRESS reserves some characters to
indicate special command language functions and format codes.
must These characters ____ be used as specified below.
3.1 SUMMARY TABLE _________________
Figure 3.1 summarizes the definitions and conventions for
representing control characters literally in files, specifying
them in command lines, or in lines while in Input Mode.
• Some characters always have special meanings (e.g., "%"), while
others have special meanings in Command Mode (e.g., "=") and
still others have special meanings only sometimes in Command
Mode (e.g., "&").
• Any character which has a listing under "Literal Input" must be
entered into the file ______________________ using either the representation shown or
the special character code listed under "Sp Char Code" (other
optionally characters may __________ use their special character codes).
• If the Literal Command explanation uses "<n>" (e.g., "<n>+1"),
it refers to <n> occurrences of the symbol.
• If there is no entry under "Literal Command" or "Literal Input,"
the control character can be specified as any other character
would be.
18 -- Section 3 Release 9.1 FRESS Resource Manual
3 CONTROL CHARACTERS ____________________
Since standard keyboards on terminals have only a limited
number of control characters, FRESS reserves some characters to
indicate special command language functions and format codes.
must These characters ____ be used as specified below.
3.1 SUMMARY TABLE _________________
Figure 3.1 summarizes the definitions and conventions for
representing control characters literally in files, specifying
them in command lines, or in lines while in Input Mode.
• Some characters always have special meanings (e.g., "%"), while
others have special meanings in Command Mode (e.g., "=") and
still others have special meanings only sometimes in Command
Mode (e.g., "&").
• Any character which has a listing under "Literal Input" must be
entered into the file ______________________ using either the representation shown or
the special character code listed under "Sp Char Code" (other
optionally characters may __________ use their special character codes).
• If the Literal Command explanation uses "<n>" (e.g., "<n>+1"),
it refers to <n> occurrences of the symbol.
• If there is no entry under "Literal Command" or "Literal Input,"
the control character can be specified as any other character
would be.
18 -- Section 3 Release 9.1 FRESS Resource Manual
