The Adobe Type 1 Font Format book (PDF: 445 KB) - Adobe Partners

APPENDIX 3
OtherSubrs Programs
The following PostScript language code creates four procedures
that make up the first four entries in the OtherSubrs array in the
Private dictionary. The first three procedures pertain to Flex and
the fourth is used for hint replacement. The code is copyrighted
by Adobe Systems Incorporated, and may not be reproduced
except by permission of Adobe Systems Incorporated. Adobe Systems
Incorporated grants permission to use this code in Type 1
font programs, as long as the code is used as it appears in this document,
the copyright notice remains intact, and the character
outline code included in such a font program is neither copied
nor derived from character outline code in any Adobe Systems
font program.
The PostScript language program defining the Flex procedure has
been modified since Version 1.0 (March 1990) of this document.
Include this code in a font program if you want to use both the
Flex and hint replacement features. Another code segment for
fonts that require hint replacement only is broken out at the end
of this appendix.
The two programs that follow are available on diskette for the
convenience of Type 1 font program developers. To order the diskette,
please use the order form at the back of this document.
The following code should be executed within the Private dictionary:
% Copyright (c) 1987-1990 Adobe Systems Incorporated.
% All Rights Reserved.
% This code to be used for Flex and hint replacement.
% Version 1.1
/OtherSubrs
[systemdict /internaldict known
{1183615869 systemdict /internaldict get exec
/FlxProc known {save true} {false} ifelse}
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