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- Frequently Asked Questions (FAQS);faqs.273
-
-
-
- Material Feminism
-
- A movement in the late 19th century to liberate women by improving
- their material condition. This meant taking the burden of
- housework and cooking off their shoulders. _The Grand Domestic
- Revolution_ by Charlotte Perkins Gilman is one reference. [RZ]
-
- Moderate Feminism:
-
- This branch of feminism tends to be populated by younger women or
- other women who have not directly experienced discrimination.
- They are closely affiliated with liberal feminism, but tend to
- question the need for further effort, and do not think that
- Radical feminism is any longer viable and in fact rather
- embarrassing (this is the group most likely to espouse feminist
- ideas and thoughts while denying being "feminist"). [CTM]
-
- 'pop-feminism'
-
- This term has appeared several times on soc.feminism. It appears
- to be a catch-all for the bogey"man" sort of feminism that
- everyone loves to hate: you know, the kind of feminism that grinds
- men under its heel and admits to no wrong for women. It is doubtful
- that such a caricature actually exists, yet many people persist
- in lumping all feminists into this sort of a category. [CTM]
-
- Radical Feminism:
-
- Provides the bulwark of theoretical thought in feminism. Radical
- feminism provides an important foundation for the rest of
- "feminist flavors". Seen by many as the "undesireable" element of
- feminism, Radical feminism is actually the breeding ground for
- many of the ideas arising from feminism; ideas which get shaped
- and pounded out in various ways by other (but not all) branches of
- feminism. [CTM]
-
- Radical feminism was the cutting edge of feminist theory from
- approximately 1967-1975. It is no longer as universally accepted
- as it was then, nor does it provide a foundation for, for example,
- cultural feminism. In addition, radical feminism is not and never
- has been related to the Maoist-feminist group Radical Women. [EE]
-
- This term refers to the feminist movement that sprung out of the
- civil rights and peace movements in 1967-1968. The reason this
- group gets the "radical" label is that they view the oppression of
- women as the most fundamental form of opression, one that cuts
- across boundaries of race, culture, and economic class. This is a
- movement intent on social change, change of rather revolutionary
- proportions, in fact. [JD]
-
- Ironically, this get-to-the-roots movement is the most root-less
- variety of feminism. This was part of its strength and part of
- its weakness. It was always dynamic, always dealing with
- factions, and always full of ideas. Its influence has been felt
- in all the other varieties listed here, as well as in society at
- large. [JD]
-
- To me, radical feminism is centred on the necessity to question
- gender roles. This is why I identify current "gender politics"
- questions as radical feminist issues. Radical feminism questions
- why women must adopt certain roles based on their biology, just as
- it questions why men adopt certain other roles based on theirs.
- Radical feminism attempts to draw lines between biologically-
- determined behavior and culturally-determined behavior in order
- to free both men and women as much as possible from their previous
- narrow gender roles. [EE]
-
- The best history of this movement is a book called _Daring to
- be Bad_, by Echols. I consider that book a must! [JD] Another
- excellent book is simply titled _Radical Feminism_ and is an
- anthology edited by Anne Koedt, a well-known radical feminist
- [EE].
-
- Radical feminist theory is to a large extent incompatible with
- cultural feminism. The reason is that the societal forces it
- deals with seem so great in magnitude that they make it impossible
- to identify any innate masculine or feminine attributes except
- those which are results of the biological attributes. (This is
- what I think the [above] "view[s] the oppression of women as the
- most fundamental form of oppression," [is getting at] although I
- don't agree with that statement in its context.) [DdJ]
-
- Separatists:
-
- Popularly depicted as Lesbians, these are the feminists who
- advocate separation from men; sometimes total, sometimes partial.
- Women who organize women-only events are often unfairly dubbed
- separatist. Separatists are sometimes literal, sometimes
- figurative. The core idea is that "separating" (by various means)
- from men enables women to see themselves in a different context.
- Many feminist think this is a necessary "first step", by which
- they mean a temporary separation for personal growth, not a
- permanent one. [CTM]
-
- There is sometimes some overlap between separatist and cultural
- feminists (see below). [SJ]
-
- It is inaccurate to consider all Lesbians as separatist; while it
- is true that they do not interact with men for sexual fulfillment,
- it is not true that they therefore automatically shun all
- interaction with men. [CTM] And, conversely, it is equally
- inaccurate to consider all separatists Lesbians. Additionally,
- lesbian feminism may be considered a category distinct from
- separatist feminism. Lesbian feminism puts more emphasis on
- lesbianism -- active bonding with women -- than separatism does,
- in its emphasis on removing bonds with men. [EE]
-
-
- [Other categories? Both formal and informal are welcome.]
-
- Men's Movements:
- [Contributed by Dave Gross. Some of the articles mentioned are
- available on request at dgross@polyslo.calpoly.edu.]
-
- It may seem odd to include some notes on men's movements in a
- description of feminism. However, many of these movements were
- started in reaction to feminism: some inspired by and others in
- contra-reaction to it. In this context, examining men's movements
- tells of some specific reactions to feminism by men.
-
- Feminist Men's Movement:
-
- These groups are closely aligned ideologically with the feminist
- movement. They believe that we live in a patriarchal system in
- which men are the oppressors of women, and that the men's movement
- should identify this oppression and work against it. Most of the
- [City-name] Men Against Rape groups fall under this category. The
- largest feminist men's group is the National Organization for
- Changing Men (which may or may not have recently changed its name
- to the National Organization for Men Against Sexism). Some
- publications from this viewpoint are "Changing Men," the journal
- of NOCM, and the following books: "The Liberated Man" by Warren
- Farrell "The Male Machine" by Marc Feigen Fasteau "The 49%
- Majority" ed. by Deborah David & Robert Brannon "Refusing to Be a
- Man" by John Stoltenberg. [DG]
-
- There is much debate among female feminists over whether or not
- men can be feminists. Female feminists are more or less evenly
- split over this, some arguing that there is nothing to prevent men
- from being feminists, and others arguing that you have to know
- what it is like to be a woman to be a feminist. [CTM]
-
- Men's Liberation Movement:
-
- Other names: Masculist movement, Men's Rights movement. These
- groups, while quite similar to feminists in several areas (gay
- rights, belief in equal opportunity in the workplace, etc.)
- generally do not believe in the theory that we live in a
- patriarchy in which men oppress and women are oppressed. They
- tend to believe instead that a system of sex roles oppresses both
- men and women, keeping both from their potential. Some of the
- groups with this viewpoint are: Men's Rights Inc., National
- Coalition of Free Men, National Congress for Men, National Center
- for Men. Some of the publications from this viewpoint are
- "Transitions," the journal of the NCFM, and the following books:
- "Why Men Are the Way They Are" by Warren Farrell "The Hazards of
- Being Male" by Herb Goldberg "Men's Rights" by Bill & Laurie
- Wishard "Men Freeing Men" ed. by Francis Baumli.
-
- Mythopoetic Men's Movement:
-
- These are the ones you see on TV and in magazines wearing masks
- and beating drums. Robert Bly, the father-figure of this
- movement, says that men have abandoned the destructive masculine
- stereotype in favor of a less destructive feminine ideal, but that
- this has not made them happy. Instead of returning to the
- masculine stereotype, men need to identify with the "wild man."
- This movement is less political than spiritual, and it's difficult
- to identify just what these folks stand for. But if you want to
- try, check out the interviews with Bly and with Shepherd Bliss in
- the Nov/Dec 1989 Utne Reader, or pick up "Men's Council News" or
- Robert Bly's surprise best-seller "Iron John."
-
- The New Traditionalists:
-
- I don't know much about these groups. The only one I'm aware of
- is the National Organization for Men run by Penthouse columnist
- Sidney Siller. Maybe R.F. Doyle's Men's Rights Association (if it
- still exists) qualifies as well. These groups look, on the
- surface, much like the Men's Liberation groups, but underneath
- there is a current of resentment that the old sex roles have
- dissolved. Some openly say that women just aren't men's equals,
- and should have stayed home with the kids. This is that "male
- backlash" you've probably read about. Read "The Rape of the Male"
- by R.F. Doyle for a good idea of how these folks think (the front
- cover is a picture of the crucifiction). Also, Esther Vilar's
- "The Manipulated Man" (written by a woman in 1972, and pretty
- scary).
-
- The Father's Movements:
-
- Some people hold that this is a separate group from the Men's
- Liberation Movement. There are some groups that are only
- interested in issues like divorce reform, and ignore issues like
- violence toward men, gay rights, and the draft. Many of these
- groups are very similar to Men's Liberation groups, and only
- differ by their concentration. Some explicitly exclude issues
- like gay rights in order to not risk offending some of their
- members, and this could itself be considered an ideological
- position which would separate them from the Men's Liberation
- groups. I can't think of any groups like this right now, though
- the Joint Custody Association comes to mind (they also do some
- non-father oriented men's lib stuff, though). Publications would
- include: "How to Win Custody" by Louis Kiefer "Weekend Fathers" by
- Gerald and Myrna Silver
-
- --------------
-
- My thanks to:
- Ellen Eades[EE]
- David desJardins [DdJ]
- Jym Dyer [JD]
- Thomas Gramstad [TG]
- Rebecca Grinter [RG]
- David Gross [DG] (incl. all info on men's movements)
- Stacy Johnson [SJ]
- Rudy Zalesak [RZ]
-
- --------------
-
- Please mail in comments, additions, corrections, suggestions, and so
- on to feminism-request@ncar.ucar.edu.
-
-
- --Cindy Tittle Moore
-
- "I myself have never been able to find out precisely what
- feminism is: I only know that people call me a feminist
- whenever I express sentiments that differentiate me from a
- doormat, or a prostitute." -- Rebecca West, 1913
-
-
- Xref: bloom-picayune.mit.edu comp.fonts:6629 news.answers:4481
- Path: bloom-picayune.mit.edu!enterpoop.mit.edu!think.com!ames!saimiri.primate.wisc.edu!caen!nic.umass.edu!dime!dime.cs.umass.edu!walsh
- From: walsh@cs.umass.edu (Norman Walsh)
- Newsgroups: comp.fonts,news.answers
- Subject: comp.fonts FAQ.diffs-1.1.0-1.1.1
- Summary: This posting answers frequently asked questions about fonts.
- This file contains the context diffs of version 1.1.0. of the
- FAQ and version 1.1.1. of the comp.fonts FAQ.
- Message-ID: <WALSH.92Dec7141934@ibis.cs.umass.edu>
- Date: 7 Dec 92 19:19:34 GMT
- Expires: 8 Jan 93 00:00:00 GMT
- Sender: news@dime.cs.umass.edu
- Reply-To: walsh@cs.umass.edu (Norm Walsh)
- Followup-To: poster
- Organization: Dept of Comp and Info Sci, Univ of Mass (Amherst)
- Lines: 929
- Approved: news-answers-request@MIT.Edu
-
- Archive-name: fonts-faq/diffs
- Version: 1.1.1.
-
- diff -c2 newfaq/FAQ.1a.General-Info oldfaq/FAQ.1a.General-Info
- *** newfaq/FAQ.1a.General-Info Mon Dec 7 14:08:35 1992
- --- oldfaq/FAQ.1a.General-Info Mon Dec 7 14:02:25 1992
- ***************
- *** 1,5 ****
- FAQ for comp.fonts: Chapter I: General Info
-
- ! Version 1.1.1., Release 07DEC92
-
- Welcome to the comp.fonts FAQ. These articles, posted monthly, describe many
- --- 1,5 ----
- FAQ for comp.fonts: Chapter I: General Info
-
- ! Version 1.1.0., Release 02NOV92
-
- Welcome to the comp.fonts FAQ. These articles, posted monthly, describe many
- ***************
- *** 80,84 ****
- Standard disclaimers apply.
-
- ! The FAQ is maintained by Norm Walsh <walsh@cs.umass.edu>
-
- 1. What's the difference between type 1 fonts, type 3 fonts, type 5 fonts,
- --- 80,85 ----
- Standard disclaimers apply.
-
- ! The FAQ is maintained by Norm Walsh <walsh@cs.umass.edu> and
- ! Bharathi Jagadeesh <bjag@nwu.edu>.
-
- 1. What's the difference between type 1 fonts, type 3 fonts, type 5 fonts,
- ***************
- *** 106,123 ****
- characters.
-
- ! Outline fonts represent each character mathematically as a series of lines,
- ! curves, and 'hints'. When a character from an outline font is to be
- ! printed, it must be 'rasterized' into a bitmap "on the fly". PostScript
- ! printers, for example, do this in the print engine. If the "engine" in the
- ! output device cannot do the rasterizing, some front end has to do it first.
- ! Many of the disadvantages that are inherent in the bitmapped format are not
- ! present in outline fonts at all. Because an outline font is represented
- ! mathematically, it can be drawn at any reasonable size. At small sizes,
- ! the font renderer is guided by the 'hints' in the font; at very small
- ! sizes, particularly on low-resolution output devices such as screens,
- ! automatically scaled fonts become unredable, and hand-tuned bitmaps are a
- ! better choice (if they are available). Additionally, because it is
- ! rasterized "on demand," the font can be adjusted for different resolutions
- ! and 'aspect ratios'.
-
- LaserJet .SFP and .SFL files, TeX PK, PXL, and GF files, Macintosh
- --- 107,125 ----
- characters.
-
- ! Outline fonts represent each character mathematically as a series of
- ! lines, curves, and 'hints'. When a character from an outline font is to
- ! be printed, it must be 'rasterized' into a bitmap "on the fly".
- ! PostScript printers, for example, do this in the print engine. If the
- ! "engine" in the output device cannot do the rasterizing, some front end
- ! has to do it first. GhostScript, for example, rasterizes the page before
- ! it displays it on the screen. Many of the disadvantages that are
- ! inherent in the bitmapped format are not present in outline fonts at all.
- ! Because an outline font is represented mathematically, it can be drawn at
- ! any reasonable size without significant loss of quality (at least, the
- ! loss of quality is not a direct consequence of resizing it--any font
- ! printed at a small enough size shows a significant loss of quality as the
- ! size approaches the resolution of the device). Additionally, because it
- ! is rasterized "on demand," the font can be adjusted for different
- ! resolutions and 'aspect ratios'.
-
- LaserJet .SFP and .SFL files, TeX PK, PXL, and GF files, Macintosh
- ***************
- *** 126,131 ****
-
- PostScript Type 1, Type 3, and Type 5 fonts, Nimbus Q fonts, TrueType
- ! fonts, Sun F3, MetaFont .mf files, and LaserJet .SFS files are all examples
- ! of outline font formats.
-
- Neither of these lists is even close to being exhaustive.
- --- 128,132 ----
-
- PostScript Type 1, Type 3, and Type 5 fonts, Nimbus Q fonts, TrueType
- ! fonts, and LaserJet .SFS files are all examples of outline font formats.
-
- Neither of these lists is even close to being exhaustive.
- ***************
- *** 153,162 ****
- other) section.
-
- ! *-[Semi-Quote]------------------------------------------------------*
- !
- ! [Ed Note: Liam R. E. Quim supplied many changes to the following
- ! section in an attempt to bring it up to date. Hopefully it is a
- ! better reflection of the state of the world today (12/07/92) than it
- ! was in earlier FAQs]
-
- There has been a lot of confusion about font technologies in recent
- --- 154,158 ----
- other) section.
-
- ! *-[Quote]-----------------------------------------------------------*
-
- There has been a lot of confusion about font technologies in recent
- ***************
- *** 170,181 ****
- data encryption. The decryption is provided by the `eexec' (encrypted
- execute) PostScript operator and, until recently, was only present in
- ! Adobe's licensed PostScript.
- !
- ! Adobe has published the details of the Type 1 font format in the `Black
- ! Book', Adobe Type 1 Font Format (version 1.1), Adobe Systems Inc., 1990.
- ! The encryption was mainly used because of font copyright problems;
- ! unencrypted fonts can also be used, but these tend to use an efficient
- ! binary encoding, also in documented the Type 1 book, and so are still not
- ! readable PostScript.
-
- Type 1, Type 3, and Type 5 font formats
- --- 166,190 ----
- data encryption. The decryption is provided by the `eexec' (encrypted
- execute) PostScript operator and, until recently, was only present in
- ! Adobe's licensed PostScript. Recently, RIPS reverse-engineered the
- ! eexec operator and now provides it to its licensees. Other clone
- ! vendors are sure to follow.
- !
- ! It is important to note that the eexec operator can be used to
- ! decrypt and execute any valid PostScript statement. Therefore, any
- ! PostScript program or program fragment may be encrypted so it will
- ! work with eexec operator.
- !
- ! You will further note that eexec is not tied to fonts in any way.
- ! While eexec is mostly used to protect font data, it can be used to
- ! protect any PostScript code. It just so happens that Adobe's favorite
- ! thing to protect is font data. The eexec operator is also used to
- ! hide the methods for applying patches to the PostScript system and
- ! methods for gaining privileged access to protected procedures.
- !
- ! There is no gain in speed by encryption. In fact, there is a slight
- ! speed penalty resulting from decryption. The encrypted data is also
- ! twice as big as unencrypted data. This is compensated for in Adobe
- ! fonts by storing the hexadecimal characters (cipher text) as binary
- ! on the host disk.
-
- Type 1, Type 3, and Type 5 font formats
- ***************
- *** 194,200 ****
- anything a Type 1 font can do a Type 3 font can also do.
-
- - [Ed note: the reverse is not true. Type3 fonts can do things that
- - Type1 fonts cannot. But they aren't hinted...]
- -
- When PostScript is asked to generate a character, PostScript looks in
- the font's dictionary for FontType. If FontType is 1 or 5 PostScript
- --- 203,206 ----
- ***************
- *** 209,215 ****
- different BuildChar routines.
-
- ! [Ed note: relative hard disk efficiency of Kingsley vs. Adobe fonts
- ! deleted on 12/07/92]
- !
- Type 5 fonts are special in that they often include hand-tuned
- bitmaps for the commonly used sizes, such as 10- and 12-point. Other
- --- 215,233 ----
- different BuildChar routines.
-
- ! The font data for Adobe's Type 1 font format is a binary
- ! representation of the outline font data. Kingsley/ATF also uses a
- ! binary representation of its Type 3 outline font data and stores the
- ! binary code as binary on the host disk. Both company's binary
- ! representation and store technique substantially reduces the storage
- ! requirements on the host and in the printer.
- !
- ! Other vendors, such as Altsys and Bitstream, also use a binary
- ! encoding system for their Type 3 outline font data. However the data
- ! is stored on the host as hexadecimal text characters and requires
- ! about double the storage as the binary storage technique. It should
- ! be noted that a compact text encoding (an alternate Altsys format)
- ! requires two to three times as much storage space as the binary
- ! storage technique.
- !
- Type 5 fonts are special in that they often include hand-tuned
- bitmaps for the commonly used sizes, such as 10- and 12-point. Other
- ***************
- *** 216,222 ****
- sizes are generated from the outlines in normal fashion.
-
- ! Don't confuse Type 1, Type 3, and Type 5 fonts with Bitstream's Type A,
- ! Type B, Type C, and Type F. They are not the same and serve only to confuse
- ! the issue.
-
- Resolution `hints'
- --- 234,244 ----
- sizes are generated from the outlines in normal fashion.
-
- ! Type 3 fonts can also be used to implement other font outline
- ! systems, such as Sun's F3 and Apple's B-spline. Type 1 and Type 5
- ! fonts can only be used with the Adobe font format.
- !
- ! Also, don't confuse Type 1, Type 3, and Type 5 fonts with Bitstream's
- ! Type A, Type B, Type C, and Type F. They are not the same and serve
- ! only to confuse the issue.
-
- Resolution `hints'
- ***************
- *** 244,250 ****
- character no matter how coarse the grid is.
-
- ! [Ed note: deleted some paragraphs that are no longer true. Times change...]
-
- ! Optical Scaling
-
- Optical Scaling modifies the relative shape of a character to
- --- 266,309 ----
- character no matter how coarse the grid is.
-
- ! Adobe's hinting system relies on regularizing (equalization) and
- ! straightening out the original character outline as much as possible
- ! when the font is created. Unfortunately this process of modifying the
- ! original font outlines for the sake of low resolution can badly
- ! distort the character from its original design. These distortions are
- ! visible when printing at high resolution. This system also places
- ! limitations on the placement of end points in the outline, again for
- ! the sake of the hinting system.
- !
- ! The new Fontographer hinting system (a subset of Nimbus-Q) places
- ! similar restrictions on the character outline. for instance, to make
- ! proper use of the hints, a character must be (re)drawn with curve end
- ! points at curve maximum/minimum X/Y extents. In order for strokes to
- ! be equalized to the same widths, they must be (re)drawn with exactly
- ! the same widths. Again, the shape of the character is ruled by the
- ! limitations of the hinting system.
- !
- ! The hinting system used by Kingsley/ATF in ATF Type Designer I* is
- ! fundamentally different. It does not require special placement of
- ! curve and end points in order to function. It also does not require
- ! modification of the original font outline to aid in grid fitting or
- ! stroke equalization. Once the outline has been created to the
- ! artist's satisfaction the hints for stroke equalization and grid
- ! fitting are added without any modification to the character outline.
- ! The net effect is that the Kingsley/ATF system does not sacrifice
- ! high-resolution quality while achieving low-resolution quality.
- !
- ! Character fill algorithms
- !
- ! The fill algorithm in PostScript tends to turn on too many pixels and
- ! make a character fatter and wider by one or two pixels. This is
- ! especially obvious in small sizes at low resolutions. Both Adobe and
- ! Kingsley/ATF compensate for this, thus keeping characters to proper
- ! thickness.
- !
- ! Other type vendors do not currently compensate for the fill algorithm
- ! and thus end up with undesirably heavy characters, which is
- ! particularly noticeable at small sizes.
-
- ! Optical Scaling*
-
- Optical Scaling modifies the relative shape of a character to
- ***************
- *** 254,258 ****
- and interline spacing should increase. Conversely, as a character
- gets larger, the relative thickness, widths, and spacing should
- ! decrease.
-
- Contrast this with linear scaling, in which all parts of a character
- --- 313,317 ----
- and interline spacing should increase. Conversely, as a character
- gets larger, the relative thickness, widths, and spacing should
- ! decrease. Optical Scaling is used by Kingsley/ATF.
-
- Contrast this with linear scaling, in which all parts of a character
- ***************
- *** 259,263 ****
- get larger or smaller at the same rate, making large characters look
- wide and heavy (strokes are too thick, serifs are too big) while
- ! small characters look thin and weak.
-
- Kerning
- --- 318,327 ----
- get larger or smaller at the same rate, making large characters look
- wide and heavy (strokes are too thick, serifs are too big) while
- ! small characters look thin and weak. Linear scaling is used by Adobe,
- ! Altsys, Bitstream, and all other typeface manufacturers.
- !
- ! The difference between linear scaling and Optical Scaling are clear,
- ! a difference even the untrained eye can see. The difference is
- ! particularly easy to see at high resolutions.
-
- Kerning
- ***************
- *** 269,272 ****
- --- 333,350 ----
- However, it may also be used to add space.
-
- + How many kern pairs do you need? The answer depends on how well
- + regular character spacing has been set and on the typeface itself.
- + The better the default letterspacing has been set, the fewer kerning
- + pairs are needed. In fact, an excessive number of kern pairs may be
- + the artifact of a poor letterspacing job.
- +
- + The typeface itself has a lot to do with which characters may benefit
- + from kerning. Just because one typeface has a kern pair does not mean
- + the text typeface will need kerning for the same pair. Different
- + typeface designs have very different kerning requirements.
- +
- + The moral to the story is: The number of kerning pairs is not a good
- + quality indicator.
- +
- PostScript clones
-
- ***************
- *** 273,296 ****
- There are currently several printer manufacturers on the market with
- PostScript clones. To be viable, a PostScript clone must comply with
- ! the `red book' (PS Language Reference Manual).
-
- - In order to avoid paying royalties to Adobe, and because Adobe's Type 1
- - font format was originally preprietary, many PostScript interpreters use
- - some other font format. Sun uses F3, and some other vendors use
- - Bitstream's Speedo format, for example. The only real problem this causes
- - is that the widths of characters (the `font matrics') may vary from
- - Adobe's, so that programs that assume the Adobe character widths will
- - produce poor quality output. Bitstream fonts used to be particularly bad
- - in the early days, but they and most or all of the other vendors have
- - solved those problems.
- -
- - Apple TrueType [Ed note: formerly "Royal (`sfnt')"] format and System 7
- -
- - Apple's new System 7.0 supports a new format of outline font that will
- - allow high-quality characters of any size to be displayed on the screen.
- - TrueType stores font outlines as B-spline curves along with programmed
- - resolution hints. B-spline curves are faster to compute and easier to
- - manipulate than the Bezier curves used in PostScript.
- -
- Adobe is not going to support Apple's new format by converting the
- Adobe/Linotype library to B-spline format. There are two reasons for
- --- 351,391 ----
- There are currently several printer manufacturers on the market with
- PostScript clones. To be viable, a PostScript clone must comply with
- ! the `red book' (PS Language Reference Manual). The main problem the
- ! clones have is with fonts. Much of the font (and copy-protection)
- ! technology Adobe uses is undocumented.
- !
- ! The eexec operator is not defined and Adobe protects its operations
- ! as a trade secret. Without the eexec operator Adobe fonts cannot be
- ! decrypted. There are many other operators like eexec, such as the
- ! internal BuildChar routine, that are required for proper operation of
- ! Adobe fonts, and these operators are also held as trade secrets.
- ! Without these operators, the Adobe font data cannot be interpreted.
- !
- ! The clone problem can be approached from two directions. RIPS, a
- ! PostScript clone manufacturer, has reverse-engineered the eexec and
- ! other operators (including BuildChar and friends) and now sells a
- ! PostScript clone that is Adobe-compatible in all respects needed for
- ! proper interpretation of Adobe font data (Type 1 encrypted). Other
- ! companies are sure to follow. This is only important to users who
- ! have purchased or desire to purchase the Adobe/Linotype font library.
-