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diff --git a/Master/texmf-dist/doc/fonts/pl/README.ENG b/Master/texmf-dist/doc/fonts/pl/README.ENG new file mode 100644 index 00000000000..72ffcc5d1f4 --- /dev/null +++ b/Master/texmf-dist/doc/fonts/pl/README.ENG @@ -0,0 +1,319 @@ +***************************************************************************** +* The collection of the PL fonts (the Polish version of the * +* Computer Modern ones) in METAFONT source format * +* (public domain) * +***************************************************************************** + +Authors +======= +Bogus\l{}aw Jackowski <B.Jackowski@gust.org.pl> +Marek Ry\'cko <marek@camk.edu.pl> +consultant: Roman Tomaszewski + +see also GUST (Polish TeX Users Group) home page: +http://www.gust.org.pl + +--------- +SYNOPSIS: +--------- + +The following set of METAFONT sources for PL fonts (ver. 1.09 of +13 Apr 2001) is a part of MeX distribution and only EXCEPTIONALLY +is released as a separate package. + +The reason for the release is a bug fix. Andreas Schwab and Joerg +Knappen found a nasty bug in PL fonts during their works on EC +family of fonts: the heights and italic corrections of the +accented characters depended on a given resolution. Unfortunately, +the check sum in TFM files depends only on character widths, +therefore the bug escaped fixing for a long time. + +In the corrected version, accented characters are processed twice +(see macro `beginchar_twice' in pl_dod.mf): during the first pass, +all drawing operations (fill, draw, cull, etc.) are neutralized -- +the result of the first pass are merely character dimensions (hopefully, +resolution-independent ;-); during the second pass, the glyph is +eventually created. + +The documentation below is an excerpt from mexinfo.eng---the documentation +of MeX package (CTAN:/language/polish/mex*). + +PL fonts +======== +The PL fonts were primarly designed for use with the MeX and LaMeX formats +(Polish versions of the PLAIN and LaTeX209 macro files). Nowadays PL fonts +can also be used with `PLaTeX' package (CTAN:/language/polish/platex*) +that provides tools to typeset documents in Polish using LaTeX2e. +This was a main reason to put them in the separate package. + +1. The Polish diacritical letters and quotation marks +----------------------------------------------------- + + There are nine diacritical letters in the Polish language (altogether + with majuscules---eighteen): + + a with ogonek + c with acute accent + e with ogonek + l with cross + n with acute accent + o with acute accent + s with acute accent + z with acute accent + z with dot accent + + Moreover, the Polish opening quotation mark is like English + closing one, but shifted to a baseline (like two commas, `,,'); + additionally, in case of nested quotations, French quotation marks + (`<<' and `>>') are used. + +2. The PL layout +---------------- + + The Polish fonts (PL) are extension of Computer Modern + fonts (CM), i.e., characters 0--127 are identical in PL and CM, + while the Polish characters and Polish and French quotation marks + are placed in higher ASCII positions, namely: + + A with ogonek -- 129 a with ogonek -- 161 + C with acute accent -- 130 c with acute accent -- 162 + E with ogonek -- 134 e with ogonek -- 166 + L with cross -- 138 l with cross -- 170 + N with acute accent -- 139 n with acute accent -- 171 + O with acute accent -- 211 o with acute accent -- 243 + S with acute accent -- 145 s with acute accent -- 177 + Z with acute accent -- 153 z with acute accent -- 185 + Z with dot accent -- 155 z with dot accent -- 187 + + << (French opening quotes) -- 174 + >> (French opening quotes) -- 175 + ,, (Polish opening quotes) -- 255 + + Note that the Polish diacritical letters have the codes of the Extended + CM layout (Cork encoding). + +3. A few remarks on the design of the PL fonts +---------------------------------------------- + + a) The METAFONT programs for letters and for the Polish opening quotes + are based on the respective CM programs; we decided not to + exploit a sneaky way of reading CM programs twice (or reading them + and storing) and modifying `extra_beginchar' and `extra_endchar', + or so, as we found such an aproach to be inconsistent with + the general philosophy of the Computer Modern font family design + (although see, e.g., the program for SS in the CSC font). + + b) Unlike the CM parametric files, the PL ones do not contain lists + of parameter assignments. Instead, a CM driver file is input + while processing the corresponding PL driver. + + c) The quotation marks are accessible via ligatures (,, << >>). + The Polish diacritical letters can be accessed either directly or + using an active prefix character (slash)---see the description of + the format MeX. No ligatures are used to form the Polish diacritical + characters. There are good reasons for doing so. + + d) Since the Polish diacritical letters are not meant to be used as + math variables, they are not `math_adjusted'. + + e) METAFONT doesn't allow for more than 16 different heights per font; + because of this limitation the upper half of the ASCII table is + deliberately left almost empty. + + In spite of that an additional height introduced by accented + majuscules may cause an automatic adjustation of the remaining + heights, and it may happen that, e.g., `x_height' will be changed. + This makes the full compatibility between PL and CM fonts rather + impossible; let's hope that such incompatible situations will occur + very rarely. + + f) An attempt was made to avoid introducing extra parameters; in some + cases, however, such extra (optional) parameters may prove to be + necessary for the final tunig. All optional parameters are described + in the file pl_dod.mf (an additional file for PL fonts; in fact, + a base format). Examples of use of optional parameters can be found + in the following files: + plb10, plbx5, plbx6, plbx7, plbx8, plcsc10, pldunh10, plfi10, plff10, + plitt10, plr5, plr6, plr7, plr8, plr9, plr12, plr17, plsl8, plsl9, + plsl12, plssq8, plssqi8, pltcsc10, plti7, plti8, plti12, and plvtt10. + + g) plsy fonts include alternative less-or-equal and greater-or-equal + signs (like AMSTeX `\leqslant' and `\geqslant'), used in Polish math + texts; this extension was suggested by Mr. W\l{}odzimierz J. Martin. + + h) plmi, plmib and pltex fonts are renamed (for uniformness) cmmi, cmmib + and cmtex fonts. The latter one reflects the layout of the keyboard + of the computer used by D. E. Knuth (D. E. Knuth, ``Computer Modern + Typefaces,'' p. 568); it is unlikely that Polish characters were + present there. + + i) The design of the Polish diacritical characters in fonts plr, plbx, + pltt, plss, plti and plssbx was consulted with Mr. Roman Tomaszewski, + the President of the Polish Division of ATypI (Association Typographique + Internationale). + + The authors are extremally grateful to him for his advices and for + the time he devoted to the problem of the Polish version of CM fonts. + + Mr. Roman Tomaszewski died in December 1993. + + j) D. E. Knuth encourages users to generate their own fonts: ``Many + more variations (bold and/or slanted and/or sans-serif) could be + tried.'' he says (``Computer Modern Typefaces'', p. 30). The authors + of the PL fonts share rather the Roman Tomaszewski's opinion, that one + should be very, very careful in following this advice. + +4. A few remarks on the design of the Polish diacritical characters +------------------------------------------------------------------- + + a) The accents over minuscules are very similar to the accents + that can be obtained using TeX's acute accent (\') operation; + accents over majuscules, however, are rotated a bit (if serifs) + or flattened a bit (if not serifs); exceptionally, in the extremely + slim pldunh10 font accents over majuscules are not sloped. + + b) The dot accent over `z' and `Z' is like a dot over the letter `i'. + The dot accent put by TeX's command `\.' is a bit different, which + does not look nice in Polish words like `gwi\.zd\.ze' (eng. whistles). + + c) The cross for the polish `l' and `L' is longer and thicker (for `L' + is bigger than for `l') than the standard CM's cross (TeX commands + `\l' and `\L'). + + d) The programs for the Polish opening quotes are based on the CM's + closing quotes; the French quotation marks are designed from scratch. + + e) The geometry of an ogonek is very simple: its outer and inner edges + are single B\'ezier segments. The algorithm of computing the control + points for the B\'ezier curves, however, is admittedly sophisticated. + This is due to the fact that a wide spectrum of different ogonek shapes + is in fact to be programmed: one shape is needed for caps, another for + `a' with ogonek, yet another for `e' with ogonek, as they all have + different joins. Moreover, a sansserif ogonek differs significantly + from the serif one, a bold ogonek from the non-bold, an ogonek for hefty + fonts should still be different. And, if you take into account that + the basic font unit |u| may change during one session of font + generation (monospace and caps-small-caps) and that a few different + pens may be used to draw a single letter you'll understand why + so many |if| ... |else:| ... |fi| commands are used in the ogonek + program. + + f) Implicit kerns are mostly the same for the Polish diacritical letters + as for the respective Latin ones; although, there are a few exceptions + (see the files polan.mf, polkur.mf and polkap.mf). The same concerns + the italic correction inserted after the Polish characters. + +The present distribution consists of: + + (a) 12 basic files: + fik_mik.mf, pl_cud.mf, pl_dl.mf, pl_dod.mf, pl_ml.mf, + pl_mlk.mf, pl_sym.mf, polan.mf, polkap.mf, polkur.mf, + polmat.mf, poltyt.mf; + + (b) 80 parameter files: + plb10.mf, plbsy10.mf, plbsy5.mf, plbsy7.mf, plbx10.mf, plbx12.mf, + plbx5.mf, plbx6.mf, plbx7.mf, plbx8.mf, plbx9.mf, plbxsl10.mf, + plbxti10.mf, plcsc10.mf, pldunh10.mf, plex10.mf, plff10.mf, + plfi10.mf, plfib8.mf, plinch.mf, plitt10.mf, plmi10.mf, + plmi12.mf, plmi5.mf, plmi6.mf, plmi7.mf, plmi8.mf, plmi9.mf, + plmib10.mf, plmib5.mf, plmib7.mf, plr10.mf, plr12.mf, plr17.mf, + plr5.mf, plr6.mf, plr7.mf, plr8.mf, plr9.mf, plsl10.mf, plsl12.mf, + plsl8.mf, plsl9.mf, plsltt10.mf, plss10.mf, plss12.mf, plss17.mf, + plss8.mf, plss9.mf, plssbi10.mf, plssbx10.mf, plssdc10.mf, + plssi10.mf, plssi12.mf, plssi17.mf, plssi8.mf, plssi9.mf, + plssq8.mf, plssqi8.mf, plsy10.mf, plsy5.mf, plsy6.mf, plsy7.mf, + plsy8.mf, plsy9.mf, pltcsc10.mf, pltex10.mf, pltex8.mf, pltex9.mf, + plti10.mf, plti12.mf, plti7.mf, plti8.mf, plti9.mf, pltt10.mf, + pltt12.mf, pltt8.mf, pltt9.mf, plu10.mf, plvtt10.mf; + + nearly all parameter files employ Knuth's sources; + the exception are plbsy5.mf, plbsy7.mf, plmib5.mf, plmib7.mf, + which make use of the sources from AMS distribution of Computern + Modern family; these fonts are currently absent from the + distribution of Type 1 collection of PL fonts; + + (c) 2 extra files: + * cmssbi10.mf -- added for the sake of completeness + (such a file is missing from the original set + of parameter files); + * dlr10.mf -- a sample file, demonstrating how to change the + basic unit of a font (in this case, the parameter file + defines 10 didot point font) + +-------- +HISTORY: +-------- + + 7 Feb 1992: version 1.00 +11 Feb 1992: version 1.01 + * no changes; the new version number due to changes in \MeX{} format + 25 May -- 1 Jun 1992: version 1.02 + * pl_dod.mf: + the following two erroneous assignments: + z_a:=(x_down+the_left_pos,.5penkind); % starting point + z_d:=(xpart(z_a)-.5penkind,y_right+.5penkind)+the_tip_pos; % ending point + changed to the following ones: + z_a:=(x_down+the_left_pos,ypart(ogonek_pos)); % starting point + z_d:=(xpart(z_a)-.5penkind,y_right+ypart(ogonek_pos))+ + the_tip_pos; % ending point + Some comments changed. + * pl_mlk.mf: + the stroke in crossed l (olde code for the letter l): + filldraw stroke z1e--z2e; %| stem + changed to: + filldraw stroke z1e--z2'e; %| stem + * fik_mik.mf: + cmbase.mf is being read by fik_mik.mf in order to prevent + reading it while processing parameter files +18 Dec 1992: version 1.03 + * fik_mik.mf: + possibility of arbitrary rescaling added: the value of + |basic_unit#| can be used to override default |pt#| basic + unit (suggestion of M. \L{}akomy; cf. the sample file dlr10.mf + producing a |10dd#| roman font) + * cosmetic changes in cmbx11.mf, cmr11.mf, cmti11.mf, cmsl11.mf, + cmssbi10.mf, and polan.mf +14 Apr 1996: version 1.07$gamma$ -- unofficial release + (versions 1.04 thru 1.06 were never released) + * a nasty bug removed, found by Andreas Schwab in connection with + Joerg Knappen's works on including the code of PL fonts into + EC fonts: TFM files used to depend on resolution due to rounding + errors (many thanks, Andreas and Joerg) + * macro |put_dot| corrected (PL_DOD.MF) + * |qvair| and |limit_dist| defined as macros (used to be variables) + * some code cleaning +13 Apr 2000: version 1.07 -- official release (for BachoTeX 2000) + * no changes of code since version 1.07$\gamma$ + * files cmr11.mf, cmti11.mf, cmsl11.mf removed from the distribution + as useless. + * changes in the documentation and new comments in the files +13 Apr 2000: version 1.08 (the date was deliberately retained) + * pl_dod: + a line added in |beginchar_twice| (at the beginning of ``discrete'' + calculations): + save mode_guard_; % dedicated to those who use Karl Berry's modes.mf + the problems with modes.mf were reported by W\l{}odek Macewicz + * the modification HAS NOT INFLUENCE on metric files, i.e., + the files generated from version 1.07 are identical; we do + our best to follow Donald E. Knuth's enunciation: + ``I absolutely guarantee that the TFM files will never change again.'' + (DeK, file CM85bug) + * font plex9 removed from the distribution as not relevant to + the original Computer Modern family; if required (?), + it suffices to copy plex10.mf to plex9.mf + * comment cleaning +13 Apr 2001: version 1.09 + * pl_dod: + the types of the parameters of |special| and |numspecial|, + re-defined in |beginchar_twice|, were inconsistent with + the METAFONT syntax (|primary| instead of |expr|): + <special command> := + special <string expression> | numspecial <numeric expression> + + +-------------- +EMAIL CONTACT: +-------------- + +B.Jackowski@gust.org.pl or M.Rycko@gust.org.pl + |