pl (aka pl-mf) (20mar21)

git-svn-id: svn://tug.org/texlive/trunk@58650 c570f23f-e606-0410-a88d-b1316a301751

12 files changed, 138 insertions, 177 deletions

diff --git a/Master/texmf-dist/fonts/source/public/pl/fik_mik.mf b/Master/texmf-dist/fonts/source/public/pl/fik_mik.mf
index 53592771bc3..c6df823ca55 100644
--- a/Master/texmf-dist/fonts/source/public/pl/fik_mik.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/fik_mik.mf
@@ -2,20 +2,18 @@
 %%% input use_driver
 % This is an auxiliary file which prepares reading a CM parametric file using
 % a sneaky-tricky method. Every PL parametric file (such as PLB10, PLBX10,
-% ..., etc.) inputs this file, optionally changes some of PL parameters, and
+% …, etc.) inputs this file, optionally changes some of PL parameters, and
 % then calls the macro |use_driver|.
 % ---------------------------------------------------------------------------
-% AUTHORS: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
+% ---------------------------------------------------------------------------
+% AUTHORS: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
 %
-% In particular, only the authors are entitled to modify this file.
-%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
-% ---------------------------------------------------------------------------
 if unknown cmbase: input cmbase fi
 
 string driver_name,ss; numeric ii;
diff --git a/Master/texmf-dist/fonts/source/public/pl/pl_cud.mf b/Master/texmf-dist/fonts/source/public/pl/pl_cud.mf
index aa930937443..3b625f8ca65 100644
--- a/Master/texmf-dist/fonts/source/public/pl/pl_cud.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/pl_cud.mf
@@ -1,27 +1,21 @@
 % ---------------------------------------------------------------------------
-% This is PL_CUD.MF ({\bif{}polskie i francuskie cudzys\l{}owy}, i.e., Polish
-% and French quotation marks: ,, << and >>) in text format.
+% This is PL_CUD.MF (polskie i francuskie cudzysłowy, i.e., Polish
+% and French quotation marks: „ « and ») in text format.
 % The program is based on excerpts from the COMLIG.MF and ROMSUB.MF files.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS: Bogusław Jackowski and Marek Ryćko}
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
-% In particular, only the authors are entitled to modify this file.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 %%% italcorr corrital
 %%% beginchar beginchar_twice
 %%% endfor repeat_once
 % ---------------------------------------------------------------------------
-
 cmchar "Polish opening quotes";
 if ligs>0:
 % in typical fonts the Polish opening quotation mark is based on COMLIG's
diff --git a/Master/texmf-dist/fonts/source/public/pl/pl_dl.mf b/Master/texmf-dist/fonts/source/public/pl/pl_dl.mf
index bb1cc5b3629..f374d6e2933 100644
--- a/Master/texmf-dist/fonts/source/public/pl/pl_dl.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/pl_dl.mf
@@ -1,21 +1,18 @@
 % ---------------------------------------------------------------------------
-% This is PL_DL.MF ({\bif{}du\.ze polskie litery}, i.e., uppercase Polish
+% This is PL_DL.MF (duże polskie litery, i.e., uppercase Polish
 % letters: A and E with ogonek, crossed L, accented C, N, O, S, Z,
 % and dotted Z) in text format.
 % The program is based on excerpts from the ROMANU.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF ADAPTATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF ADAPTATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 %%% fine fisp
 %%% beginchar beginchar_twice
 %%% endfor repeat_once
diff --git a/Master/texmf-dist/fonts/source/public/pl/pl_dod.mf b/Master/texmf-dist/fonts/source/public/pl/pl_dod.mf
index 0ee4de52785..50bd6084991 100644
--- a/Master/texmf-dist/fonts/source/public/pl/pl_dod.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/pl_dod.mf
@@ -1,89 +1,85 @@
 % ---------------------------------------------------------------------------
-% This is PL_DOD.MF ({\bif{}dodatkowy}, i.e., additional file for the Polish
+% This is PL_DOD.MF (dodatkowy, i.e., additional file for the Polish
 % extension of CM family) in text format.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
-% In particular, only the authors are entitled to modify this file.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-%%{\let\:\sl
-%\: This file provides accessories for making Polish diacritical characters: 
-%\: acute accent for |"C"|, |"N"|, |"L"|, |"S"|, |"Z"|, dot accent for |"Z"|,
-%\: cross for |"L"| and ogonek for |"A"| and |"E"|.  In order to avoid extra
-%\: parameters (62 should be enough) the macros do a lot of ``clever'' stuff,
-%\: trying to figure out needed dimensions. This is not always a trivial
-%\: task and in some cases such extra parameters may prove to be unavoidable.
-%\: Several additional parameters may be assigned a value, prior to reading
-%\: the driver file, in order to override the default behaviour.
-
-%\: One of them is
-%\:   --- the factor controlling the slope of accents over majuscules,
-%\:       |cap_flat|; if the default slope is, say, $\beta$, the resulting
-%\:       slope is equal to |(1-cap_flat)*|$\beta$; this parameter is used
-%\:       in the sources of the following fonts:
-%\        PLCSC10, PLDUNH10, PLTCSC10
-
-%\: Unexpectedly difficult to program turned out to be ogoneks. We decided
-%\: that the best looking are ogoneks such that a single B\`ezier segment
-%\: describes each of ogonek's edges. This necessitated introducing many
-%\: parameters controlling the positions of control points (for more details
-%\: see comments in the section ``OGONEK ACCESSORIES''). All these
-%\: (optional) parameters may be splitted into three groups of importance:
-%\: primary, secondary and tertiary. The primary parameters are intended
-%\: to be ``normally'' accessible to users, the secondary ones---only in
-%\: case of emergency, the tertiary ones---rather not at all.
-
-%\: The primary parameters are:
-
-%\:   --- the factor controlling the depth of ogoneks, |depth_corr|; the
-%\:       resulting depth is equal to |depth_corr*desc_depth#| if the value
-%\:       of |depth_corr| is known, |desc_depth#| otherwise
-%\:   --- the factor controlling the leftmost and tip positions
-%\:       of an ogonek, |left_corr|, |tip_xcorr| and |tip_ycorr|;
-%\:       the default distances are scaled using the values of the
-%\:       corresponding parameters       
-%\:   --- the scaling factor for the top and tip breadths of an ogonek,
-%\:       |top_breadth_corr|, |tip_breadth_corr|
-
-%\: Some of the primary parameters are used in the sources of the following
-%\: fonts:
-%   PLB10, PLBX5, PLBX6, PLBX7, PLBX8, PLFI10, PLITT10, PLR5, PLR6, PLR7,
-%   PLR8, PLR9, PLR12, PLR17, PLSL8, PLSL9, PLSL12, PLSSQ8, PLSSQI8, PLTI7,
-%   PLTI8, PLTI12, PLVTT10
-
-%\: The following four parameters we regard as of a secondary importance:
-
-%\:   --- the pen ogoneks are to be filled with, |ogonek_pen#| (this is
-%\:       the only sharp ogonek parameter and is used in the sources of 
-%\:       the {\commfont{}PLFF10} and {\commfont{}PLFI10} fonts)
-%\:   --- the darkness of ogoneks may be controlled using two parameters,
-%\:       |0<pre_lightness<1| and |0<post_lightness<1|, referring to the top
-%\:       and tip of an ogonek, respectively; used in {\commfont{}PLB10.MF}
-%\:   --- next two parameters, |pre_deflexion| and |post_deflexion|, control
-%\:       a rather small deflexion angle (in degrees) of the inner ogonek
-%\:       outline as compared to the outer one; they refere to the top and
-%\:       tip of an ogonek, respectively
-
-%\: The complete list of `ogonek' parameters can be found in the section
-%\: ``OGONEK ACCESSORIES.''
-
-%\: There is one more (rather unimportant) parameter, |is_smoke|. If this
-%\: variable is assigned a known value, `smoked' proofs will not contain
-%\: a rule marking the height of accented letters.
-%%}
+% This file provides accessories for making Polish diacritical characters:
+% acute accent for |"C"|, |"N"|, |"L"|, |"S"|, |"Z"|, dot accent for |"Z"|,
+% cross for |"L"| and ogonek for |"A"| and |"E"|.  In order to avoid extra
+% parameters (62 should be enough) the macros do a lot of “clever” stuff,
+% trying to figure out needed dimensions. This is not always a trivial
+% task and in some cases such extra parameters may prove to be unavoidable.
+% Several additional parameters may be assigned a value, prior to reading
+% the driver file, in order to override the default behaviour.
+%
+% One of them is
+%     – the factor controlling the slope of accents over majuscules,
+%       |cap_flat|; if the default slope is, say, $\beta$, the resulting
+%       slope is equal to |(1-cap_flat)*|$\beta$; this parameter is used
+%       in the sources of the following fonts:
+%       PLCSC10, PLDUNH10, PLTCSC10
+%
+% Unexpectedly difficult to program turned out to be ogoneks. We decided
+% that the best looking are ogoneks such that a single B\`ezier segment
+% describes each of ogonek's edges. This necessitated introducing many
+% parameters controlling the positions of control points (for more details
+% see comments in the section “OGONEK ACCESSORIES”). All these
+% (optional) parameters may be splitted into three groups of importance:
+% primary, secondary and tertiary. The primary parameters are intended
+% to be “normally” accessible to users, the secondary ones – only in
+% case of emergency, the tertiary ones – rather not at all.
+%
+% The primary parameters are:
+%
+%     – the factor controlling the depth of ogoneks, |depth_corr|; the
+%       resulting depth is equal to |depth_corr*desc_depth#| if the value
+%       of |depth_corr| is known, |desc_depth#| otherwise
+%     – the factor controlling the leftmost and tip positions
+%       of an ogonek, |left_corr|, |tip_xcorr| and |tip_ycorr|;
+%       the default distances are scaled using the values of the
+%       corresponding parameters
+%     – the scaling factor for the top and tip breadths of an ogonek,
+%       |top_breadth_corr|, |tip_breadth_corr|
+%
+% Some of the primary parameters are used in the sources of the following
+% fonts:
+% PLB10, PLBX5, PLBX6, PLBX7, PLBX8, PLFI10, PLITT10, PLR5, PLR6, PLR7,
+% PLR8, PLR9, PLR12, PLR17, PLSL8, PLSL9, PLSL12, PLSSQ8, PLSSQI8, PLTI7,
+% PLTI8, PLTI12, PLVTT10
+%
+% The following four parameters we regard as of a secondary importance:
+%
+%     – the pen ogoneks are to be filled with, |ogonek_pen#| (this is
+%       the only sharp ogonek parameter and is used in the sources of
+%       the {\commfont{}PLFF10} and {\commfont{}PLFI10} fonts)
+%     – the darkness of ogoneks may be controlled using two parameters,
+%       |0<pre_lightness<1| and |0<post_lightness<1|, referring to the top
+%       and tip of an ogonek, respectively; used in {\commfont{}PLB10.MF}
+%     – next two parameters, |pre_deflexion| and |post_deflexion|, control
+%       a rather small deflexion angle (in degrees) of the inner ogonek
+%       outline as compared to the outer one; they refere to the top and
+%       tip of an ogonek, respectively
+%
+% The complete list of `ogonek' parameters can be found in the section
+% “OGONEK ACCESSORIES.”
+%
+% There is one more (rather unimportant) parameter, |is_smoke|. If this
+% variable is assigned a known value, `smoked' proofs will not contain
+% a rule marking the height of accented letters.
 % ---------------------------------------------------------------------------
 
 
 % ---------------------------------------------------------------------------
 %                          LAYOUT SETUP:
-%        (A MIXTURE OF EXTENDED CM, EXTENDED ASCII, AND ``LOCAL'')
+%        (A MIXTURE OF EXTENDED CM, EXTENDED ASCII, AND “LOCAL”)
 % ---------------------------------------------------------------------------
 % Polish letters are in the positions of extended CM layout:
 
@@ -115,10 +111,10 @@ enddef;
 % while Polish opening quotation mark is in the position of ASCII 255:
 
 def quotes_positions =
- french_opening_quotes:=174; % <<
- french_closing_quotes:=175; % >>
+ french_opening_quotes:=174; % « – can be accessed as ligature <<
+ french_closing_quotes:=175; % » – can be accessed as ligature >>
  % exceptionally:
- polish_opening_quotes:=255; % ,,
+ polish_opening_quotes:=255; % „ – can be accessed as ligature ,,
 enddef;
 
 polish_uc_positions; polish_lc_positions; quotes_positions;
@@ -127,7 +123,7 @@ polish_uc_positions; polish_lc_positions; quotes_positions;
 % ---------------------------------------------------------------------------
 % The variable |improve_kerns| should not be set to |true| if one wants
 % to have PL fonts compatible with respective CM ones; thus the commands
-% |if improve_kerns| ... |fi| may be regarded as comments (see also the files
+% |if improve_kerns| … |fi| may be regarded as comments (see also the files
 % POLAN.MF, POLKUR.MF, POLTYT.MF and POLKAP.MF).
 if unknown improve_kerns: boolean improve_kerns; improve_kerns=false; fi;
 
@@ -146,7 +142,7 @@ vardef limit_dist = 5/4u#*hppp enddef;
 % to be used in some crucial places instead of |vair|.
 vardef xvair = stem*vair#/stem# enddef;
 
-% In particular, |qvair| (``quote vair'') is defined using |xvair|.
+% In particular, |qvair| (“quote vair”) is defined using |xvair|.
 vardef qvair = max(round(xvair),fine+epsilon) enddef;
 % ---------------------------------------------------------------------------
 %                         GENERAL PURPOSE ACCESSORIES
@@ -180,7 +176,7 @@ vardef fix_virgin z = % find a pair of virgin pairs
   jj:=incr jj else: jj=ii fi; exitif known ii;
  endfor;
  jj:=ii+1;
-% now |ii+1=jj| and |z[ii]| and |z[jj]| are ``untouched''
+% now |ii+1=jj| and |z[ii]| and |z[jj]| are “untouched”
 enddef;
 
 %%% italcorr corrital
@@ -217,13 +213,13 @@ enddef;
 % ---------------------------------------------------------------------------
 % |the_cap_flat| is a factor controlling the flatness of accents over
 % majuscules; a default value may be overriden by assigning a value to the
-% variable |cap_flat| (cf. also |the_|... macros in ogonek accessories).
+% variable |cap_flat| (cf. also |the_|… macros in ogonek accessories).
 vardef the_cap_flat =
  if known cap_flat: cap_flat elseif serifs and hefty: 1/5 else: 1/3 fi
 enddef;
 % ---------------------------------------------------------------------------
 % The |hpos_corr| variable is an optional parameter to |put_ogonek|, meant
-% to be set locally inside |beginchar| ... |endchar|, if a horizontal
+% to be set locally inside |beginchar| … |endchar|, if a horizontal
 % correction of the accent position is needed:
 numeric hpos_corr;
 % ---------------------------------------------------------------------------
@@ -346,7 +342,7 @@ def put_accent =
  corrital z.right; % correct italic correction
 % adjust height (the same height is used in the program for the dotted `Z'):
  h:=if is_cap: y.top else: a_ht fi;
- mark_height(a_ht#); 
+ mark_height(a_ht#);
  penlabels([ii],[jj]);
 enddef;
 % ---------------------------------------------------------------------------
@@ -384,7 +380,7 @@ def put_dot (suffix penkind) (expr sharp_d_d) = % the dot of the lc letter `i'
 % lower the dot if needed (for dotted `Z' only):
  if (charcode=dotted_Z) and (ove_>0):
   save low_; % |low_| is to be the maximal acceptable lowering of the dot
-  low_=max(0,min(ove_,gap_-penkind)); % somewhat arbitrary formula...
+  low_=max(0,min(ove_,gap_-penkind)); % somewhat arbitrary formula…
   forsuffixes $= ,l,r: y[jj]$:=y[jj]$-low_; endfor
  fi
  y[ii]=.5[y[jj]l,y[jj]r];
@@ -434,8 +430,8 @@ enddef;
 % that the basic font unit |u| may change during one session of font
 % generation (monospace and caps-small-caps) and that a few different
 % pens may be used to draw a single letter, you'll understand why so many
-% |if| ... |else:| ... |fi| commands are used in the following code.
-% 
+% |if| … |else:| … |fi| commands are used in the following code.
+%
 % Outer and inner edges of an ogonek (suffixed with |l| and |r|, resp.)
 % are single B\`ezier segments; the outer one, a path
 %    |p=z_a..controls z_b and z_c ..z_d|
@@ -443,20 +439,20 @@ enddef;
 % |alpha_d| and two numbers |x_down|, |y_right|, find pairs |z_b| and |z_c|
 % such that the path |p| has the following properties:
 %   (a) |direction p(z_a)=alpha_a|
-%   (b) |direction p(z_d)=alpha_d-180| 
+%   (b) |direction p(z_d)=alpha_d-180|
 %   (c) |direction p(x_down,some_y)=down|
 %   (d) |direction p(some_x,y_right)=right|
-% The problem is solved using a ``double'' bisection method, provided 
+% The problem is solved using a “double” bisection method, provided
 % that appropriate limits |z_b'|, |z_b''| and |z_c'|, |z_c''| for |z_b|
 % and |z_c|, respectively, are given; more precisely,
-%       |z_b=|$\lambda_b$|[z_b',zb'']| and |z_c=|$\lambda_c$|[z_c',zc'']|
+%       |z_b=|$\lambda_b$|[z_b', zb'']| and |z_c=|$\lambda_c$|[z_c', zc'']|
 % is supposed to hold for given |z_b'|, |z_b''|, |z_c'|, |z_c''| and
 % some $0<\lambda_b,\lambda_c<1$.
 %
-% The inner edge is constructed by a careful modification of the outer one. 
+% The inner edge is constructed by a careful modification of the outer one.
 %
 % If a default behaviour of our program is not satisfying, the user may
-% assign a value to the following ``emergency'' parameters (provided E knows
+% assign a value to the following “emergency” parameters (provided E knows
 % what E is doing):
 %       |depth_corr|, |left_corr|, |top_breadth_corr|, |tip_breadth_corr|,
 %       |tip_xcorr|, |tip_ycorr|, |pre_angle|, |post_angle|,
@@ -562,11 +558,11 @@ enddef;
 
 vardef the_pre_limit = % refers to the outer edge
  if known pre_limit: pre_limit else: x_down-3.5hi.u fi
-enddef; 
+enddef;
 
 vardef the_post_limit = % refers to the outer edge
  if known post_limit: post_limit else: x_down-2hi.u fi
-enddef; 
+enddef;
 
 vardef the_pre_lightness = % refers to the inner edge
  if known pre_lightness: pre_lightness else:
@@ -590,7 +586,7 @@ enddef;
 vardef the_pre_deflexion = % refers to the inner edge
  if known pre_deflexion: pre_deflexion
   elseif known join_angle and not serifs:
-   if is_bold: -4 else: -2 fi\\ 
+   if is_bold: -4 else: -2 fi\\
   elseif not serifs: if is_bold: -8 else: -4 fi\\ else: 0 fi
 enddef;
 % ---------------------------------------------------------------------------
@@ -760,7 +756,7 @@ def beginchar_twice(expr c,w_sharp,h_sharp,d_sharp) =
 % |sharp_calc| is checked in |corrital|, |mark_height|, |put_accent|,
 % and |put_dot|
    sharp_calc:=sharp_calc_;
-   if known sharp_calc: % carry out ``sharp'' calculations
+   if known sharp_calc: % carry out “sharp” calculations
     begingroup save mode,mag; mode:=canonical_sharp_mode; mode_setup;
     if known cmbase: font_setup;
      if not serifs: fisp:=round(1/3[fine,crisp]); prepare_pen fisp; fi
@@ -787,7 +783,7 @@ def beginchar_twice(expr c,w_sharp,h_sharp,d_sharp) =
     def special expr t = enddef;
     def numspecial expr t = enddef;
     charwd:=w_sharp; charht:=h_sharp; chardp:=d_sharp; charic:=0;
-   else: % carry out ``discrete'' calculations
+   else: % carry out “discrete” calculations
     save mode_guard_; % dedicated to those who use Karl Berry's modes.mf
     mode:=prev_mode; mode_setup;
     if known cmbase: font_setup;
diff --git a/Master/texmf-dist/fonts/source/public/pl/pl_ml.mf b/Master/texmf-dist/fonts/source/public/pl/pl_ml.mf
index 239afbb9154..7032d6be111 100644
--- a/Master/texmf-dist/fonts/source/public/pl/pl_ml.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/pl_ml.mf
@@ -1,21 +1,18 @@
 % ---------------------------------------------------------------------------
-% This is PL_ML.MF ({\bif{}ma\l{}e polskie litery}, i.e., lowercase Polish
+% This is PL_ML.MF (małe polskie litery, i.e., lowercase Polish
 % letters: a and e with ogonek, crossed l, accented c, n, o, s, z,
 % and dotted z) in text format.
 % The program is based on excerpts from the ROMANL.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF ADAPTATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF ADAPTATION: Bogusław Jackowski and Marek Ryćko}
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 %%% beginchar beginchar_twice
 %%% endfor repeat_once
 % ---------------------------------------------------------------------------
@@ -171,7 +168,7 @@ beginchar_twice(crossed_l,5u#,asc_height#,0);
  numeric unbalance;
  unbalance=if monospace: 1 else: 1.1 fi;
  if not monospace:
-  numeric cross_fit#; 
+  numeric cross_fit#;
   cross_fit#=serif_fit#+if not serifs: if is_bold: 1 else: .75 fi\\ else:
    .5 fi\\ u#;
   charwd:=charwd_;
diff --git a/Master/texmf-dist/fonts/source/public/pl/pl_mlk.mf b/Master/texmf-dist/fonts/source/public/pl/pl_mlk.mf
index f1d9aeb7b5e..36fd2969a96 100644
--- a/Master/texmf-dist/fonts/source/public/pl/pl_mlk.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/pl_mlk.mf
@@ -1,21 +1,18 @@
 % ---------------------------------------------------------------------------
-% This is PL_MLK.MF ({\bif{}ma\l{}e polskie litery --- kursywa}, i.e.,
+% This is PL_MLK.MF (małe polskie litery – kursywa, i.e.,
 % lowercase italic Polish letters: a and e with ogonek, crossed l,
 % accented c, n, o, s, z, and dotted z) in text format.
 % The program is based on excerpts from the ITALL.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF ADAPTATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF ADAPTATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 %%% beginchar beginchar_twice
 %%% endfor repeat_once
 % ---------------------------------------------------------------------------
diff --git a/Master/texmf-dist/fonts/source/public/pl/pl_sym.mf b/Master/texmf-dist/fonts/source/public/pl/pl_sym.mf
index 88dc3b93a41..0605aa4aff9 100644
--- a/Master/texmf-dist/fonts/source/public/pl/pl_sym.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/pl_sym.mf
@@ -1,21 +1,18 @@
 % ---------------------------------------------------------------------------
-% This is PL_SYM.MF ({\bif{}polskie symbole matematyczne, i.e., extra
+% This is PL_SYM.MF (polskie symbole matematyczne, i.e., extra
 % Polish math symbols) in text format. Characters |xleq| and |xgeq| are
 % generated when their codes are known.
 % The program is a modification of the SYM.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF MODIFICATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF MODIFICATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 iff known xleq: cmchar "Extra less than or equal to sign";
 compute_spread(.45x_height#,.55x_height#);
 spread#':=spread#; spread':=spread; % the spread of `$=$'
diff --git a/Master/texmf-dist/fonts/source/public/pl/polan.mf b/Master/texmf-dist/fonts/source/public/pl/polan.mf
index 20396123fb8..7b7c7311b54 100644
--- a/Master/texmf-dist/fonts/source/public/pl/polan.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/polan.mf
@@ -1,19 +1,16 @@
 % ---------------------------------------------------------------------------
-% This is POLAN.MF ({\bif{}polska antykwa}, i.e., roman) in text format.
+% This is POLAN.MF (polska antykwa, i.e., roman) in text format.
 % The program is a modification of the ROMAN.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF MODIFICATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF MODIFICATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 if ligs>1: font_coding_scheme:="TeX text";
  spanish_shriek=oct"074"; spanish_query=oct"076";
 else: font_coding_scheme:=if ligs=0: "TeX typewriter text"
@@ -69,7 +66,7 @@ k#:=-.5u#; kk#:=-1.5u#; kkk#:=-2u#;
 %  - between sansserif Polish crossed |"l"| and some minuscules
 %  - between Polish opening quotes and some letters
 % the following kerns should have been added:
-%  - between |"."| and |"."| (...)
+%  - between |"."| and |"."| (...); one may also consider ligature …
 %  - between |"A"| and |"v"| (Average)
 %  - between |"A"| and |"w"| (Awkward or Lem's Awruk)
 %  - between |"F"|, |"P"|, |"T"|, |"V"|, |"W"|, |"Y"| and |"."|, |","|
diff --git a/Master/texmf-dist/fonts/source/public/pl/polkap.mf b/Master/texmf-dist/fonts/source/public/pl/polkap.mf
index eaf5d0ab04f..df861609687 100644
--- a/Master/texmf-dist/fonts/source/public/pl/polkap.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/polkap.mf
@@ -1,20 +1,17 @@
 % ---------------------------------------------------------------------------
-% This is POLKAP.MF ({\bif{}polskie kapitaliki}, i.e., caps \& small caps) in
+% This is POLKAP.MF (polskie kapitaliki, i.e., caps and small caps) in
 % text format.
 % The program is a modification of the CSC.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF MODIFICATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF MODIFICATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 font_coding_scheme:=if ligs=0: "TeX typewriter text"
  else: "TeX text without f-ligatures" fi;
 spanish_shriek=oct"016"; spanish_query=oct"017";
diff --git a/Master/texmf-dist/fonts/source/public/pl/polkur.mf b/Master/texmf-dist/fonts/source/public/pl/polkur.mf
index ee31ca5f3ea..cb1dc87aad3 100644
--- a/Master/texmf-dist/fonts/source/public/pl/polkur.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/polkur.mf
@@ -1,20 +1,17 @@
 % ---------------------------------------------------------------------------
-% This is POLKUR.MF ({\bif{}polska kursywa}, i.e., text italic)
+% This is POLKUR.MF (polska kursywa, i.e., text italic)
 % in text format.
 % The program is a modification of the TEXTIT.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF MODIFICATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF MODIFICATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 mode_setup; font_setup;
 
 input pl_dod; % Polish additional definitions
@@ -71,7 +68,7 @@ k#:=-.5u#; kk#:=-1.5u#; kkk#:=-2u#;
 %  - between Polish crossed |"l"| and |"'"|
 %  - between Polish opening quotes and some letters
 % the following kerns should have been added:
-%  - between |"."| and |"."| (...)
+%  - between |"."| and |"."| (...); one may also consider ligature …
 %  - between |"A"| and |"v"| (Average)
 %  - between |"A"| and |"w"| (Awkward or Lem's Awruk)
 %  - between |"F"|, |"P"|, |"T"|, |"V"|, |"W"|, |"Y"| and |"."|, |","|
diff --git a/Master/texmf-dist/fonts/source/public/pl/polmat.mf b/Master/texmf-dist/fonts/source/public/pl/polmat.mf
index 8d9e3dc350d..d6b339e6695 100644
--- a/Master/texmf-dist/fonts/source/public/pl/polmat.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/polmat.mf
@@ -1,20 +1,17 @@
 % ---------------------------------------------------------------------------
-% This is POLMAT.MF ({\bif{}polski font matematyczny}, i.e., the Polish
+% This is POLMAT.MF (polski font matematyczny, i.e., the Polish
 % extension of Computer Modern Symbol fonts) in text format.
 % The program is a modification of the MATHSY.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF MODIFICATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF MODIFICATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 font_coding_scheme:="TeX math symbols";
 mode_setup; font_setup;
 
diff --git a/Master/texmf-dist/fonts/source/public/pl/poltyt.mf b/Master/texmf-dist/fonts/source/public/pl/poltyt.mf
index 7eb35982e30..01ceaacf02d 100644
--- a/Master/texmf-dist/fonts/source/public/pl/poltyt.mf
+++ b/Master/texmf-dist/fonts/source/public/pl/poltyt.mf
@@ -1,20 +1,17 @@
 % ---------------------------------------------------------------------------
-% This is POLTYT.MF ({\bif{}polski font tytu\l{}owy}, i.e., title font)
+% This is POLTYT.MF (polski font tytułowy, i.e., title font)
 % in text format. The font contains caps and digits only.
 % The program is a modification of the MATHSY.MF file.
 % ---------------------------------------------------------------------------
-% PL VERSION 1.09, April 13th, 2001 -- released for BachoTeX 2001
+% PL VERSION 1.09a, 30th March 2020 (see README.ENG)
 % ---------------------------------------------------------------------------
-% AUTHORS OF MODIFICATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
+% AUTHORS OF MODIFICATION: Bogusław Jackowski and Marek Ryćko
 % ---------------------------------------------------------------------------
 % This file belongs to the public domain under conditions similar to
 % those of D. E. Knuth specified for the Computer Modern family of fonts.
-% 
+%
 % For details see either the file MEXINFO.POL or MEXINFO.ENG.
 % ---------------------------------------------------------------------------
-
-
-% ---------------------------------------------------------------------------
 font_coding_scheme:="Caps and digits only";
 
 mode_setup; font_setup;