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Diffstat (limited to 'Master/texmf-dist/doc/fonts')
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/GUST-FONT-LICENSE.TXT (renamed from Master/texmf-dist/doc/fonts/lm/GUST-FONT-LICENSE.txt) | 10 | ||||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/MANIFEST-Latin-Modern.TXT (renamed from Master/texmf-dist/doc/fonts/lm/MANIFEST-Latin-Modern.txt) | 6 | ||||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/README-Latin-Modern.TXT (renamed from Master/texmf-dist/doc/fonts/lm/README-Latin-Modern.txt) | 79 | ||||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/lm-hist.txt | 93 | ||||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/lm-info.pdf | bin | 880442 -> 900650 bytes | |||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/tstlmot1.pdf | bin | 300182 -> 301336 bytes | |||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/tstlmot4.pdf | bin | 257071 -> 280574 bytes | |||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/tstlmqx.pdf | bin | 256302 -> 279324 bytes | |||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/tstlmt1.pdf | bin | 237736 -> 260202 bytes | |||
| -rw-r--r-- | Master/texmf-dist/doc/fonts/lm/tstlmts1.pdf | bin | 487324 -> 520065 bytes |
10 files changed, 161 insertions, 27 deletions
diff --git a/Master/texmf-dist/doc/fonts/lm/GUST-FONT-LICENSE.txt b/Master/texmf-dist/doc/fonts/lm/GUST-FONT-LICENSE.TXT index 60b55002ee6..604bf7597db 100644 --- a/Master/texmf-dist/doc/fonts/lm/GUST-FONT-LICENSE.txt +++ b/Master/texmf-dist/doc/fonts/lm/GUST-FONT-LICENSE.TXT @@ -1,5 +1,4 @@ -% This is a preliminary version (2006-09-30), barring acceptance from -% the LaTeX Project Team and other feedback, of the GUST Font License. +% This is version 1.0, dated 22 June 2009, of the GUST Font License. % (GUST is the Polish TeX Users Group, http://www.gust.org.pl) % % For the most recent version of this license see @@ -10,7 +9,7 @@ % This work may be distributed and/or modified under the conditions % of the LaTeX Project Public License, either version 1.3c of this % license or (at your option) any later version. -% +% % Please also observe the following clause: % 1) it is requested, but not legally required, that derived works be % distributed only after changing the names of the fonts comprising this @@ -18,13 +17,12 @@ % files comprising the Work, as listed in the manifest, also be given % new names. Any exceptions to this request are also given in the % manifest. -% +% % We recommend the manifest be given in a separate file named % MANIFEST-<fontid>.txt, where <fontid> is some unique identification -% of the font family. If a separate "readme" file accompanies the Work, +% of the font family. If a separate "readme" file accompanies the Work, % we recommend a name of the form README-<fontid>.txt. % % The latest version of the LaTeX Project Public License is in % http://www.latex-project.org/lppl.txt and version 1.3c or later % is part of all distributions of LaTeX version 2006/05/20 or later. - diff --git a/Master/texmf-dist/doc/fonts/lm/MANIFEST-Latin-Modern.txt b/Master/texmf-dist/doc/fonts/lm/MANIFEST-Latin-Modern.TXT index c715823b413..277323e5a56 100644 --- a/Master/texmf-dist/doc/fonts/lm/MANIFEST-Latin-Modern.txt +++ b/Master/texmf-dist/doc/fonts/lm/MANIFEST-Latin-Modern.TXT @@ -4,10 +4,10 @@ Designer (Computer Modern Family of Fonts): Donald E. Knuth Authors: Bogus\l{}aw Jackowski and Janusz M. Nowacki -Version: 1.106 -Date: 22 I 2008 +Version: 2.003 +Date: 16 IX 2009 -Copyright 2003--2008 by B. Jackowski and J.M. Nowacki +Copyright 2003--2009 by B. Jackowski and J.M. Nowacki (on behalf of TeX USERS GROUPS). This work is released under the GUST Font License. For the most recent version of this license see diff --git a/Master/texmf-dist/doc/fonts/lm/README-Latin-Modern.txt b/Master/texmf-dist/doc/fonts/lm/README-Latin-Modern.TXT index ae50238119d..d83c703bcaa 100644 --- a/Master/texmf-dist/doc/fonts/lm/README-Latin-Modern.txt +++ b/Master/texmf-dist/doc/fonts/lm/README-Latin-Modern.TXT @@ -5,11 +5,11 @@ Font: The Latin Modern Family of Fonts Designer (Computer Modern Family of Fonts): Donald E. Knuth Author: Bogus\l{}aw Jackowski and Janusz M. Nowacki -Version: 1.106 -Date: 22 I 2008 +Version: 2.003 +Date: 16 IX 2009 Downloads: http://www.gust.org.pl/projects/e-foundry/latin-modern/ License: - % Copyright 2003--2008 by B. Jackowski and J.M. Nowacki + % Copyright 2003--2009 by B. Jackowski and J.M. Nowacki % (on behalf of TeX Users Groups). % This work is released under the GUST Font License % -- see GUST-FONT-LICENSE.txt. @@ -85,7 +85,7 @@ for ConTeXt, therefore users do not need to load any specific files. The package consists of the files in the directories conforming to the TeX Directory Structure (v. 1.1), splitted into three archives: -lm1.106-bas.zip -- basic set; the directories contain: +lm2.003-bas.zip -- basic set; the directories contain: ~~~~~~~~~~~~~~ doc/fonts/lm this file plus a few LaTeX examples (test files); tex/latex/lm the relevant LaTeX support files (very many thanks @@ -120,7 +120,7 @@ fonts/tfm/public/lm TeX font metric files (*.tfm) for: -- Text Companion for EC fonts aka TS1 (ts1-*.tfm). fonts/afm/public/lm Adobe font metric files (*.afm); -lm1.106mt1.zip -- Latin Modern source font files for the METATYPE1 package +lm2.003mt1.zip -- Latin Modern source font files for the METATYPE1 package ~~~~~~~~~~~~~~ (fonts/source/public/lm); the version 0.48y of METATYPE1 is required, see ftp://ftp.bop.com.pl/pub/metatype1 , for the current version of the engine; in order to generate @@ -129,7 +129,7 @@ lm1.106mt1.zip -- Latin Modern source font files for the METATYPE1 package and renamed to lm-tex.mpe; otherwise a default encoding (QX) will be used -lm1.106-otf.zip -- Latin Modern OpenType font files, for those who are not +lm2.003-otf.zip -- Latin Modern OpenType font files, for those who are not ~~~~~~~~~~~~~~~~ interested in the whole bundle The project has been launched and is supported by TeX USERS GROUPS @@ -151,30 +151,30 @@ ideas, remarks, bug reports, objections, hints, consolations, etc. * * * -Latin Modern contents details: +Latin Modern text fonts contents details: --------------------------------- total number of fonts 72 -total number of characters 55292 +total number of characters 58604 total number of kern pairs 532383 --------------------------------- -LAYOUT 1 (778) +LAYOUT 1 (824) lmssq8 lmssqbo8 lmssqbx8 lmssqo8 Extra chars: varI varIJ varIogonek -LAYOUT 2 (775; basic) +LAYOUT 2 (821; basic) lmb10 lmbo10 lmbx10 lmbx12 lmbx5 lmbx6 lmbx7 lmbx8 lmbx9 lmbxi10 lmbxo10 lmdunh10 lmduno10 lmr10 lmr12 lmr17 lmr5 lmr6 lmr7 lmr8 lmr9 lmri10 lmri12 lmri7 lmri8 lmri9 lmro10 lmro12 lmro17 lmro8 lmro9 lmss10 lmss12 lmss17 lmss8 lmss9 lmssbo10 lmssbx10 lmssdc10 lmssdo10 lmsso10 lmsso12 lmsso17 lmsso8 lmsso9 lmu10 lmvtk10 lmvtko10 lmvtl10 lmvtlo10 lmvtt10 lmvtto10 -LAYOUT 3 (768) +LAYOUT 3 (814) lmcsc10 lmcsco10 Missing chars: f_k ff ffi ffl fi fl longs -LAYOUT 4 (739) +LAYOUT 4 (785) lmtk10 lmtko10 lmtl10 lmtlc10 lmtlco10 lmtlo10 lmtt10 lmtt12 lmtt8 lmtt9 lmtti10 lmtto10 Missing chars: eight.oldstyle eight.prop f_k ff ffi ffl fi five.oldstyle @@ -184,7 +184,7 @@ seven.oldstyle seven.prop six.oldstyle six.prop suppress three.oldstyle three.prop trademark two.oldstyle two.prop varcopyright varregistered zero.oldstyle zero.prop -LAYOUT 5 (738) +LAYOUT 5 (784) lmtcsc10 lmtcso10 Missing chars: eight.oldstyle eight.prop f_k ff ffi ffl fi five.oldstyle five.prop fl four.oldstyle four.prop Germandbls hyphen.prop IJ ij longs @@ -212,6 +212,8 @@ Abrevehookabove +++++ abrevehookabove +++++ Abrevetilde +++++ abrevetilde +++++ +Acaron +++++ +acaron +++++ Acircumflex +++++ acircumflex +++++ Acircumflexacute +++++ @@ -246,6 +248,7 @@ Agrave +++++ agrave +++++ Ahookabove +++++ ahookabove +++++ +Alpha +++++ Amacron +++++ amacron +++++ ampersand +++++ @@ -276,6 +279,7 @@ b +++++ backslash +++++ baht +++++ bar +++++ +Beta +++++ bigcircle +++++ blanksymbol +++++ born +++++ @@ -328,6 +332,7 @@ cedilla.dup +++++ cent +++++ cent.oldstyle +++++ centigrade +++++ +Chi +++++ Circumflex +++++ circumflex +++++ circumflex.dup +++++ @@ -361,7 +366,7 @@ dblbracketright +++++ dblGrave +++++ dblgrave +++++ dblgrave.ts1 +++++ -Dblgravecomb +++++ +dblGravecomb +++++ dblgravecomb +++++ dblverticalbar +++++ Dcaron +++++ @@ -378,8 +383,14 @@ Dieresis +++++ dieresis +++++ dieresis.dup +++++ dieresis.ts1 +++++ +Dieresisacute +++++ +dieresisacute +++++ +Dieresiscaron +++++ +dieresiscaron +++++ Dieresiscomb +++++ dieresiscomb +++++ +Dieresisgrave +++++ +dieresisgrave +++++ discount +++++ divide +++++ divorced +++++ @@ -396,6 +407,7 @@ dotbelow +++++ dotbelowcomb +++++ dotlessi +++++ dotlessj +++++ +dotlessj.dup +++++ E +++++ e +++++ Eacute +++++ @@ -443,10 +455,12 @@ Eogonek +++++ eogonek +++++ Eogonekacute +++++ eogonekacute +++++ +Epsilon +++++ equal +++++ Ereversed +++++ ereversed +++++ estimated +++++ +Eta +++++ Eth +++++ eth +++++ Etilde +++++ @@ -541,12 +555,16 @@ Iacute +++++ iacute +++++ Ibreve +++++ ibreve +++++ +Icaron +++++ +icaron +++++ Icircumflex +++++ icircumflex +++++ Idblgrave +++++ idblgrave +++++ Idieresis +++++ idieresis +++++ +Idieresisacute +++++ +idieresisacute +++++ Idotaccent +++++ Idotbelow +++++ idotbelow +++++ @@ -566,16 +584,20 @@ Iogonek +++++ iogonek +++++ Iogonekacute +++++ iogonekacute +++++ +Iota +++++ Itilde +++++ itilde +++++ J +++++ j +++++ +J_caron +++++ Jacute +++++ jacute +++++ +jcaron +++++ Jcircumflex +++++ jcircumflex +++++ K +++++ k +++++ +Kappa +++++ Kcedilla +++++ kcedilla +++++ Kcommaaccent +++++ @@ -625,6 +647,7 @@ Mdotbelow +++++ mdotbelow +++++ mho +++++ minus +++++ +Mu +++++ mu +++++ multiply +++++ musicalnote +++++ @@ -648,16 +671,19 @@ nine +++++ nine.oldstyle +++-- nine.prop +++-- nine.taboldstyle +++++ -nomero +++++ Ntilde +++++ ntilde +++++ +Nu +++++ numbersign +++++ +numero +++++ O +++++ o +++++ Oacute +++++ oacute +++++ Obreve +++++ obreve +++++ +Ocaron +++++ +ocaron +++++ Ocircumflex +++++ ocircumflex +++++ Ocircumflexacute +++++ @@ -703,6 +729,7 @@ ohungarumlaut +++++ Omacron +++++ omacron +++++ Omega +++++ +Omicron +++++ one +++++ one.oldstyle +++-- one.prop +++-- @@ -717,6 +744,8 @@ oogonekacute +++++ openbullet +++++ ordfeminine +++++ ordmasculine +++++ +Orogate +++++ +orogate +++++ Oslash +++++ oslash +++++ Oslash.dup +++++ @@ -791,6 +820,7 @@ recipe +++++ referencemark +++++ registered +++++ registered.alt +++++ +Rho +++++ Ring +++++ ring +++++ Ringacute +++++ @@ -821,6 +851,7 @@ seven +++++ seven.oldstyle +++-- seven.prop +++-- seven.taboldstyle +++++ +sfthyphen +++++ Sigma +++++ six +++++ six.oldstyle +++-- @@ -832,6 +863,7 @@ sterling +++++ suppress +++-- T +++++ t +++++ +Tau +++++ Tcaron +++++ tcaron +++++ Tcedilla +++++ @@ -852,6 +884,7 @@ three.superior +++++ three.taboldstyle +++++ threequarters +++++ threequartersemdash +++++ +tie +++++ tieaccentcapital +++++ tieaccentcapital.new +++++ tieaccentlowercase +++++ @@ -883,12 +916,20 @@ Ubreve +++++ ubreve +++++ Ubrevebelowinverted +++++ ubrevebelowinverted +++++ +Ucaron +++++ +ucaron +++++ Ucircumflex +++++ ucircumflex +++++ Udblgrave +++++ udblgrave +++++ Udieresis +++++ udieresis +++++ +Udieresisacute +++++ +udieresisacute +++++ +Udieresiscaron +++++ +udieresiscaron +++++ +Udieresisgrave +++++ +udieresisgrave +++++ Udotbelow +++++ udotbelow +++++ Ugrave +++++ @@ -912,6 +953,11 @@ uhungarumlaut +++++ Umacron +++++ umacron +++++ underscore +++++ +undertie +++++ +undertieinverted +++++ +uni2010 +++++ +uni2011 +++++ +uni2423 +++++ Uogonek +++++ uogonek +++++ Upsilon +++++ @@ -927,7 +973,6 @@ varI +---- varIJ +---- varIogonek +---- varregistered +++-- -visiblespace +++++ W +++++ w +++++ Wacute +++++ @@ -974,4 +1019,4 @@ zero.oldstyle +++-- zero.prop +++-- zero.slash +++++ zero.taboldstyle +++++ - +Zeta +++++ diff --git a/Master/texmf-dist/doc/fonts/lm/lm-hist.txt b/Master/texmf-dist/doc/fonts/lm/lm-hist.txt index 7b9e19bf467..50ba3b1b3b5 100644 --- a/Master/texmf-dist/doc/fonts/lm/lm-hist.txt +++ b/Master/texmf-dist/doc/fonts/lm/lm-hist.txt @@ -4,6 +4,97 @@ README-Latin-Modern.txt files for the details. For the most recent version of this license see http://www.gust.org.pl/fonts/licenses/GUST-FONT-LICENSE.txt or http://tug.org/fonts/licenses/GUST-FONT-LICENSE.txt +Ver. 2.003, 16.09.2009: main modification: shapes of LM glyps consistent +with D.E. Knuth's recent changes in CMs plus lots of tiny changes; +most important changes are described in details below: +* fonts and glyphs modified according to D.E. Knuth's changes in CMs + (note that the corrections related to glyph shapes, not metric data): + -- leftward arrow (char '040), rightward arrow (char '041), + upward arrow (char '042), downward arrow (char '043), + left-and-right arrow (char '044), northeast arrow (char '045), + southeast arrow (char '046), northwest arrow (char '055), + southwest arrow (char '056), up-and-down arrow (char char '154) + lmsy5 lmbsy5 lmsy6 lmsy7 lmbsy7 lmsy8 lmsy9 lmsy10 lmbsy10 + -- upward arrow (char '013), downward arrow (char '014), + lmcsc10 lmtcsc10 lmtti10 lmtt8 lmtt9 lmtt10 lmtt12 + -- calligraphic F [less swashy], H [extended crossbow], + I [lower right corner], T [foot] + lmsy5 lmbsy5 lmsy6 lmsy7 lmbsy7 lmsy8 lmsy9 lmsy10 lmbsy10 + -- lowercase beta (char '014), delta (char '016), omega (char '041) + lmmi5 lmmib5 lmmi6 lmmi7 lmmib7 lmmi8 lmmi9 lmmi10 lmmi12 lmmib10 + -- sans serif C and G [smaller overshoot] + lmss8 lmss9 lmss10 lmss12 lmss17 lmssbx10 lmssdc10 lmssq8 lmssqbx8 + very many thanks to Barbara Beeton, David M. Jones and Karl Berry +* glyphs `eth', `Eth', `thorn', and `Thorn' reworked (as suggested by + Arni Magnusson); it turned that there is no adequate template for all + fonts, in particular the EC fonts contain apparent bugs; cf. e.g., + `eth' (char 240) in ecdh1000 (counterpart of lmdunh10 -- enormously long + cross) or eclb8 (counterpart of lmssqbx8 -- the cross hidden in the stem); + COMMENT: Arni Magnusson wrote: ``I would love to use lmodern instead of + cm-super''. Alas, this cannot be easily accomplished: the CM-SUPER fonts + are based on the EC fonts, and both collections are not compatible + with the CM (and thus LM) fonts! The reason is that the EC and thus + CM-SUPER fonts have in most cases widths slightly smaller + (with the coefficient ca. 99.975%) than the relevant CM fonts; + exceptions are ecssdc10 and ecsql8, where the width coefficients + are equal 100%, and ecrm1728, where the widths are greater + by 1.5%--2.5% in comparison with cmr17, hence switching + between EC/CM-SUPER and CM/LM is in general bound to produce + different results +* a bug in encodings fixed (sometimes instead of `backslash' other + characters were typeset) +* typos in ligature schemes in `comm_mph.mp' corrected + (`quotedblbase' and `quotedblleft' instead `quotedblright') +* `\pound' in math used to be typeset as dollar -- fixed; in ordinary + text, however, the result may depend on the current encoding + (for T1 is OK) -- thanks to Caity Ross for pointing out the problem +* OTF structure corrected and improved (in particular, the ligature ffi + works now properly) +* `visiblespace' renamed to `uni2423' (suggestion of Werner Lemberg and + Karl Berry) -- hopefully everywhere... +* `Dblgravecomb' renamed to `dblGravecomb' +* `nomero' in MT1 sources renamed to `numero', name `afii61352' no more used +* undertie added (suggestion of Werner Lemberg) + U+203F -- undertie (smile-shaped glyph placed below baseline) + U+2040 -- tie (frown-shaped glyph placed at the top line) + U+2054 -- undertieinverted (frown-shaped glyph placed below baseline) + nota bene, there is no code point in the Unicode table for the inverted tie... +* uppercase Greek completed (duplicates of Latin capitals; suggestion + of Hans Hagen) +* glyphs `acaron', `Acaron', `icaron', `Icaron', `idieresisacute', + `Idieresisacute', `jcaron', `J_caron', `ocaron', `Ocaron', `ucaron', + `Ucaron', `udieresisacute', `Udieresisacute', `udieresiscaron', + `Udieresiscaron', `udieresisgrave', and `Udieresisgrave' added + (proposal of Oliver Corff) -- all the glyphs but `J_caron' have code + points in the Unicode table and names assigned in the Adobe Glyph List + (incidentaly, in J_caron apostrophe is used alike in lcaron and tcaron -- + cf. http://en.wikipedia.org/wiki/J-caron) +* glyps orogate and Orogate (`rogate' in Polish means `with horns') + added -- they are used to denote nasal vowels in ancient Polish texts + (ca. XIV century) +* uni2010 (hyphen duplicate) i uni2011 (non-breakable hyphen duplicate) added + (suggestion of Hans Hagen) +* LaTeX *.sty and *.fd files reworked, options `nomath' (prevents loading + LM math fonts), `lighttt' and `variablett' added; sample usage: + \usepackage{lmodern} + \usepackage[nomath]{lmodern} + \usepackage[variablett]{lmodern} + \usepackage[lighttt,variablett]{lmodern} + very many thanks to Marcin Woli\'nski + +REMARKS: +* we are not going to introduce any extensions that would result + in yet more TFMs files (e.g., for more convenient handling + of oldstyle/normal digits) -- in such cases we suggest using + the OTF fonts versions +* improving hints is a kind of Sisyphean job -- there are no tools + for automatic hinting checking; the only method is to check + optically/manually each and every character with various display + agents, on various screens under various operating systems and various + resolutions. We are not totally opposing Sisyphean jobs in general, + but having had that much time as we had, we decided to spend it on + other improvements... + Ver. 1.106, 22.01.2008: several meaningful fixes and enhancements * at the suggestion of Hans Hagen and Jonathan Kew (very many thanks for the interesting discussions and willing assistance), the `size' @@ -143,7 +234,7 @@ Ver. 1.106, 22.01.2008: several meaningful fixes and enhancements named uniformly -- first `below', then `inverted' * `[Ee].reversed' renamed to `[Ee]reversed' (exist in Adobe Glyph List 2.0), added `eturned' and `schwa', all glyphs assigned proper unicodes - (suggestion of Mojca Miklavec) + (suggestion of Mojca Miklavec) * as an ``at leisure'' exercise, one more glyph, `infinity', was added (programmed on the base of MF sources) * at the request of V\'{\i}t Z\'yka, variants of the `cs' encoding diff --git a/Master/texmf-dist/doc/fonts/lm/lm-info.pdf b/Master/texmf-dist/doc/fonts/lm/lm-info.pdf Binary files differindex 693783110f4..c366284102f 100644 --- a/Master/texmf-dist/doc/fonts/lm/lm-info.pdf +++ b/Master/texmf-dist/doc/fonts/lm/lm-info.pdf diff --git a/Master/texmf-dist/doc/fonts/lm/tstlmot1.pdf b/Master/texmf-dist/doc/fonts/lm/tstlmot1.pdf Binary files differindex 4fdf1b34d41..9b1f7a322f8 100644 --- a/Master/texmf-dist/doc/fonts/lm/tstlmot1.pdf +++ b/Master/texmf-dist/doc/fonts/lm/tstlmot1.pdf diff --git a/Master/texmf-dist/doc/fonts/lm/tstlmot4.pdf b/Master/texmf-dist/doc/fonts/lm/tstlmot4.pdf Binary files differindex 462874b18b0..2bb14796c47 100644 --- a/Master/texmf-dist/doc/fonts/lm/tstlmot4.pdf +++ b/Master/texmf-dist/doc/fonts/lm/tstlmot4.pdf diff --git a/Master/texmf-dist/doc/fonts/lm/tstlmqx.pdf b/Master/texmf-dist/doc/fonts/lm/tstlmqx.pdf Binary files differindex e5a26fedf0e..f466eee07b5 100644 --- a/Master/texmf-dist/doc/fonts/lm/tstlmqx.pdf +++ b/Master/texmf-dist/doc/fonts/lm/tstlmqx.pdf diff --git a/Master/texmf-dist/doc/fonts/lm/tstlmt1.pdf b/Master/texmf-dist/doc/fonts/lm/tstlmt1.pdf Binary files differindex d610916540b..593fd681a87 100644 --- a/Master/texmf-dist/doc/fonts/lm/tstlmt1.pdf +++ b/Master/texmf-dist/doc/fonts/lm/tstlmt1.pdf diff --git a/Master/texmf-dist/doc/fonts/lm/tstlmts1.pdf b/Master/texmf-dist/doc/fonts/lm/tstlmts1.pdf Binary files differindex 90904397a81..e6e15c04ddb 100644 --- a/Master/texmf-dist/doc/fonts/lm/tstlmts1.pdf +++ b/Master/texmf-dist/doc/fonts/lm/tstlmts1.pdf |