diff options
-rw-r--r-- | luaotfload-auxiliary.lua | 406 | ||||
-rw-r--r-- | luaotfload.dtx | 10 | ||||
-rwxr-xr-x | mkglyphlist | 6 | ||||
-rw-r--r-- | tests/font_patch.tex | 6 | ||||
-rw-r--r-- | tests/pln-aux-1.tex | 49 | ||||
-rw-r--r-- | tests/pln-aux-2.tex | 102 | ||||
-rw-r--r-- | tests/pln-aux-3.tex | 39 | ||||
-rw-r--r-- | tests/pln-aux-4.tex | 41 |
8 files changed, 656 insertions, 3 deletions
diff --git a/luaotfload-auxiliary.lua b/luaotfload-auxiliary.lua new file mode 100644 index 0000000..2cf1e00 --- /dev/null +++ b/luaotfload-auxiliary.lua @@ -0,0 +1,406 @@ +#!/usr/bin/env texlua +----------------------------------------------------------------------- +-- FILE: luaotfload-auxiliary.lua +-- DESCRIPTION: part of luaotfload +-- REQUIREMENTS: luaotfload 2.2 +-- AUTHOR: Khaled Hosny, Élie Roux, Philipp Gesang +-- VERSION: 1.0 +-- CREATED: 2013-05-01 14:40:50+0200 +----------------------------------------------------------------------- +-- + +--- this file addresses issue #24 +--- https://github.com/lualatex/luaotfload/issues/24# + +luaotfload = luaotfload or {} +luaotfload.aux = luaotfload.aux or { } + +config = config or { } +config.luaotfload = config.luaotfload or { } + +local aux = luaotfload.aux +local log = luaotfload.log +local identifiers = fonts.hashes.identifiers + +local fontid = font.id +local texsprint = tex.sprint + +local utf8 = unicode.utf8 +local stringlower = string.lower +local stringformat = string.format +local stringgsub = string.gsub +local stringbyte = string.byte + +----------------------------------------------------------------------- +--- font patches +----------------------------------------------------------------------- + +--[[doc-- +This sets two dimensions apparently relied upon by the unicode-math +package. +--doc]]-- + +local set_sscale_dimens = function (fontdata) + local mathconstants = fontdata.MathConstants + local parameters = fontdata.parameters + if mathconstants then + parameters[10] = mathconstants.ScriptPercentScaleDown or 70 + parameters[11] = mathconstants.ScriptScriptPercentScaleDown or 50 + end + return fontdata +end + +luatexbase.add_to_callback( + "luaotfload.patch_font", + set_sscale_dimens, + "luaotfload.aux.set_sscale_dimens") + +--- fontobj -> int +local lookup_units = function (fontdata) + local metadata = fontdata.shared and fontdata.shared.rawdata.metadata + if metadata and metadata.units_per_em then + return metadata.units_per_em + elseif fontdata.parameters and fontdata.parameters.units then + return fontdata.parameters.units + elseif fontdata.units then --- v1.x + return fontdata.units + end + return 1000 +end + +--[[doc-- +This callback corrects some values of the Cambria font. +--doc]]-- +local patch_cambria_domh = function (fontdata) + local mathconstants = fontdata.MathConstants + if mathconstants and fontdata.psname == "CambriaMath" then + --- my test Cambria has 2048 + local units_per_em = fontdata.units_per_em or lookup_units(fontdata) + local sz = fontdata.parameters.size or fontdata.size + local mh = 2800 / units_per_em * sz + if mathconstants.DisplayOperatorMinHeight < mh then + mathconstants.DisplayOperatorMinHeight = mh + end + end +end + +luatexbase.add_to_callback( + "luaotfload.patch_font", + patch_cambria_domh, + "luaotfload.aux.patch_cambria_domh") + +--[[doc-- + +Comment from fontspec: + + “Here we patch fonts tfm table to emulate \XeTeX's \cs{fontdimen8}, + which stores the caps-height of the font. (Cf.\ \cs{fontdimen5} which + stores the x-height.) + + Falls back to measuring the glyph if the font doesn't contain the + necessary information. + This needs to be extended for fonts that don't contain an `X'.” + +--doc]]-- + +local set_capheight = function (fontdata) + local shared = fontdata.shared + local parameters = fontdata.parameters + local capheight + if shared then + local units_per_em = parameters.units + local size = parameters.size + local os2_capheight = shared.rawdata.metadata.pfminfo.os2_capheight + + if os2_capheight > 0 then + capheight = os2_capheight / units_per_em * size + else + local X8 = stringbyte"X" + if fontdata.characters[X8] then + capheight = fontdata.characters[X8].height + else + capheight = parameters.ascender / units_per_em * size + end + end + else + local X8 = stringbyte"X" + if fontdata.characters[X8] then + capheight = fontdata.characters[X8].height + end + end + if capheight then + --- is this legit? afaics there’s nothing else on the + --- array part of that table + fontdata.parameters[8] = capheight + end +end + +luatexbase.add_to_callback( + "luaotfload.patch_font", + set_capheight, + "luaotfload.aux.set_capheight") + +----------------------------------------------------------------------- +--- glyphs +----------------------------------------------------------------------- + +--- int -> int -> bool +local font_has_glyph = function (font_id, codepoint) + local fontdata = fonts.hashes.identifiers[font_id] + if fontdata then + if fontdata.characters[codepoint] ~= nil then return true end + end + return false +end + +aux.font_has_glyph = font_has_glyph + +--- int -> bool +local current_font_has_glyph = function (codepoint) + return font_has_glyph (font.current(), codepoint) +end + +aux.current_font_has_glyph = current_font_has_glyph + +local do_if_glyph_else = function (chr, positive, negative) + local codepoint = tonumber(chr) + if not codepoint then codepoint = utf8.byte(chr) end + if current_font_has_glyph(codepoint) then + tex.sprint(positive) + else + tex.sprint(negative) + end +end + +aux.do_if_glyph_else = do_if_glyph_else + +--[[doc-- + + This one is approximately “name_to_slot” from the microtype package; + note that it is all about Adobe Glyph names and glyph slots in the + font. The names and values may diverge from actual Unicode. + + http://www.adobe.com/devnet/opentype/archives/glyph.html + +--doc]]-- + +--- string -> (int | false) +local slot_of_name = function (glyphname) + local fontdata = identifiers[font.current()] + if fontdata then + local unicode = fontdata.resources.unicodes[glyphname] + if unicode and type(unicode) == "number" then + return unicode + else + return unicode[1] --- for multiple components + end + end + return false +end + +aux.slot_of_name = slot_of_name + +--[[doc-- + + Inverse of above; not authoritative as to my knowledge the official + inverse of the AGL is the AGLFN. Maybe this whole issue should be + dealt with in a separate package that loads char-def.lua and thereby + solves the problem for the next couple decades. + + http://partners.adobe.com/public/developer/en/opentype/aglfn13.txt + +--doc]]-- + +local indices + +--- int -> (string | false) +local name_of_slot = function (codepoint) + if not indices then --- this will load the glyph list + local unicodes = fonts.encodings.agl.unicodes + indices = table.swapped(unicodes) + end + local glyphname = indices[codepoint] + if glyphname then + return glyphname + end + return false +end + +aux.name_of_slot = name_of_slot + +----------------------------------------------------------------------- +--- features / scripts / languages +----------------------------------------------------------------------- +--- lots of arrowcode ahead + +--[[doc-- +This function, modeled after “check_script()” from fontspec, returns +true if in the given font, the script “asked_script” is accounted for in at +least one feature. +--doc]]-- + +--- int -> string -> bool +local provides_script = function (font_id, asked_script) + asked_script = stringlower(asked_script) + if font_id and font_id > 0 then + local fontdata = identifiers[font_id].shared.rawdata + if fontdata then + local fontname = fontdata.metadata.fontname + local features = fontdata.resources.features + for method, featuredata in next, features do + --- where method: "gpos" | "gsub" + for feature, data in next, featuredata do + if data[asked_script] then + log(stringformat( + "font no %d (%s) defines feature %s for script %s", + font_id, fontname, feature, asked_script)) + return true + end + end + end + log(stringformat( + "font no %d (%s) defines no feature for script %s", + font_id, fontname, asked_script)) + end + end + log(stringformat("no font with id %d", font_id)) + return false +end + +aux.provides_script = provides_script + +--[[doc-- +This function, modeled after “check_language()” from fontspec, returns +true if in the given font, the language with tage “asked_language” is +accounted for in the script with tag “asked_script” in at least one +feature. +--doc]]-- + +--- int -> string -> string -> bool +local provides_language = function (font_id, asked_script, asked_language) + asked_script = stringlower(asked_script) + asked_language = stringlower(asked_language) + if font_id and font_id > 0 then + local fontdata = identifiers[font_id].shared.rawdata + if fontdata then + local fontname = fontdata.metadata.fontname + local features = fontdata.resources.features + for method, featuredata in next, features do + --- where method: "gpos" | "gsub" + for feature, data in next, featuredata do + local scriptdata = data[asked_script] + if scriptdata and scriptdata[asked_language] then + log(stringformat("font no %d (%s) defines feature %s " + .. "for script %s with language %s", + font_id, fontname, feature, + asked_script, asked_language)) + return true + end + end + end + log(stringformat( + "font no %d (%s) defines no feature for script %s with language %s", + font_id, fontname, asked_script, asked_language)) + end + end + log(stringformat("no font with id %d", font_id)) + return false +end + +aux.provides_language = provides_language + +--[[doc-- +We strip the syntax elements from feature definitions (shouldn’t +actually be there in the first place, but who cares ...) +--doc]]-- + +local lpeg = require"lpeg" +local C, P, S = lpeg.C, lpeg.P, lpeg.S +local lpegmatch = lpeg.match + +local sign = S"+-" +local rhs = P"=" * P(1)^0 * P(-1) +local strip_garbage = sign^-1 * C((1 - rhs)^1) + +--s = "+foo" --> foo +--ss = "-bar" --> bar +--sss = "baz" --> baz +--t = "foo=bar" --> foo +--tt = "+bar=baz" --> bar +--ttt = "-baz=true" --> baz +-- +--print(lpeg.match(strip_garbage, s)) +--print(lpeg.match(strip_garbage, ss)) +--print(lpeg.match(strip_garbage, sss)) +--print(lpeg.match(strip_garbage, t)) +--print(lpeg.match(strip_garbage, tt)) +--print(lpeg.match(strip_garbage, ttt)) + +--[[doc-- +This function, modeled after “check_feature()” from fontspec, returns +true if in the given font, the language with tag “asked_language” is +accounted for in the script with tag “asked_script” in feature +“asked_feature”. +--doc]]-- + +--- int -> string -> string -> string -> bool +local provides_feature = function (font_id, asked_script, + asked_language, asked_feature) + asked_script = stringlower(asked_script) + asked_language = stringlower(asked_language) + asked_feature = lpegmatch(strip_garbage, asked_feature) + + if font_id and font_id > 0 then + local fontdata = identifiers[font_id].shared.rawdata + if fontdata then + local features = fontdata.resources.features + local fontname = fontdata.metadata.fontname + for method, featuredata in next, features do + --- where method: "gpos" | "gsub" + local feature = featuredata[asked_feature] + if feature then + local scriptdata = feature[asked_script] + if scriptdata and scriptdata[asked_language] then + log(stringformat("font no %d (%s) defines feature %s " + .. "for script %s with language %s", + font_id, fontname, asked_feature, + asked_script, asked_language)) + return true + end + end + end + log(stringformat( + "font no %d (%s) does not define feature %s for script %s with language %s", + font_id, fontname, asked_feature, asked_script, asked_language)) + end + end + log(stringformat("no font with id %d", font_id)) + return false +end + +aux.provides_feature = provides_feature + +----------------------------------------------------------------------- +--- font dimensions +----------------------------------------------------------------------- + +--- string -> string -> int +local get_math_dimension = function (csname, dimenname) + local fontdata = identifiers[fontid(csname)] + local mathdata = fontdata.mathparameters + if mathdata then return mathdata[dimenname] or 0 end + return 0 +end + +aux.get_math_dimension = get_math_dimension + +--- string -> string -> unit +local sprint_math_dimension = function (csname, dimenname) + local dim = get_math_dimension(csname, dimenname) + texsprint(luatexbase.catcodetables["latex-package"], dim) + texsprint(luatexbase.catcodetables["latex-package"], "sp") +end + +aux.sprint_math_dimension = sprint_math_dimension + +-- vim:tw=71:sw=2:ts=2:expandtab diff --git a/luaotfload.dtx b/luaotfload.dtx index dd43990..fd71485 100644 --- a/luaotfload.dtx +++ b/luaotfload.dtx @@ -1226,6 +1226,11 @@ luaotfload.font_definer = "patch" --- | “generic” | “old” local error, warning, info, log = luatexbase.provides_module(luaotfload.module) +luaotfload.error = error +luaotfload.warning = warning +luaotfload.info = info +luaotfload.log = log + % \end{macrocode} % We set the minimum version requirement for \LUATEX to v0.76, % because the font loader requires recent features like direct @@ -1542,7 +1547,6 @@ loadmodule"colors.lua" --- “font-clr” % genuine \verb|name:| and \verb|file:| lookups of \LUATEX-Fonts. % Another benefit is that we can now easily plug in or replace new lookup % behaviors if necessary. -% % The name resolver remains untouched, but it calls % \luafunction{fonts.names.resolve()} internally anyways (see % \fileent{luaotfload-database.lua}). @@ -1683,10 +1687,12 @@ elseif font_definer == "patch" then 1) end -loadmodule"features.lua" --- contains what was “font-ltx” and “font-otc” +loadmodule"features.lua" --- contains what was “font-ltx” and “font-otc” +loadmodule"auxiliary.lua" --- additionaly high-level functionality (new) -- vim:tw=71:sw=4:ts=4:expandtab + % \end{macrocode} % % \iffalse diff --git a/mkglyphlist b/mkglyphlist index 9ee1528..d73a608 100755 --- a/mkglyphlist +++ b/mkglyphlist @@ -8,6 +8,12 @@ -- VERSION: 1.0 -- CREATED: 04/23/2013 12:42:17 PM CEST ----------------------------------------------------------------------- +-- interesting thread on the Context list: +-- http://www.ntg.nl/pipermail/ntg-context/2008/029057.html +----------------------------------------------------------------------- + + +----------------------------------------------------------------------- -- config ----------------------------------------------------------------------- local glyphfile = "./glyphlist.txt" diff --git a/tests/font_patch.tex b/tests/font_patch.tex index d41ff48..d3bba07 100644 --- a/tests/font_patch.tex +++ b/tests/font_patch.tex @@ -8,7 +8,11 @@ mc.DisplayOperatorMinHeight = 2800 / em * sz end end - luatexbase.add_to_callback("luaotfload.patch_font", patch, "cambria.domh") + %% part of luaotfload-auxiliary + %luatexbase.add_to_callback( + %"luaotfload.patch_font", + %patch, + %"luaotfload.aux.patch_cambria_domh") } \font\4={name:Cambria Math:mode=base;script=math} at 10pt diff --git a/tests/pln-aux-1.tex b/tests/pln-aux-1.tex new file mode 100644 index 0000000..a504850 --- /dev/null +++ b/tests/pln-aux-1.tex @@ -0,0 +1,49 @@ +\input luaotfload.sty + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% usage for glyph tests +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\baselineskip=17.28pt + +\font\iwonaregular=name:iwona at 14.4pt +\font\lmromanten=file:lmroman10-regular.otf at 14.4pt +\font\cmuregular=file:cmunrm.otf at 14.4pt + +%% wrap tests in macros (could move to style file) +\def\doifglyphelse#1#2#3{% + \directlua{ + luaotfload.aux.do_if_glyph_else([[#1]], [[#2]], [[#3]]) + }% +} + +\def\doifglyph#1#2{\doifglyphelse{#1}{#2}{}} + +%% no otf font loaded yet, so both fail: +first: +\doifglyphelse{a}{true}{false} +\doifglyph {a}{yep} + +%% load lm and try repeat: +\lmromanten +second: +\doifglyphelse{a}{true}{false} +\doifglyph {a}{yep} + +%% let’s test some more free fonts +\def\checkglyphset{% + \doifglyphelse ö{ö}{nope} + \doifglyphelse п{п}{nope} + \doifglyphelse α{α}{nope} + \doifglyphelse Æ{Æ}{nope} + \doifglyphelse ą{ą}{nope} + \doifglyphelse ř{ř}{nope} + \doifglyphelse ˝{˝}{nope} + \doifglyphelse ѩ{ѩ}{nope} + \endgraf +} + +\iwonaregular \checkglyphset +\lmromanten \checkglyphset +\cmuregular \checkglyphset + +\bye diff --git a/tests/pln-aux-2.tex b/tests/pln-aux-2.tex new file mode 100644 index 0000000..62192a5 --- /dev/null +++ b/tests/pln-aux-2.tex @@ -0,0 +1,102 @@ +\input luaotfload.sty +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% script, features, and language +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\font\minionregular=file:MinionPro_Regular.otf at 9pt +\font\biolinum=file:LinBiolinum_R.otf at 9pt +\font\cmuregular=file:cmunrm.otf at 9pt + +%% (1) luaotfload.aux.provides_script(font_id, script) +%% #1 defined font; #2 OT script tag +\def\providesscript[#1][#2]{% + \bgroup#1% + let’s see whether \detokenize{#1} has script #2: + \directlua{ + local aux = luaotfload.aux + local succ = aux.provides_script(font.current(), [[#2]]) + if succ then tex.sprint"true" else tex.sprint"false" end + }% + \egroup + \endgraf% +} + +\providesscript [\minionregular][latn]%% Latin +\providesscript [\biolinum][latn] +\providesscript [\cmuregular][latn] +\providesscript [\minionregular][cyrl]%% Cyrillic +\providesscript [\biolinum][cyrl] +\providesscript [\cmuregular][cyrl] +\providesscript [\minionregular][tibt]%% Tibetan +\providesscript [\biolinum][tibt] +\providesscript [\cmuregular][tibt] + +\hrule % -------------------------------------------------------------- + +%% (2) luaotfload.aux.provides_language(font_id, script, language) +%% #1 defined font; #2 OT script tag; #3 OT language tag +\def\provideslanguage[#1][#2][#3]{% + \bgroup#1% + let’s see whether \detokenize{#1} supports language #3 for script #2: + \directlua{ + local aux = luaotfload.aux + local succ = aux.provides_language(font.current(), [[#2]], [[#3]]) + if succ then tex.sprint"true" else tex.sprint"false" end + }% + \egroup + \endgraf% +} + +\provideslanguage [\minionregular][latn][nld]%% Latin/Dutch +\provideslanguage [\biolinum][latn][nld] +\provideslanguage [\cmuregular][latn][nld] +\provideslanguage [\minionregular][latn][deu]%% Latin/German +\provideslanguage [\biolinum][latn][deu] +\provideslanguage [\cmuregular][latn][deu] +\provideslanguage [\minionregular][cyrl][rus]%% Cyrillic/Russian +\provideslanguage [\biolinum][cyrl][rus] +\provideslanguage [\cmuregular][cyrl][rus] +\provideslanguage [\minionregular][cyrl][klm]%% Cyrillic/Kalmyk +\provideslanguage [\biolinum][cyrl][klm] +\provideslanguage [\cmuregular][cyrl][klm] +\provideslanguage [\minionregular][cyrl][srb]%% Cyrillic/Serbian +\provideslanguage [\biolinum][cyrl][srb] +\provideslanguage [\cmuregular][cyrl][srb] +\provideslanguage [\minionregular][tibt][tib]%% Tibetan +\provideslanguage [\biolinum][tibt][tib] +\provideslanguage [\cmuregular][tibt][tib] + +\hrule % -------------------------------------------------------------- + +%% (3) luaotfload.aux.provides_feature( +%% font_id, script, language, feature) +%% #1 defined font; #2 OT script tag; +%% #3 OT language tag; #4 OT feature +\def\providesfeature[#1][#2][#3][#4]{%this is getting ridiculous + \bgroup#1% + let’s see whether \detokenize{#1} supports feature #4 for the + combination of script #2 with language #3: + \directlua{ + local aux = luaotfload.aux + local succ = aux.provides_feature( + font.current(), [[#2]], [[#3]], [[#4]]) + if succ then tex.sprint"true" else tex.sprint"false" end + }% + \egroup + \endgraf% +} + +\providesfeature [\minionregular][latn][nld][liga]%% Latin/Dutch +\providesfeature [\biolinum][latn][nld][liga] +\providesfeature [\cmuregular][latn][nld][liga] +\providesfeature [\minionregular][latn][deu][liga]%% Latin/German +\providesfeature [\biolinum][latn][deu][liga] +\providesfeature [\cmuregular][latn][deu][liga] +\providesfeature [\minionregular][cyrl][srb][liga]%% Cyrillic/Serbian +\providesfeature [\biolinum][cyrl][srb][liga] +\providesfeature [\cmuregular][cyrl][srb][liga] +\providesfeature [\minionregular][tibt][tib][liga]%% Tibetan +\providesfeature [\biolinum][tibt][tib][liga] +\providesfeature [\cmuregular][tibt][tib][liga] + +\bye diff --git a/tests/pln-aux-3.tex b/tests/pln-aux-3.tex new file mode 100644 index 0000000..12a80cf --- /dev/null +++ b/tests/pln-aux-3.tex @@ -0,0 +1,39 @@ +\input luaotfload.sty + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% math dimension getter +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\font\xitsmath=file:xits-math.otf +\font\cambriamath=file:cambria.ttc(1) + +\font\main=file:Iwona-Regular.otf at 12pt\main + +\directlua{ + local aux = luaotfload.aux + local test_a = function (fontname, dimension) + tex.sprint( + "(", fontname, " (", dimension, " ", + aux.get_math_dimension(fontname, dimension), + [[))\endgraf ]]) + end + + local test_b = function (fontname, dimension) + aux.sprint_math_dimension(fontname, dimension) + tex.print[[\endgraf ]] + end + + test_a("xitsmath", "AxisHeight") + test_a("xitsmath", "RadicalVerticalGap") + test_a("cambriamath", "StackTopShiftUp") + test_a("cambriamath", "FractionNumeratorGapMin") + + test_b("xitsmath", "AxisHeight") + test_b("xitsmath", "RadicalVerticalGap") + test_b("cambriamath", "StackTopShiftUp") + test_b("cambriamath", "FractionNumeratorGapMin") +} + +foo bar baz + +\bye diff --git a/tests/pln-aux-4.tex b/tests/pln-aux-4.tex new file mode 100644 index 0000000..80ffc0b --- /dev/null +++ b/tests/pln-aux-4.tex @@ -0,0 +1,41 @@ +\input luaotfload.sty + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% unicode character mappings +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\font\ptserifregular = file:PTF55F.ttf \ptserifregular + +%% here we map the function luaotfload.aux.name_of_slot +%% on a short text, printing a list of letters, their +%% code points and names (as specified in the Adobe +%% Glyph List). + +\directlua{ + local aux = luaotfload.aux + local cbk = function (str) + if string.match(str, "^EOF") then + luatexbase.remove_from_callback("process_input_buffer", "weird") + return [[the end!]] + end + local res = { } + for chr in string.utfcharacters(str) do + local val = unicode.utf8.byte(chr) + local line = chr .. " <> " .. tostring(val) + line = line .. " <> " .. (aux.name_of_slot(val) or "") + res[\string#res+1] = line + end + return table.concat(res, [[\endgraf]]) + end + + luatexbase.add_to_callback("process_input_buffer", cbk, "weird") +} + +Я узнал что у меня +Есть огромная семья +И тропинка и лесок +В поле каждый колосок + +EOF + +\bye |