diff options
Diffstat (limited to 'otfl-font-def.lua')
| -rw-r--r-- | otfl-font-def.lua | 467 |
1 files changed, 191 insertions, 276 deletions
diff --git a/otfl-font-def.lua b/otfl-font-def.lua index 8e64872..d56520b 100644 --- a/otfl-font-def.lua +++ b/otfl-font-def.lua @@ -6,49 +6,56 @@ if not modules then modules = { } end modules ['font-def'] = { license = "see context related readme files" } -local format, concat, gmatch, match, find, lower = string.format, table.concat, string.gmatch, string.match, string.find, string.lower +local concat = table.concat +local format, gmatch, match, find, lower, gsub = string.format, string.gmatch, string.match, string.find, string.lower, string.gsub local tostring, next = tostring, next local lpegmatch = lpeg.match +local allocate = utilities.storage.allocate + local trace_defining = false trackers .register("fonts.defining", function(v) trace_defining = v end) local directive_embedall = false directives.register("fonts.embedall", function(v) directive_embedall = v end) trackers.register("fonts.loading", "fonts.defining", "otf.loading", "afm.loading", "tfm.loading") trackers.register("fonts.all", "fonts.*", "otf.*", "afm.*", "tfm.*") +local report_defining = logs.reporter("fonts","defining") + --[[ldx-- <p>Here we deal with defining fonts. We do so by intercepting the default loader that only handles <l n='tfm'/>.</p> --ldx]]-- -fonts = fonts or { } -fonts.define = fonts.define or { } -fonts.tfm = fonts.tfm or { } -fonts.ids = fonts.ids or { } -fonts.vf = fonts.vf or { } -fonts.used = fonts.used or { } +local fonts = fonts +local tfm = fonts.tfm +local vf = fonts.vf + +fonts.used = allocate() + +tfm.readers = tfm.readers or { } +tfm.fonts = allocate() -local tfm = fonts.tfm -local vf = fonts.vf -local define = fonts.define +local readers = tfm.readers +local sequence = allocate { 'otf', 'ttf', 'afm', 'tfm', 'lua' } +readers.sequence = sequence -tfm.version = 1.01 -tfm.cache = containers.define("fonts", "tfm", tfm.version, false) -- better in font-tfm +tfm.version = 1.01 +tfm.cache = containers.define("fonts", "tfm", tfm.version, false) -- better in font-tfm +tfm.autoprefixedafm = true -- this will become false some day (catches texnansi-blabla.*) -define.method = "afm or tfm" -- afm, tfm, afm or tfm, tfm or afm -define.specify = fonts.define.specify or { } -define.methods = fonts.define.methods or { } +fonts.definers = fonts.definers or { } +local definers = fonts.definers -tfm.fonts = tfm.fonts or { } -tfm.readers = tfm.readers or { } -tfm.internalized = tfm.internalized or { } -- internal tex numbers +definers.specifiers = definers.specifiers or { } +local specifiers = definers.specifiers -tfm.readers.sequence = { 'otf', 'ttf', 'afm', 'tfm' } +specifiers.variants = allocate() +local variants = specifiers.variants -tfm.auto_afm = true +definers.method = "afm or tfm" -- afm, tfm, afm or tfm, tfm or afm +definers.methods = definers.methods or { } -local readers = tfm.readers -local sequence = readers.sequence +local findbinfile = resolvers.findbinfile --[[ldx-- <p>We hardly gain anything when we cache the final (pre scaled) @@ -77,7 +84,7 @@ and prepares a table that will move along as we proceed.</p> -- name name(sub) name(sub)*spec name*spec -- name@spec*oeps -local splitter, specifiers = nil, "" +local splitter, splitspecifiers = nil, "" local P, C, S, Cc = lpeg.P, lpeg.C, lpeg.S, lpeg.Cc @@ -86,13 +93,13 @@ local right = P(")") local colon = P(":") local space = P(" ") -define.defaultlookup = "file" +definers.defaultlookup = "file" local prefixpattern = P(false) -function define.add_specifier(symbol) - specifiers = specifiers .. symbol - local method = S(specifiers) +local function addspecifier(symbol) + splitspecifiers = splitspecifiers .. symbol + local method = S(splitspecifiers) local lookup = C(prefixpattern) * colon local sub = left * C(P(1-left-right-method)^1) * right local specification = C(method) * C(P(1)^1) @@ -100,36 +107,39 @@ function define.add_specifier(symbol) splitter = P((lookup + Cc("")) * name * (sub + Cc("")) * (specification + Cc(""))) end -function define.add_lookup(str,default) +local function addlookup(str,default) prefixpattern = prefixpattern + P(str) end -define.add_lookup("file") -define.add_lookup("name") -define.add_lookup("spec") +definers.addlookup = addlookup -function define.get_specification(str) +addlookup("file") +addlookup("name") +addlookup("spec") + +local function getspecification(str) return lpegmatch(splitter,str) end -function define.register_split(symbol,action) - define.add_specifier(symbol) - define.specify[symbol] = action +definers.getspecification = getspecification + +function definers.registersplit(symbol,action,verbosename) + addspecifier(symbol) + variants[symbol] = action + if verbosename then + variants[verbosename] = action + end end -function define.makespecification(specification, lookup, name, sub, method, detail, size) +function definers.makespecification(specification, lookup, name, sub, method, detail, size) size = size or 655360 if trace_defining then - logs.report("define font","%s -> lookup: %s, name: %s, sub: %s, method: %s, detail: %s", + report_defining("%s -> lookup: %s, name: %s, sub: %s, method: %s, detail: %s", specification, (lookup ~= "" and lookup) or "[file]", (name ~= "" and name) or "-", (sub ~= "" and sub) or "-", (method ~= "" and method) or "-", (detail ~= "" and detail) or "-") end ---~ if specification.lookup then ---~ lookup = specification.lookup -- can come from xetex [] syntax ---~ specification.lookup = nil ---~ end if not lookup or lookup == "" then - lookup = define.defaultlookup + lookup = definers.defaultlookup end local t = { lookup = lookup, -- forced type @@ -146,10 +156,10 @@ function define.makespecification(specification, lookup, name, sub, method, deta return t end -function define.analyze(specification, size) +function definers.analyze(specification, size) -- can be optimized with locals - local lookup, name, sub, method, detail = define.get_specification(specification or "") - return define.makespecification(specification, lookup, name, sub, method, detail, size) + local lookup, name, sub, method, detail = getspecification(specification or "") + return definers.makespecification(specification, lookup, name, sub, method, detail, size) end --[[ldx-- @@ -158,17 +168,18 @@ end local sortedhashkeys = table.sortedhashkeys -function tfm.hash_features(specification) +function tfm.hashfeatures(specification) local features = specification.features if features then - local t = { } + local t, tn = { }, 0 local normal = features.normal if normal and next(normal) then local f = sortedhashkeys(normal) for i=1,#f do local v = f[i] if v ~= "number" and v ~= "features" then -- i need to figure this out, features - t[#t+1] = v .. '=' .. tostring(normal[v]) + tn = tn + 1 + t[tn] = v .. '=' .. tostring(normal[v]) end end end @@ -177,20 +188,22 @@ function tfm.hash_features(specification) local f = sortedhashkeys(vtf) for i=1,#f do local v = f[i] - t[#t+1] = v .. '=' .. tostring(vtf[v]) + tn = tn + 1 + t[tn] = v .. '=' .. tostring(vtf[v]) end end ---~ if specification.mathsize then ---~ t[#t+1] = "mathsize=" .. specification.mathsize ---~ end - if #t > 0 then + -- if specification.mathsize then + -- tn = tn + 1 + -- t[tn] = "mathsize=" .. specification.mathsize + -- end + if tn > 0 then return concat(t,"+") end end return "unknown" end -fonts.designsizes = { } +fonts.designsizes = allocate() --[[ldx-- <p>In principle we can share tfm tables when we are in node for a font, but then @@ -200,42 +213,43 @@ when we get rid of base mode we can optimize even further by sharing, but then w loose our testcases for <l n='luatex'/>.</p> --ldx]]-- -function tfm.hash_instance(specification,force) +function tfm.hashinstance(specification,force) local hash, size, fallbacks = specification.hash, specification.size, specification.fallbacks if force or not hash then - hash = tfm.hash_features(specification) + hash = tfm.hashfeatures(specification) specification.hash = hash end if size < 1000 and fonts.designsizes[hash] then - size = math.round(tfm.scaled(size, fonts.designsizes[hash])) + size = math.round(tfm.scaled(size,fonts.designsizes[hash])) specification.size = size end ---~ local mathsize = specification.mathsize or 0 ---~ if mathsize > 0 then ---~ local textsize = specification.textsize ---~ if fallbacks then ---~ return hash .. ' @ ' .. tostring(size) .. ' [ ' .. tostring(mathsize) .. ' : ' .. tostring(textsize) .. ' ] @ ' .. fallbacks ---~ else ---~ return hash .. ' @ ' .. tostring(size) .. ' [ ' .. tostring(mathsize) .. ' : ' .. tostring(textsize) .. ' ]' ---~ end ---~ else + -- local mathsize = specification.mathsize or 0 + -- if mathsize > 0 then + -- local textsize = specification.textsize + -- if fallbacks then + -- return hash .. ' @ ' .. tostring(size) .. ' [ ' .. tostring(mathsize) .. ' : ' .. tostring(textsize) .. ' ] @ ' .. fallbacks + -- else + -- return hash .. ' @ ' .. tostring(size) .. ' [ ' .. tostring(mathsize) .. ' : ' .. tostring(textsize) .. ' ]' + -- end + -- else if fallbacks then return hash .. ' @ ' .. tostring(size) .. ' @ ' .. fallbacks else return hash .. ' @ ' .. tostring(size) end ---~ end + -- end end --[[ldx-- <p>We can resolve the filename using the next function:</p> --ldx]]-- -define.resolvers = resolvers +definers.resolvers = definers.resolvers or { } +local resolvers = definers.resolvers -- todo: reporter -function define.resolvers.file(specification) +function resolvers.file(specification) local suffix = file.suffix(specification.name) if fonts.formats[suffix] then specification.forced = suffix @@ -243,7 +257,7 @@ function define.resolvers.file(specification) end end -function define.resolvers.name(specification) +function resolvers.name(specification) local resolve = fonts.names.resolve if resolve then local resolved, sub = fonts.names.resolve(specification) @@ -258,11 +272,11 @@ function define.resolvers.name(specification) end end else - define.resolvers.file(specification) + resolvers.file(specification) end end -function define.resolvers.spec(specification) +function resolvers.spec(specification) local resolvespec = fonts.names.resolvespec if resolvespec then specification.resolved, specification.sub = fonts.names.resolvespec(specification) @@ -271,13 +285,13 @@ function define.resolvers.spec(specification) specification.name = file.removesuffix(specification.resolved) end else - define.resolvers.name(specification) + resolvers.name(specification) end end -function define.resolve(specification) +function definers.resolve(specification) if not specification.resolved or specification.resolved == "" then -- resolved itself not per se in mapping hash - local r = define.resolvers[specification.lookup] + local r = resolvers[specification.lookup] if r then r(specification) end @@ -287,7 +301,16 @@ function define.resolve(specification) else specification.forced = specification.forced end - specification.hash = lower(specification.name .. ' @ ' .. tfm.hash_features(specification)) + -- for the moment here (goodies set outside features) + local goodies = specification.goodies + if goodies and goodies ~= "" then + local normalgoodies = specification.features.normal.goodies + if not normalgoodies or normalgoodies == "" then + specification.features.normal.goodies = goodies + end + end + -- + specification.hash = lower(specification.name .. ' @ ' .. tfm.hashfeatures(specification)) if specification.sub and specification.sub ~= "" then specification.hash = specification.sub .. ' @ ' .. specification.hash end @@ -311,21 +334,22 @@ specification yet.</p> --ldx]]-- function tfm.read(specification) - local hash = tfm.hash_instance(specification) + local hash = tfm.hashinstance(specification) local tfmtable = tfm.fonts[hash] -- hashes by size ! if not tfmtable then local forced = specification.forced or "" if forced ~= "" then - tfmtable = readers[lower(forced)](specification) + local reader = readers[lower(forced)] + tfmtable = reader and reader(specification) if not tfmtable then - logs.report("define font","forced type %s of %s not found",forced,specification.name) + report_defining("forced type %s of %s not found",forced,specification.name) end else for s=1,#sequence do -- reader sequence local reader = sequence[s] if readers[reader] then -- not really needed if trace_defining then - logs.report("define font","trying (reader sequence driven) type %s for %s with file %s",reader,specification.name,specification.filename or "unknown") + report_defining("trying (reader sequence driven) type %s for %s with file %s",reader,specification.name,specification.filename or "unknown") end tfmtable = readers[reader](specification) if tfmtable then @@ -344,13 +368,26 @@ function tfm.read(specification) else tfmtable.embedding = "subset" end + -- fonts.goodies.postprocessors.apply(tfmdata) -- only here + local postprocessors = tfmtable.postprocessors + if postprocessors then + for i=1,#postprocessors do + local extrahash = postprocessors[i](tfmtable) -- after scaling etc + if type(extrahash) == "string" and extrahash ~= "" then + -- e.g. a reencoding needs this + extrahash = gsub(lower(extrahash),"[^a-z]","-") + tfmtable.fullname = format("%s-%s",tfmtable.fullname,extrahash) + end + end + end + -- tfm.fonts[hash] = tfmtable fonts.designsizes[specification.hash] = tfmtable.designsize -- we only know this for sure after loading once --~ tfmtable.mode = specification.features.normal.mode or "base" end end if not tfmtable then - logs.report("define font","font with name %s is not found",specification.name) + report_defining("font with asked name '%s' is not found using lookup '%s'",specification.name,specification.lookup) end return tfmtable end @@ -359,158 +396,35 @@ end <p>For virtual fonts we need a slightly different approach:</p> --ldx]]-- -function tfm.read_and_define(name,size) -- no id - local specification = define.analyze(name,size) +function tfm.readanddefine(name,size) -- no id + local specification = definers.analyze(name,size) local method = specification.method - if method and define.specify[method] then - specification = define.specify[method](specification) + if method and variants[method] then + specification = variants[method](specification) end - specification = define.resolve(specification) - local hash = tfm.hash_instance(specification) - local id = define.registered(hash) + specification = definers.resolve(specification) + local hash = tfm.hashinstance(specification) + local id = definers.registered(hash) if not id then - local fontdata = tfm.read(specification) - if fontdata then - fontdata.hash = hash - id = font.define(fontdata) - define.register(fontdata,id) - tfm.cleanup_table(fontdata) + local tfmdata = tfm.read(specification) + if tfmdata then + tfmdata.hash = hash + id = font.define(tfmdata) + definers.register(tfmdata,id) + tfm.cleanuptable(tfmdata) else id = 0 -- signal end end - return fonts.ids[id], id + return fonts.identifiers[id], id end --[[ldx-- -<p>Next follow the readers. This code was written while <l n='luatex'/> -evolved. Each one has its own way of dealing with its format.</p> ---ldx]]-- - -local function check_tfm(specification,fullname) - -- ofm directive blocks local path search unless set; btw, in context we - -- don't support ofm files anyway as this format is obsolete - local foundname = resolvers.findbinfile(fullname, 'tfm') or "" -- just to be sure - if foundname == "" then - foundname = resolvers.findbinfile(fullname, 'ofm') or "" -- bonus for usage outside context - end - if foundname ~= "" then - specification.filename, specification.format = foundname, "ofm" - return tfm.read_from_tfm(specification) - end -end - -local function check_afm(specification,fullname) - local foundname = resolvers.findbinfile(fullname, 'afm') or "" -- just to be sure - if foundname == "" and tfm.auto_afm then - local encoding, shortname = match(fullname,"^(.-)%-(.*)$") -- context: encoding-name.* - if encoding and shortname and fonts.enc.known[encoding] then - shortname = resolvers.findbinfile(shortname,'afm') or "" -- just to be sure - if shortname ~= "" then - foundname = shortname - -- tfm.set_normal_feature(specification,'encoding',encoding) -- will go away - if trace_loading then - logs.report("load afm","stripping encoding prefix from filename %s",afmname) - end - end - end - end - if foundname ~= "" then - specification.filename, specification.format = foundname, "afm" - return tfm.read_from_afm(specification) - end -end - -function readers.tfm(specification) - local fullname, tfmtable = specification.filename or "", nil - if fullname == "" then - local forced = specification.forced or "" - if forced ~= "" then - tfmtable = check_tfm(specification,specification.name .. "." .. forced) - end - if not tfmtable then - tfmtable = check_tfm(specification,specification.name) - end - else - tfmtable = check_tfm(specification,fullname) - end - return tfmtable -end - -function readers.afm(specification,method) - local fullname, tfmtable = specification.filename or "", nil - if fullname == "" then - local forced = specification.forced or "" - if forced ~= "" then - tfmtable = check_afm(specification,specification.name .. "." .. forced) - end - if not tfmtable then - method = method or define.method or "afm or tfm" - if method == "tfm" then - tfmtable = check_tfm(specification,specification.name) - elseif method == "afm" then - tfmtable = check_afm(specification,specification.name) - elseif method == "tfm or afm" then - tfmtable = check_tfm(specification,specification.name) or check_afm(specification,specification.name) - else -- method == "afm or tfm" or method == "" then - tfmtable = check_afm(specification,specification.name) or check_tfm(specification,specification.name) - end - end - else - tfmtable = check_afm(specification,fullname) - end - return tfmtable -end - --- maybe some day a set of names - -local function check_otf(forced,specification,suffix,what) - local name = specification.name - if forced then - name = file.addsuffix(name,suffix,true) - end - local fullname, tfmtable = resolvers.findbinfile(name,suffix) or "", nil -- one shot - if fullname == "" then - local fb = fonts.names.old_to_new[name] - if fb then - fullname = resolvers.findbinfile(fb,suffix) or "" - end - end - if fullname == "" then - local fb = fonts.names.new_to_old[name] - if fb then - fullname = resolvers.findbinfile(fb,suffix) or "" - end - end - if fullname ~= "" then - specification.filename, specification.format = fullname, what -- hm, so we do set the filename, then - tfmtable = tfm.read_from_open_type(specification) -- we need to do it for all matches / todo - end - return tfmtable -end - -function readers.opentype(specification,suffix,what) - local forced = specification.forced or "" - if forced == "otf" then - return check_otf(true,specification,forced,"opentype") - elseif forced == "ttf" or forced == "ttc" or forced == "dfont" then - return check_otf(true,specification,forced,"truetype") - else - return check_otf(false,specification,suffix,what) - end -end - -function readers.otf (specification) return readers.opentype(specification,"otf","opentype") end -function readers.ttf (specification) return readers.opentype(specification,"ttf","truetype") end -function readers.ttc (specification) return readers.opentype(specification,"ttf","truetype") end -- !! -function readers.dfont(specification) return readers.opentype(specification,"ttf","truetype") end -- !! - ---[[ldx-- <p>We need to check for default features. For this we provide a helper function.</p> --ldx]]-- -function define.check(features,defaults) -- nb adapts features ! +function definers.check(features,defaults) -- nb adapts features ! local done = false if features and next(features) then for k,v in next, defaults do @@ -525,7 +439,7 @@ function define.check(features,defaults) -- nb adapts features ! end --[[ldx-- -<p>So far the specifyers. Now comes the real definer. Here we cache +<p>So far the specifiers. Now comes the real definer. Here we cache based on id's. Here we also intercept the virtual font handler. Since it evolved stepwise I may rewrite this bit (combine code).</p> @@ -536,27 +450,29 @@ not gain much. By the way, passing id's back to in the callback was introduced later in the development.</p> --ldx]]-- -define.last = nil +local lastdefined = nil -- we don't want this one to end up in s-tra-02 +local internalized = { } -function define.register(fontdata,id) - if fontdata and id then - local hash = fontdata.hash - if not tfm.internalized[hash] then +function definers.current() -- or maybe current + return lastdefined +end + +function definers.register(tfmdata,id) -- will be overloaded + if tfmdata and id then + local hash = tfmdata.hash + if not internalized[hash] then if trace_defining then - logs.report("define font","loading at 2 id %s, hash: %s",id or "?",hash or "?") + report_defining("registering font, id: %s, hash: %s",id or "?",hash or "?") end - fonts.identifiers[id] = fontdata - fonts.characters [id] = fontdata.characters - fonts.quads [id] = fontdata.parameters.quad - -- todo: extra functions, e.g. setdigitwidth etc in list - tfm.internalized[hash] = id + fonts.identifiers[id] = tfmdata + internalized[hash] = id end end end -function define.registered(hash) - local id = tfm.internalized[hash] - return id, id and fonts.ids[id] +function definers.registered(hash) -- will be overloaded + local id = internalized[hash] + return id, id and fonts.identifiers[id] end local cache_them = false @@ -569,7 +485,7 @@ function tfm.make(specification) -- however, when virtual tricks are used as feature (makes more -- sense) we scale the commands in fonts.tfm.scale (and set the -- factor there) - local fvm = define.methods[specification.features.vtf.preset] + local fvm = definers.methods.variants[specification.features.vtf.preset] if fvm then return fvm(specification) else @@ -577,80 +493,79 @@ function tfm.make(specification) end end -function define.read(specification,size,id) -- id can be optional, name can already be table +function definers.read(specification,size,id) -- id can be optional, name can already be table statistics.starttiming(fonts) if type(specification) == "string" then - specification = define.analyze(specification,size) + specification = definers.analyze(specification,size) end local method = specification.method - if method and define.specify[method] then - specification = define.specify[method](specification) + if method and variants[method] then + specification = variants[method](specification) end - specification = define.resolve(specification) - local hash = tfm.hash_instance(specification) + specification = definers.resolve(specification) + local hash = tfm.hashinstance(specification) if cache_them then - local fontdata = containers.read(fonts.cache,hash) -- for tracing purposes + local tfmdata = containers.read(fonts.cache,hash) -- for tracing purposes end - local fontdata = define.registered(hash) -- id - if not fontdata then + local tfmdata = definers.registered(hash) -- id + if not tfmdata then if specification.features.vtf and specification.features.vtf.preset then - fontdata = tfm.make(specification) + tfmdata = tfm.make(specification) else - fontdata = tfm.read(specification) - if fontdata then - tfm.check_virtual_id(fontdata) + tfmdata = tfm.read(specification) + if tfmdata then + tfm.checkvirtualid(tfmdata) end end if cache_them then - fontdata = containers.write(fonts.cache,hash,fontdata) -- for tracing purposes + tfmdata = containers.write(fonts.cache,hash,tfmdata) -- for tracing purposes end - if fontdata then - fontdata.hash = hash - fontdata.cache = "no" + if tfmdata then + tfmdata.hash = hash + tfmdata.cache = "no" if id then - define.register(fontdata,id) + definers.register(tfmdata,id) end end end - define.last = fontdata or id -- todo ! ! ! ! ! - if not fontdata then - logs.report("define font", "unknown font %s, loading aborted",specification.name) - elseif trace_defining and type(fontdata) == "table" then - logs.report("define font","using %s font with id %s, name:%s size:%s bytes:%s encoding:%s fullname:%s filename:%s", - fontdata.type or "unknown", - id or "?", - fontdata.name or "?", - fontdata.size or "default", - fontdata.encodingbytes or "?", - fontdata.encodingname or "unicode", - fontdata.fullname or "?", - file.basename(fontdata.filename or "?")) - + lastdefined = tfmdata or id -- todo ! ! ! ! ! + if not tfmdata then -- or id? + report_defining( "unknown font %s, loading aborted",specification.name) + elseif trace_defining and type(tfmdata) == "table" then + report_defining("using %s font with id %s, name:%s size:%s bytes:%s encoding:%s fullname:%s filename:%s", + tfmdata.type or "unknown", + id or "?", + tfmdata.name or "?", + tfmdata.size or "default", + tfmdata.encodingbytes or "?", + tfmdata.encodingname or "unicode", + tfmdata.fullname or "?", + file.basename(tfmdata.filename or "?")) end statistics.stoptiming(fonts) - return fontdata + return tfmdata end function vf.find(name) name = file.removesuffix(file.basename(name)) - if tfm.resolve_vf then + if tfm.resolvevirtualtoo then local format = fonts.logger.format(name) if format == 'tfm' or format == 'ofm' then if trace_defining then - logs.report("define font","locating vf for %s",name) + report_defining("locating vf for %s",name) end - return resolvers.findbinfile(name,"ovf") + return findbinfile(name,"ovf") else if trace_defining then - logs.report("define font","vf for %s is already taken care of",name) + report_defining("vf for %s is already taken care of",name) end return nil -- "" end else if trace_defining then - logs.report("define font","locating vf for %s",name) + report_defining("locating vf for %s",name) end - return resolvers.findbinfile(name,"ovf") + return findbinfile(name,"ovf") end end @@ -658,5 +573,5 @@ end <p>We overload both the <l n='tfm'/> and <l n='vf'/> readers.</p> --ldx]]-- -callbacks.register('define_font' , define.read, "definition of fonts (tfmtable preparation)") -callbacks.register('find_vf_file', vf.find , "locating virtual fonts, insofar needed") -- not that relevant any more +callbacks.register('define_font' , definers.read, "definition of fonts (tfmtable preparation)") +callbacks.register('find_vf_file', vf.find, "locating virtual fonts, insofar needed") -- not that relevant any more |