4 luatexbase.provides_module({
5 name = 'luatexja.jfmglue',
7 description = 'Insertion process of JFM glues, [x]kanjiskip and others',
9 luatexja.jfmglue = luatexja.jfmglue or {}
11 luatexja.load_module('base'); local ltjb = luatexja.base
12 luatexja.load_module('stack'); local ltjs = luatexja.stack
13 luatexja.load_module('jfont'); local ltjf = luatexja.jfont
14 luatexja.load_module('direction'); local ltjd = luatexja.direction
15 luatexja.load_module('setwidth'); local ltjw = luatexja.setwidth
16 luatexja.load_module('lotf_aux'); local ltju = luatexja.lotf_aux
19 --local to_node = node.direct.tonode
20 --local to_direct = node.direct.todirect
22 local setfield = node.direct.setfield
23 local setglue = luatexja.setglue
24 local getfield = node.direct.getfield
25 local getid = node.direct.getid
26 local getfont = node.direct.getfont
27 local getlist = node.direct.getlist
28 local getchar = node.direct.getchar
29 local getsubtype = node.direct.getsubtype
32 local lang_ja = luatexja.lang_ja
33 local getlang = node.direct.getlang
35 and function (n) return getlang(n)==lang_ja end
36 or function (n) return getfield(n,'lang')==lang_ja end
39 local has_attr = node.direct.has_attribute
40 local set_attr = node.direct.set_attribute
41 local insert_before = node.direct.insert_before
42 local insert_after = node.direct.insert_after
43 local node_next = node.direct.getnext
44 local ltjd_make_dir_whatsit = ltjd.make_dir_whatsit
45 local ltjf_font_metric_table = ltjf.font_metric_table
46 local ltjf_find_char_class = ltjf.find_char_class
47 local node_new = node.direct.new
48 local node_copy = node.direct.copy
49 local node_tail = node.direct.tail
50 local node_free = node.direct.free
51 local node_remove = node.direct.remove
53 local id_glyph = node.id('glyph')
54 local id_hlist = node.id('hlist')
55 local id_vlist = node.id('vlist')
56 local id_rule = node.id('rule')
57 local id_ins = node.id('ins')
58 local id_mark = node.id('mark')
59 local id_adjust = node.id('adjust')
60 local id_disc = node.id('disc')
61 local id_whatsit = node.id('whatsit')
62 local id_math = node.id('math')
63 local id_glue = node.id('glue')
64 local id_kern = node.id('kern')
65 local id_penalty = node.id('penalty')
67 local id_jglyph = 512 -- Japanese character
68 local id_box_like = 256 -- vbox, shifted hbox
69 local id_pbox = 257 -- already processed nodes (by \unhbox)
70 local id_pbox_w = 258 -- cluster which consists of a whatsit
71 local sid_user = node.subtype('user_defined')
73 local ITALIC = luatexja.icflag_table.ITALIC
74 local PACKED = luatexja.icflag_table.PACKED
75 local KINSOKU = luatexja.icflag_table.KINSOKU
76 local FROM_JFM = luatexja.icflag_table.FROM_JFM
77 local PROCESSED = luatexja.icflag_table.PROCESSED
78 local IC_PROCESSED = luatexja.icflag_table.IC_PROCESSED
79 local BOXBDD = luatexja.icflag_table.BOXBDD
80 local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
82 local attr_icflag = luatexbase.attributes['ltj@icflag']
85 local table_current_stack
90 local set_np_xspc_jachar, set_np_xspc_alchar
91 local set_np_xspc_jachar_hbox
93 local ltjs_orig_char_table = ltjs.orig_char_table
95 local function get_attr_icflag(p)
96 return (has_attr(p, attr_icflag) or 0)%PROCESSED_BEGIN_FLAG
99 -------------------- Helper functions
101 -- This function is called only for acquiring `special' characters.
102 local function fast_find_char_class(c,m)
103 return m.chars[c] or 0
107 local slow_find_char_class
109 local start_time_measure = ltjb.start_time_measure
110 local stop_time_measure = ltjb.stop_time_measure
111 slow_find_char_class = function (c, m, oc)
112 local cls = ltjf_find_char_class(oc, m)
113 if oc~=c and c and cls==0 then
114 return ltjf_find_char_class(c, m)
121 local function skip_table_to_glue(n)
122 local g, st = node_new(id_glue), ltjs.fast_get_stack_skip(n)
123 setglue(g, st.width, st.stretch, st.shrink, st.stretch_order, st.shrink_order)
124 return g, (st.width==1073741823)
131 local setpenalty = node.direct.setpenalty or function(n, a) setfield(n,'penalty',a) end
132 local getpenalty = node.direct.getpenalty or function(n) return getfield(n,'penalty') end
133 function add_penalty(p,e)
134 local pp = getpenalty(p)
135 if (pp>-10000) and (pp<10000) then
136 if e>=10000 then setpenalty(p, 10000)
137 elseif e<=-10000 then setpenalty(p, -10000)
140 if pp>=10000 then setpenalty(p, 10000)
141 elseif pp<=-10000 then setpenalty(p, -10000)
142 else setpenalty(p, pp) end
149 luatexja.jfmglue.diffmet_rule = math.two_paverage
150 function math.two_add(a,b) return a+b end
151 function math.two_average(a,b) return (a+b)*0.5 end
152 function math.two_paverage(a,b) return (a+b)/2 end
153 function math.two_pleft(a,b) return a end
154 function math.two_pright(a,b) return b end
156 local head -- the head of current list
159 local widow_Bp, widow_Np -- \jcharwidowpenalty 挿入位置管理用
161 local non_ihb_flag -- JFM グルー挿入抑止用 flag
162 -- false: \inhibitglue 指定時 true: それ以外
164 -------------------- hlist 内の文字の検索
166 local first_char, last_char, find_first_char
169 local ltjd_glyph_from_packed = ltjd.glyph_from_packed
170 local function check_box(box_ptr, box_end)
171 local p = box_ptr; local found_visible_node = false
173 find_first_char = false; last_char = nil
176 while p and p~=box_end do
178 if pid==id_kern and getsubtype(p)==2 then
179 p = node_next(node_next(node_next(p))); pid = getid(p) -- p must be glyph_node
181 if pid==id_glyph then
183 if find_first_char then
184 first_char = p; find_first_char = false
186 last_char = p; found_visible_node = true; p=node_next(p)
187 if (not p) or p==box_end then
188 return found_visible_node
190 until getid(p)~=id_glyph
191 pid = getid(p) -- p must be non-nil
194 local pa = get_attr_icflag(p)
195 if pa==IC_PROCESSED then
197 elseif getsubtype(p)==2 then
198 p = node_next(node_next(p));
199 -- Note that another node_next will be executed outside this if-statement.
201 found_visible_node = true
202 find_first_char = false; last_char = nil
204 elseif pid==id_hlist then
205 if PACKED == get_attr_icflag(p) then
206 local s = ltjd_glyph_from_packed(p)
207 if find_first_char then
208 first_char = s; find_first_char = false
210 last_char = s; found_visible_node = true
212 if getfield(p, 'shift')==0 then
214 if check_box(getlist(p), nil) then found_visible_node = true end
215 find_first_char = false
217 find_first_char = false; last_char = nil
220 elseif pid==id_math then
221 if find_first_char then
222 first_char = p; find_first_char = false
224 last_char = p; found_visible_node = true
225 elseif pid==id_rule and get_attr_icflag(p)==PACKED then
227 elseif not (pid==id_ins or pid==id_mark
228 or pid==id_adjust or pid==id_whatsit
229 or pid==id_penalty) then
230 found_visible_node = true
231 find_first_char = false; last_char = nil
235 return found_visible_node
238 check_box_high = function (Nx, box_ptr, box_end)
239 first_char = nil; last_char = nil; find_first_char = true
240 if check_box(box_ptr, box_end) then
241 local first_char = first_char
243 if getid(first_char)==id_glyph then
244 if if_lang_ja(first_char) then
245 set_np_xspc_jachar_hbox(Nx, first_char)
247 set_np_xspc_alchar(Nx, getchar(first_char),first_char, 1)
250 set_np_xspc_alchar(Nx, -1,first_char)
257 -------------------- Np の計算と情報取得
259 luatexbase.create_callback("luatexja.jfmglue.whatsit_getinfo", "data",
260 function (Np, lp, Nq)
261 if Np.nuc then return Np
263 return Np -- your code
266 luatexbase.create_callback("luatexja.jfmglue.whatsit_after", "data",
267 function (stat, Nq, Np) return false end)
271 do -- 001 -----------------------------------------------
273 local traverse = node.direct.traverse
274 local function check_next_ickern(lp)
276 while lp and getid(lp) == id_kern and ( getsubtype(lp)==0 or
277 getsubtype(lp)==3 or ITALIC == get_attr_icflag(lp)) do
278 set_attr(lp, attr_icflag, IC_PROCESSED);
279 lx, lp = lp, node_next(lp)
281 Np.last = lx; return lp
284 local function calc_np_pbox(lp, last)
285 local first, nc = (not Np.first), nil
286 --local lpa = get_attr_icflag(lp)==PACKED and PACKED or KINSOKU -- KINSOKU: dummy
287 local lpa = get_attr_icflag(lp)
288 Np.first = Np.first or lp; Np.id = id_pbox
289 set_attr(lp, attr_icflag, get_attr_icflag(lp));
290 while lp ~=last and (lpa>=PACKED) and (lpa<BOXBDD) do
291 local lpi = getid(lp)
293 if lpi==id_rule then lp = node_next(lp) end
294 nc, lp = lp, node_next(lp)
295 elseif lpi==id_hlist or lpi==id_vlist then
296 head, lp, nc = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm pbox')
297 Np.first = first and nc or Np.first
299 nc, lp = lp, node_next(lp)
301 first, lpa = false, (lp and has_attr(lp, attr_icflag) or 0)
302 -- get_attr_icflag() ではいけない!
305 lp = check_next_ickern(lp)
306 Np.last_char = check_box_high(Np, Np.first, lp)
310 local calc_np_aux_glyph_common
311 do -- 002 ---------------------------------------
312 local min, max = math.min, math.max
313 local getwhd = node.direct.getwhd
314 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
315 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
316 local font_getfont = font.getfont
317 local function calc_np_notdef(lp)
318 if not font_getfont(getfont(lp)).characters[getchar(lp)] then
319 local ln = node_next(lp)
320 if ltju.specified_feature(getfont(lp), 'notdef') and ln and getid(ln)==id_glyph then
321 set_attr(lp, attr_icflag, PROCESSED)
322 set_attr(ln, attr_jchar_code, has_attr(lp, attr_jchar_code) or getchar(lp))
323 set_attr(ln, attr_jchar_class, has_attr(lp, attr_jchar_class) or 0)
329 function calc_np_aux_glyph_common(lp, acc_flag)
330 Np.nuc, Np.first = lp, (Np.first or lp)
331 if if_lang_ja(lp) then -- JAchar
333 local m, mc, cls = set_np_xspc_jachar(Np, lp)
335 local w, h, d = getwhd(lp)
336 if w==0 and h==0 and d==0 then lp = calc_np_notdef(lp) end
337 lp, head, npi, npf = capsule_glyph(lp, m, mc[cls], head, tex_dir)
338 Np.first = (Np.first~=Np.nuc) and Np.first or npf or npi
340 return true, check_next_ickern(lp);
343 set_np_xspc_alchar(Np, getchar(lp), lp, 1)
345 local first_glyph, last_glyph = lp
346 set_attr(lp, attr_icflag, PROCESSED); Np.last = lp
347 local y_adjust = has_attr(lp,attr_ablshift) or 0
348 local node_depth = getfield(lp, 'depth') + min(y_adjust, 0)
349 local adj_depth = (y_adjust>0) and (getfield(lp, 'depth') + y_adjust) or 0
350 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - y_adjust)
352 for lx in traverse(lp) do
353 local lai = get_attr_icflag(lx)
354 if lx==last or lai>=PACKED then
357 local lid = getid(lx)
358 if lid==id_glyph and not if_lang_ja(lx) then
360 last_glyph = lx; set_attr(lx, attr_icflag, PROCESSED); Np.last = lx
361 y_adjust = has_attr(lx,attr_ablshift) or 0
362 node_depth = max(getfield(lx, 'depth') + min(y_adjust, 0), node_depth)
363 adj_depth = (y_adjust>0) and max(getfield(lx, 'depth') + y_adjust, adj_depth) or adj_depth
364 setfield(lx, 'yoffset', getfield(lx, 'yoffset') - y_adjust)
365 elseif lid==id_kern then
366 local ls = getsubtype(lx)
367 if ls==2 then -- アクセント用の kern
368 set_attr(lx, attr_icflag, PROCESSED)
369 lx = node_next(lx) -- lx: アクセント本体
370 if getid(lx)==id_glyph then
371 setfield(lx, 'yoffset', getfield(lx, 'yoffset') - (has_attr(lx,attr_ablshift) or 0))
372 else -- アクセントは上下にシフトされている
373 setfield(lx, 'shift', getfield(lx, 'shift') + (has_attr(lx,attr_ablshift) or 0))
375 lx = node_next(node_next(lx))
378 elseif (ls==3) or (lai==ITALIC) then
379 Np.last = lx; set_attr(lx, attr_icflag, IC_PROCESSED)
389 if adj_depth>node_depth then
390 r = node_new(id_rule,3)
391 setfield(r, 'width', 0); setfield(r, 'height', 0)
392 setfield(r, 'depth',adj_depth); setfield(r, 'dir', tex_dir)
393 set_attr(r, attr_icflag, PROCESSED)
396 Np.last_char = last_glyph
397 if r then insert_after(head, first_glyph, r) end
402 local nf, nc = getfont(npn), getchar(npn)
403 local ct = (font.getfont(nf) or font.fonts[nf] ).characters[nc]
404 if not ct then -- variation selector
406 elseif (ct.left_protruding or 0) == 0 then
407 head = insert_before(head, npn, r)
408 Np.first = acc_flag and Np.first or ((Np.first==npn) and r or npn)
409 elseif (ct.right_protruding or 0) == 0 then
410 insert_after(head, npn, r); Np.last, lp = r, r
412 ltjb.package_warning_no_line(
414 'Check depth of glyph node ' .. tostring(npn) .. '(font=' .. nf
415 .. ', char=' .. nc .. '), because its \\lpcode is ' .. tostring(ct.left_protruding)
416 .. ' and its \\rpcode is ' .. tostring(ct.right_protruding)
424 end -- 002 ---------------------------------------
425 local calc_np_auxtable
426 do -- 002 ---------------------------------------
427 local ltjw_apply_ashift_math = ltjw.apply_ashift_math
428 local ltjw_apply_ashift_disc = ltjw.apply_ashift_disc
429 local node_end_of_math = node.direct.end_of_math
430 local dir_tate = luatexja.dir_table.dir_tate
431 local sid_start_link = node.subtype('pdf_start_link')
432 local sid_start_thread = node.subtype('pdf_start_thread')
433 local sid_end_link = node.subtype('pdf_end_link')
434 local sid_end_thread = node.subtype('pdf_end_thread')
436 [id_glyph] = calc_np_aux_glyph_common,
437 [id_hlist] = function(lp)
439 head, lp, op, flag = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm hlist')
440 set_attr(op, attr_icflag, PROCESSED)
441 Np.first = Np.first or op; Np.last = op; Np.nuc = op;
442 if (flag or getfield(op, 'shift')~=0) then
446 Np.last_char = check_box_high(Np, getlist(op), nil)
450 [id_vlist] = function(lp)
452 head, lp, op = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm:' .. getid(lp))
453 Np.first = Np.first or op; Np.last = op; Np.nuc = op;
457 box_like = function(lp)
458 Np.first = Np.first or lp; Np.last = lp; Np.nuc = lp;
460 return true, node_next(lp)
462 [id_whatsit] = function(lp)
463 local lps = getsubtype(lp)
464 if lps==sid_user then
465 if getfield(lp, 'user_id')==luatexja.userid_table.IHB then
466 local lq = node_next(lp);
467 head = node_remove(head, lp); node_free(lp); non_ihb_flag = false
469 elseif getfield(lp, 'user_id')==luatexja.userid_table.JA_AL_BDD then
470 local lq = node_next(lp);
471 head = node_remove(head, lp); node_free(lp)
474 set_attr(lp, attr_icflag, PROCESSED)
475 luatexbase.call_callback("luatexja.jfmglue.whatsit_getinfo",
478 Np.id = id_pbox_w; Np.first = Np.nuc; Np.last = Np.nuc;
479 return true, node_next(lp)
481 return false, node_next(lp)
485 -- we do special treatment for these whatsit nodes.
486 if lps == sid_start_link or lps == sid_start_thread then
488 elseif lps == sid_end_link or lps == sid_end_thread then
489 Np.first, Nq.last = nil, lp;
491 set_attr(lp, attr_icflag, PROCESSED)
492 return false, node_next(lp)
495 [id_math] = function(lp)
496 Np.first, Np.nuc = (Np.first or lp), lp;
497 set_attr(lp, attr_icflag, PROCESSED)
498 set_np_xspc_alchar(Np, -1, lp)
499 local end_math = node_end_of_math(lp)
500 ltjw_apply_ashift_math(lp, end_math, attr_ablshift)
501 set_attr(end_math, attr_icflag, PROCESSED)
502 Np.last, Np.id = end_math, id_math;
503 return true, node_next(end_math);
505 [id_glue] = function(lp)
506 Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
507 Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
508 return true, node_next(lp)
510 [id_disc] = function(lp)
511 Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
512 Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
513 ltjw_apply_ashift_disc(lp, (list_dir==dir_tate), tex_dir)
514 Np.last_char = check_box_high(Np, getfield(lp, 'replace'), nil)
515 return true, node_next(lp)
517 [id_kern] = function(lp)
518 if getsubtype(lp)==2 then
519 Np.first = Np.first or lp
520 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
521 if getid(lp)==id_glyph then -- アクセント本体
522 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - (has_attr(lp,attr_ablshift) or 0))
523 else -- アクセントは上下にシフトされている
524 setfield(lp, 'shift', getfield(lp, 'shift') + (has_attr(lp,attr_ablshift) or 0))
526 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
527 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
528 set_attr(lp, attr_icflag, PROCESSED);
529 return calc_np_aux_glyph_common(lp, true)
531 Np.first = Np.first or lp
532 Np.id = id_kern; set_attr(lp, attr_icflag, PROCESSED)
533 Np.last = lp; return true, node_next(lp)
536 [id_penalty] = function(lp)
537 Bp[#Bp+1] = lp; set_attr(lp, attr_icflag, PROCESSED)
538 return false, node_next(lp)
541 end -- 002 ---------------------------------------
542 calc_np_auxtable[id_rule] = calc_np_auxtable.box_like
543 calc_np_auxtable[15] = calc_np_auxtable.box_like
545 local function calc_np_aux_skip (lp)
546 set_attr(lp, attr_icflag, PROCESSED)
547 return false, node_next(lp)
550 function calc_np(last, lp)
552 -- We assume lp = node_next(Np.last)
553 Np, Nq, non_ihb_flag = Nq, Np, true
554 -- We clear `predefined' entries of Np before pairs() loop,
555 -- because using only pairs() loop is slower.
556 Np.post, Np.pre, Np.xspc = nil, nil, nil
557 Np.first, Np.id, Np.last, Np.met, Np.class= nil, nil, nil, nil
558 Np.auto_kspc, Np.auto_xspc, Np.char, Np.nuc = nil, nil, nil, nil
559 for k in pairs(Np) do Np[k] = nil end
561 for k = 1,#Bp do Bp[k] = nil end
563 local lpa = has_attr(lp, attr_icflag) or 0
566 if lpa%PROCESSED_BEGIN_FLAG == BOXBDD then
567 local lq = node_next(lp)
568 head = node_remove(head, lp); node_free(lp); lp = lq
570 return calc_np_pbox(lp, last)
573 k, lp = (calc_np_auxtable[getid(lp)] or calc_np_aux_skip)(lp)
574 if k then return lp end
579 end -- 001 -----------------------------------------------
581 -- extract informations from Np
582 -- We think that "Np is a Japanese character" if Np.met~=nil,
583 -- "Np is an alphabetic character" if Np.pre~=nil,
584 -- "Np is not a character" otherwise.
585 local after_hlist = nil -- global
586 local after_alchar, extract_np
588 local PRE = luatexja.stack_table_index.PRE
589 local POST = luatexja.stack_table_index.POST
590 local KCAT = luatexja.stack_table_index.KCAT
591 local XSP = luatexja.stack_table_index.XSP
592 local dir_tate = luatexja.dir_table.dir_tate
595 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
596 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
597 local attr_autospc = luatexbase.attributes['ltj@autospc']
598 local attr_autoxspc = luatexbase.attributes['ltj@autoxspc']
599 local getcomponents = node.direct.getcomponents
600 --local ltjf_get_vert_glyph = ltjf.get_vert_glyph
601 function set_np_xspc_jachar(Nx, x)
602 local m = ltjf_font_metric_table[getfont(x)]
603 local c, c_glyph = (not getcomponents(x) and ltjs_orig_char_table[x]), getchar(x)
604 if c and c~=c_glyph then set_attr(x, attr_jchar_code, c) end
606 local cls = slow_find_char_class(c, m, c_glyph)
607 Nx.met, Nx.class, Nx.char = m, cls, c;
608 local mc = m.char_type; Nx.char_type = mc
609 if cls~=0 then set_attr(x, attr_jchar_class, cls) end
610 Nx.pre = table_current_stack[PRE + c] or 0
611 Nx.post = table_current_stack[POST + c] or 0
612 Nx.xspc = table_current_stack[XSP + c] or 3
613 Nx.kcat = table_current_stack[KCAT + c] or 0
614 Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
617 function set_np_xspc_jachar_hbox(Nx, x)
618 local m = ltjf_font_metric_table[getfont(x)]
619 local c = has_attr(x, attr_jchar_code) or getchar(x)
620 Nx.met, Nx.char = m, c; Nx.class = has_attr(x, attr_jchar_class) or 0;
621 local mc = m.char_type; Nx.char_type = mc
622 Nx.pre = table_current_stack[PRE + c] or 0
623 Nx.post = table_current_stack[POST + c] or 0
624 Nx.xspc = table_current_stack[XSP + c] or 3
625 Nx.kcat = table_current_stack[KCAT + c] or 0
626 Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
630 local floor = math.floor
631 local nullfunc = function(n) return n end
632 function set_np_xspc_alchar(Nx, c,x, lig)
634 local f = (lig ==1) and nullfunc or node_tail
635 local xc, xs = getcomponents(x), getsubtype(x)
636 while xc and xs and xs%4>=2 do
638 if getid(x)==id_disc then x, xc, xs = nil, getfield(x,'replace'), 2
639 else xc, xs = getcomponents(x), getsubtype(x) end
641 c = x and getchar(x) or c
642 Nx.pre = table_current_stack[PRE + c] or 0
643 Nx.post = table_current_stack[POST + c] or 0
645 Nx.pre, Nx.post = 0, 0
648 Nx.xspc = table_current_stack[XSP + c] or 3
649 Nx.auto_xspc = (has_attr(x, attr_autoxspc)==1)
651 local set_np_xspc_alchar = set_np_xspc_alchar
653 -- change the information for the next loop
654 -- (will be done if Nx is an alphabetic character or a hlist)
655 after_hlist = function (Nx)
656 local s = Nx.last_char
658 if getid(s)==id_glyph then
659 if if_lang_ja(s) then
660 set_np_xspc_jachar_hbox(Nx, s)
662 set_np_xspc_alchar(Nx, getchar(s), s, 2)
665 set_np_xspc_alchar(Nx, -1, s)
668 Nx.pre, Nx.met = nil, nil
672 after_alchar = function (Nx)
673 local x = Nx.last_char
674 return set_np_xspc_alchar(Nx, getchar(x), x, 2)
679 -------------------- 最下層の処理
681 luatexbase.create_callback('luatexja.adjust_jfmglue', 'simple', function(n) return n end)
683 -- change penalties (or create a new penalty, if needed)
684 local function handle_penalty_normal(post, pre, g)
685 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
686 local a = (pre or 0) + (post or 0)
688 if (a~=0 and not(g and getid(g)==id_kern)) then
689 local p = node_new(id_penalty)
690 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
691 setfield(p, 'penalty', a)
692 head = insert_before(head, Np.first, p)
694 set_attr(p, attr_icflag, KINSOKU)
696 else for _, v in pairs(Bp) do add_penalty(v,a) end
700 local function handle_penalty_always(post, pre, g)
701 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
702 local a = (pre or 0) + (post or 0)
704 if not (g and getid(g)==id_glue) or a~=0 then
705 local p = node_new(id_penalty)
706 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
707 setfield(p, 'penalty', a)
708 head = insert_before(head, Np.first, p)
710 set_attr(p, attr_icflag, KINSOKU)
712 else for _, v in pairs(Bp) do add_penalty(v,a) end
716 local function handle_penalty_suppress(post, pre, g)
717 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
719 if g and getid(g)==id_glue then
720 local p = node_new(id_penalty)
721 setfield(p, 'penalty', 10000); head = insert_before(head, Np.first, p)
723 set_attr(p, attr_icflag, KINSOKU)
726 local a = (pre or 0) + (post or 0)
727 for _, v in pairs(Bp) do add_penalty(v,a) end
731 local function handle_penalty_jwp()
732 local a = table_current_stack[luatexja.stack_table_index.JWP]
733 if #widow_Bp == 0 then
735 local p = node_new(id_penalty)
736 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
737 setfield(p, 'penalty', a)
738 head = insert_before(head, widow_Np.first, p)
740 set_attr(p, attr_icflag, KINSOKU)
742 else for _, v in pairs(widow_Bp) do add_penalty(v,a) end
746 -- 和文文字間の JFM glue を node 化
747 local function new_jfm_glue(mc, bc, ac)
748 -- bc, ac: char classes
752 return node_copy(g[1]), g.ratio, false, false, false
754 local f = node_new(id_glue)
755 set_attr(f, attr_icflag, g.priority)
756 setglue(f, g.width, g.stretch, g.shrink)
757 return f, g.ratio, g.kanjiskip_natural, g.kanjiskip_stretch, g.kanjiskip_shrink
763 -- Nq.last (kern w) .... (glue/kern g) Np.first
764 local function real_insert(g)
766 head = insert_before(head, Np.first, g)
772 -------------------- 和文文字間空白量の決定
775 local round = tex.round
776 local bg_ag = 2*id_glue - id_glue
777 local bg_ak = 2*id_glue - id_kern
778 local bk_ag = 2*id_kern - id_glue
779 local bk_ak = 2*id_kern - id_kern
781 local function blend_diffmet(b, a, rb, ra)
782 return round(luatexja.jfmglue.diffmet_rule((1-rb)*b+rb*a, (1-ra)*b+ra*a))
784 calc_ja_ja_aux = function (gb, ga, db, da)
785 if luatexja.jfmglue.diffmet_rule ~= math.two_pleft and diffmet_rule ~= math.two_pright
786 and luatexja.jfmglue.diffmet_rule ~= math.two_paverage then
791 gb = node_new(id_kern, 1); setfield(gb, 'kern', 0)
794 ga = node_new(id_kern, 1); setfield(ga, 'kern', 0)
797 local k = 2*getid(gb) - getid(ga)
800 setglue(gb, blend_diffmet(
801 getfield(gb, 'width'), getfield(ga, 'width'), db, da),
803 getfield(gb, 'stretch'), getfield(ga, 'stretch'), db, da),
805 -getfield(gb, 'shrink'), -getfield(ga, 'shrink'), db, da))
808 elseif k == bk_ak then
810 setfield(gb, 'kern', blend_diffmet(
811 getfield(gb, 'kern'), getfield(ga, 'kern'), db, da))
814 elseif k == bk_ag then
815 -- gb: kern, ga: glue
816 setglue(ga, blend_diffmet(
817 getfield(gb, 'kern'), getfield(ga, 'width'), db, da),
819 0, getfield(ga, 'stretch'), db, da),
821 0, -getfield(ga, 'shrink'), db, da))
825 -- gb: glue, ga: kern
826 setglue(gb, blend_diffmet(
827 getfield(gb, 'width'), getfield(ga, 'kern'), db, da),
829 getfield(gb, 'stretch'), 0, db, da),
831 -getfield(gb, 'shrink'), 0, db, da))
838 local null_skip_table = {0, 0, 0}
840 local get_kanjiskip, kanjiskip_jfm_flag
841 local get_kanjiskip_low
842 local calc_ja_ja_glue
844 local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
845 local KANJI_SKIP_JFM = luatexja.icflag_table.KANJI_SKIP_JFM
847 get_kanjiskip_low = function(flag, qm, bn, bp, bh)
848 if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
849 if kanjiskip_jfm_flag then
850 local g = node_new(id_glue);
851 local bk = qm.kanjiskip or null_skip_table
852 setglue(g, bn and (bn*bk[1]) or 0,
853 bp and (bp*bk[2]) or 0,
854 bh and (bh*bk[3]) or 0, 0, 0)
855 set_attr(g, attr_icflag, KANJI_SKIP_JFM)
858 return node_copy(kanji_skip)
860 local g = node_new(id_glue);
862 bn and (bn*getfield(kanji_skip, 'width')) or 0,
863 bp and (bp*getfield(kanji_skip, 'stretch')) or 0,
864 bh and (bh*getfield(kanji_skip, 'shrink')) or 0,
866 set_attr(g, attr_icflag, KANJI_SKIP_JFM)
872 get_kanjiskip = function()
873 if Np.auto_kspc==0 or Nq.auto_kspc==0 then
875 elseif Np.auto_kspc or Nq.auto_kspc then
876 local pm, qm = Np.met, Nq.met
877 if (pm.char_type==qm.char_type) and (qm.var==pm.var) then
878 return get_kanjiskip_low(true, qm, 1, 1, 1)
880 local gb = get_kanjiskip_low(true, qm, 1, 1, 1)
881 local ga = get_kanjiskip_low(true, pm, 1, 1, 1)
882 return calc_ja_ja_aux(gb, ga, 0, 1)
885 local g = node_new(id_glue)
886 set_attr(g, attr_icflag, kanjiskip_jfm_flag and KANJI_SKIP_JFM or KANJI_SKIP)
891 calc_ja_ja_glue = function ()
892 local qm, pm = Nq.met, Np.met
893 local qmc, pmc = qm.char_type, pm.char_type
894 if (qmc==pmc) and (qm.var==pm.var) then
895 local g, _, kn, kp, kh = new_jfm_glue(qmc, Nq.class, Np.class)
896 return g, (Np.auto_kspc or Nq.auto_kspc) and get_kanjiskip_low(false, qm, kn, kp, kh)
898 local npn, nqn = Np.nuc, Nq.nuc
899 local gb, db, bn, bp, bh
900 = new_jfm_glue(qmc, Nq.class,
901 slow_find_char_class(Np.char,
903 local ga, da, an, ap, ah
905 slow_find_char_class(Nq.char,
908 local g = calc_ja_ja_aux(gb, ga, db, da)
910 if (pmc==qmc) and (qm.var==pm.var) then
911 gb = get_kanjiskip_low(false, qm, bn, bp, bh)
912 ga = get_kanjiskip_low(false, pm, an, ap, ah)
913 k = calc_ja_ja_aux(gb, ga, db, da)
920 -------------------- 和欧文間空白量の決定
923 local get_xkanjiskip, xkanjiskip_jfm_flag
924 local get_xkanjiskip_normal, get_xkanjiskip_jfm
925 local get_xkanjiskip_low
927 local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
928 local XKANJI_SKIP_JFM = luatexja.icflag_table.XKANJI_SKIP_JFM
930 get_xkanjiskip_low = function(flag, qm, bn, bp, bh)
931 if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
932 if xkanjiskip_jfm_flag then
933 local g = node_new(id_glue);
934 local bk = qm.xkanjiskip or null_skip_table
935 setglue(g, bn and bk[1] or 0,
937 bh and bk[3] or 0, 0, 0)
938 set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
941 return node_copy(xkanji_skip)
943 local g = node_new(id_glue);
945 bn and (bn*getfield(xkanji_skip, 'width')) or 0,
946 bp and (bp*getfield(xkanji_skip, 'stretch')) or 0,
947 bh and (bh*getfield(xkanji_skip, 'shrink')) or 0,
949 set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
955 get_xkanjiskip = function(Nn)
956 if Np.auto_xspc==0 or Nq.auto_xspc==0 then
958 elseif (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then
959 return get_xkanjiskip_low(true, Nn.met, 1, 1, 1)
961 local g = node_new(id_glue)
962 set_attr(g, attr_icflag, xkanjiskip_jfm_flag and XKANJI_SKIP_JFM or XKANJI_SKIP)
968 -------------------- 隣接した「塊」間の処理
970 local function combine_spc(name)
971 return (Np[name] or Nq[name]) and ((Np[name]~=0) and (Nq[name]~=0))
974 -- NA, NB: alchar or math
975 local function get_NA_skip()
977 local g, _, kn, kp, kh = new_jfm_glue(
979 fast_find_char_class(
980 (Nq.id == id_math and -1 or (Nq.xspc>=2 and 'alchar' or 'nox_alchar')), pm),
982 local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
983 and get_xkanjiskip_low(false, pm, kn, kp, kh)
986 local function get_NB_skip()
988 local g, _, kn, kp, kh = new_jfm_glue(
989 qm.char_type, Nq.class,
990 fast_find_char_class(
991 (Np.id == id_math and -1 or (Np.xspc%2==1 and 'alchar' or 'nox_alchar')), qm)
993 local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
994 and get_xkanjiskip_low(false, qm, kn, kp, kh)
998 local function get_OA_skip(is_kanji)
1000 local g, _, kn, kp, kh = new_jfm_glue(
1002 fast_find_char_class(
1003 (((Nq.id==id_glue)or(Nq.id==id_kern)) and 'glue' or 'jcharbdd'), pm),
1007 k = combine_spc('auto_kspc') and get_kanjiskip_low(false, pm, kn, kp, kh)
1011 local function get_OB_skip(is_kanji)
1013 local g, _, kn, kp, kh = new_jfm_glue(
1014 qm.char_type, Nq.class,
1015 fast_find_char_class(
1016 (((Np.id==id_glue)or(Np.id==id_kern)) and 'glue' or 'jcharbdd'), qm))
1019 k = combine_spc('auto_kspc') and get_kanjiskip_low(false, qm, kn, kp, kh)
1024 -- (anything) .. jachar
1025 local function handle_np_jachar(mode)
1027 if qid==id_jglyph or ((qid==id_pbox or qid==id_pbox_w) and Nq.met) then
1029 if non_ihb_flag then g, k = calc_ja_ja_glue() end -- M->K
1030 if not g then g = get_kanjiskip() end
1031 handle_penalty_normal(Nq.post, Np.pre, g);
1032 real_insert(g); real_insert(k)
1033 elseif Nq.met then -- qid==id_hlist
1035 if non_ihb_flag then g, k = get_OA_skip(0) end -- O_A->K
1036 if not g then g = get_kanjiskip() end
1037 handle_penalty_normal(0, Np.pre, g); real_insert(g); real_insert(k)
1040 if non_ihb_flag then g, k = get_NA_skip() end -- N_A->X
1041 if not g then g = get_xkanjiskip(Np) end
1042 handle_penalty_normal((qid==id_hlist and 0 or Nq.post), Np.pre, g);
1043 real_insert(g); real_insert(k)
1045 local g = non_ihb_flag and (get_OA_skip()) -- O_A
1046 if qid==id_glue then handle_penalty_normal(0, Np.pre, g)
1047 elseif qid==id_kern then handle_penalty_suppress(0, Np.pre, g)
1048 else handle_penalty_always(0, Np.pre, g)
1052 if mode and Np.kcat%2~=1 then
1053 widow_Np.first, widow_Bp, Bp = Np.first, Bp, widow_Bp
1058 -- jachar .. (anything)
1059 local function handle_nq_jachar()
1061 local g = non_ihb_flag and get_NB_skip() or get_xkanjiskip(Nq) -- N_B->X
1062 handle_penalty_normal(Nq.post, (Np.id==id_hlist and 0 or Np.pre), g); real_insert(g)
1064 local g =non_ihb_flag and (get_OB_skip()) -- O_B
1065 if Np.id==id_glue then handle_penalty_normal(Nq.post, 0, g)
1066 elseif Np.id==id_kern then handle_penalty_suppress(Nq.post, 0, g)
1067 else handle_penalty_always(Nq.post, 0, g)
1073 -- (anything) .. (和文文字で始まる hlist)
1074 local function handle_np_ja_hlist()
1076 if qid==id_jglyph or ((qid==id_pbox or qid == id_pbox_w) and Nq.met) then
1077 local g = non_ihb_flag and get_OB_skip(0) or get_kanjiskip() -- O_B->K
1078 handle_penalty_normal(Nq.post, 0, g); real_insert(g)
1079 elseif Nq.met then -- Nq.id==id_hlist
1080 local g = get_kanjiskip() -- K
1081 handle_penalty_suppress(0, 0, g); real_insert(g)
1083 local g = get_xkanjiskip(Np) -- X
1084 handle_penalty_suppress(0, 0, g); real_insert(g)
1088 -- (和文文字で終わる hlist) .. (anything)
1089 local function handle_nq_ja_hlist()
1091 local g = get_xkanjiskip(Nq) -- X
1092 handle_penalty_suppress(0, 0, g); real_insert(g)
1097 -- Nq が前側のクラスタとなることによる修正
1100 local adjust_nq_aux = {
1101 [id_glyph] = function() after_alchar(Nq) end, -- after_alchar(Nq)
1102 [id_hlist] = function() after_hlist(Nq) end,
1103 [id_pbox] = function() after_hlist(Nq) end,
1104 [id_disc] = function() after_hlist(Nq) end,
1105 [id_pbox_w] = function()
1106 luatexbase.call_callback("luatexja.jfmglue.whatsit_after",
1111 adjust_nq=function()
1112 local x = adjust_nq_aux[Nq.id]
1118 -------------------- 開始・終了時の処理
1120 local node_prev = node.direct.getprev
1122 local function handle_list_tail(mode, last)
1125 -- the current list is to be line-breaked.
1126 -- Insert \jcharwidowpenalty
1127 if widow_Np.first then handle_penalty_jwp() end
1130 -- the current list is the contents of a hbox
1131 local npi, pm = Np.id, Np.met
1132 if npi == id_jglyph or (npi==id_pbox and pm) then
1133 local g = new_jfm_glue(pm.char_type, Np.class, fast_find_char_class('boxbdd', pm))
1135 set_attr(g, attr_icflag, BOXBDD)
1136 head = insert_after(head, Np.last, g)
1143 local function handle_list_head(par_indented)
1144 local npi, pm = Np.id, Np.met
1145 if npi == id_jglyph or (npi==id_pbox and pm) then
1146 if non_ihb_flag then
1147 local g = new_jfm_glue(pm.char_type, fast_find_char_class(par_indented, pm), Np.class)
1149 set_attr(g, attr_icflag, BOXBDD)
1150 if getid(g)==id_glue and #Bp==0 then
1151 local h = node_new(id_penalty)
1152 setfield(h, 'penalty', 10000); set_attr(h, attr_icflag, BOXBDD)
1154 head = insert_before(head, Np.first, g)
1161 -- return value: (the initial cursor lp), (last node)
1164 local id_local = node.id('local_par')
1165 local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
1166 local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
1167 local KSK = luatexja.stack_table_index.KSK
1168 local XSK = luatexja.stack_table_index.XSK
1169 local dir_yoko = luatexja.dir_table.dir_yoko
1170 local dir_tate = luatexja.dir_table.dir_tate
1171 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
1172 local attr_tablshift = luatexbase.attributes['ltj@tablshift']
1173 local table_pool = {
1174 {}, {}, {first=nil},
1175 { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
1176 first=nil, id=nil, last=nil, met=nil, nuc=nil,
1177 post=nil, pre=nil, xspc=nil, },
1178 { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
1179 first=nil, id=nil, last=nil, met=nil, nuc=nil,
1180 post=nil, pre=nil, xspc=nil, },
1182 init_var = function (mode,dir)
1183 -- 1073741823: max_dimen
1184 Bp, widow_Bp, widow_Np, Np, Nq
1185 = table_pool[1], table_pool[2], table_pool[3], table_pool[4], table_pool[5]
1186 for i=1,5 do for j,_ in pairs(table_pool[i]) do table_pool[i][j]=nil end end
1187 table_current_stack = ltjs.table_current_stack
1189 list_dir, tex_dir = (ltjs.list_dir or dir_yoko), (dir or 'TLT')
1190 local is_dir_tate = list_dir==dir_tate
1191 capsule_glyph = is_dir_tate and ltjw.capsule_glyph_tate or ltjw.capsule_glyph_yoko
1192 attr_ablshift = is_dir_tate and attr_tablshift or attr_yablshift
1193 local TEMP = node_new(id_glue)
1194 -- TEMP is a dummy node, which will be freed at the end of the callback.
1195 -- ithout this node, set_attr(kanji_skip, ...) somehow creates an "orphaned" attribute list.
1198 kanji_skip, kanjiskip_jfm_flag = skip_table_to_glue(KSK)
1199 set_attr(kanji_skip, attr_icflag, KANJI_SKIP)
1203 xkanji_skip, xkanjiskip_jfm_flag = skip_table_to_glue(XSK)
1204 set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP)
1208 -- the current list is to be line-breaked:
1209 -- hbox from \parindent is skipped.
1210 local lp, par_indented, lpi, lps = head, 'boxbdd', getid(head), getsubtype(head)
1212 ((lpi==id_whatsit and lps~=sid_user)
1213 or ((lpi==id_hlist) and (lps==3))
1214 or (lpi==id_local)) do
1215 if (lpi==id_hlist) and (lps==3) then
1216 Np.char, par_indented = 'parbdd', 'parbdd'
1217 Np.width = getfield(lp, 'width')
1219 lp=node_next(lp); lpi, lps = getid(lp), getsubtype(lp) end
1220 return lp, node_tail(head), par_indented, TEMP
1222 return head, nil, 'boxbdd', TEMP
1227 local ensure_tex_attr = ltjb.ensure_tex_attr
1228 local function cleanup(mode, TEMP)
1229 -- luatexja.ext_show_node_list(to_node(head), '> ', print)
1230 -- adjust attr_icflag for avoiding error
1231 if tex.getattribute(attr_icflag)~=0 then ensure_tex_attr(attr_icflag, 0) end
1232 node_free(kanji_skip);
1233 node_free(xkanji_skip); node_free(TEMP)
1236 local h = node_next(head)
1237 if getid(h) == id_penalty and getfield(h, 'penalty') == 10000 then
1239 if getid(h) == id_glue and getsubtype(h) == 15 and not node_next(h) then
1246 -------------------- 外部から呼ばれる関数
1249 function luatexja.jfmglue.main(ahead, mode, dir)
1250 if not ahead then return ahead end
1251 --luatexja.ext_show_node_list(to_node(ahead ), '>B ', print)
1254 local lp, last, par_indented, TEMP = init_var(mode,dir)
1255 lp = calc_np(last, lp)
1257 handle_list_head(par_indented)
1258 lp = calc_np(last,lp);
1261 local pid, pm = Np.id, Np.met
1263 if pid == id_jglyph then
1264 handle_np_jachar(mode)
1266 if pid==id_hlist then handle_np_ja_hlist()
1267 else handle_np_jachar() end
1269 if Nq.id==id_hlist then handle_nq_ja_hlist()
1270 else handle_nq_jachar() end
1272 lp = calc_np(last,lp)
1274 handle_list_tail(mode, last)
1276 --luatexja.ext_show_node_list(to_node(ahead ), '>A ', print)
1278 return cleanup(mode, TEMP)
1283 local IHB = luatexja.userid_table.IHB
1284 local BPAR = luatexja.userid_table.BPAR
1285 local BOXB = luatexja.userid_table.BOXB
1286 local node_prev = node.direct.getprev
1287 local node_write = node.direct.write
1290 function luatexja.jfmglue.create_inhibitglue_node()
1291 local tn = node_new(id_whatsit, sid_user)
1292 setfield(tn, 'user_id', IHB)
1293 setfield(tn, 'type', 100)
1294 setfield(tn, 'value', 1)
1298 -- Node for indicating beginning of a paragraph
1299 -- (for ltjsclasses)
1300 function luatexja.jfmglue.create_beginpar_node()
1301 local tn = node_new(id_whatsit, sid_user)
1302 setfield(tn, 'user_id', BPAR)
1303 setfield(tn, 'type', 100)
1304 setfield(tn, 'value', 1)
1308 -- Node for indicating a head/end of a box
1309 function luatexja.jfmglue.create_boxbdd_node()
1310 local tn = node_new(id_whatsit, sid_user)
1311 setfield(tn, 'user_id', BOXB)
1312 setfield(tn, 'type', 100)
1313 setfield(tn, 'value', 1)
1317 local function whatsit_callback(Np, lp, Nq)
1318 if Np and Np.nuc then return Np
1319 elseif Np and getfield(lp, 'user_id') == BPAR then
1320 Np.first = lp; Np.nuc = lp; Np.last = lp
1322 elseif Np and getfield(lp, 'user_id') == BOXB then
1323 Np.first = lp; Np.nuc = lp; Np.last = lp
1326 Np.class = fast_find_char_class('boxbdd', Nq.met)
1328 Np.met = Nq.met; Np.pre = 0; Np.post = 0; Np.xspc = 0
1329 Np.auto_xspc, Np.auto_kspc = 0, 0
1337 local function whatsit_after_callback(s, Nq, Np)
1338 if not s and getfield(Nq.nuc, 'user_id') == BPAR then
1339 local x, y = node_prev(Nq.nuc), Nq.nuc
1340 Nq.first, Nq.nuc, Nq.last = x, x, x
1343 Nq.class = fast_find_char_class('parbdd', Np.met)
1345 Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
1346 Nq.auto_xspc, Nq.auto_kspc = 0, 0
1348 head = node_remove(head, y)
1350 elseif not s and getfield(Nq.nuc, 'user_id') == BOXB then
1351 local x, y = node_prev(Nq.nuc), Nq.nuc
1352 Nq.first, Nq.nuc, Nq.last = x, x, x
1355 Nq.class = fast_find_char_class('boxbdd', Np.met)
1357 Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
1358 Nq.auto_xspc, Nq.auto_kspc = 0, 0
1360 head = node_remove(head, y)
1366 luatexbase.add_to_callback("luatexja.jfmglue.whatsit_getinfo", whatsit_callback,
1367 "luatexja.beginpar.np_info", 1)
1368 luatexbase.add_to_callback("luatexja.jfmglue.whatsit_after", whatsit_after_callback,
1369 "luatexja.beginpar.np_info_after", 1)
1373 luatexja.jfmglue.after_hlist = after_hlist
1374 luatexja.jfmglue.check_box_high = check_box_high