2 -- luatexja/ltj-jfmglue.lua
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
18 --local to_node = node.direct.tonode
19 --local to_direct = node.direct.todirect
21 local setfield = node.direct.setfield
22 local setglue = luatexja.setglue
23 local getfield = node.direct.getfield
24 local getid = node.direct.getid
25 local getfont = node.direct.getfont
26 local getlist = node.direct.getlist
27 local getchar = node.direct.getchar
28 local getsubtype = node.direct.getsubtype
31 local lang_ja = luatexja.lang_ja
32 local getlang = node.direct.getlang
34 and function (n) return getlang(n)==lang_ja end
35 or function (n) return getfield(n,'lang')==lang_ja end
38 local has_attr = node.direct.has_attribute
39 local set_attr = node.direct.set_attribute
40 local insert_before = node.direct.insert_before
41 local insert_after = node.direct.insert_after
42 local node_next = node.direct.getnext
43 local ltjd_make_dir_whatsit = ltjd.make_dir_whatsit
44 local ltjf_font_metric_table = ltjf.font_metric_table
45 local ltjf_find_char_class = ltjf.find_char_class
46 local node_new = node.direct.new
47 local node_copy = node.direct.copy
48 local node_tail = node.direct.tail
49 local node_free = node.direct.free
50 local node_remove = node.direct.remove
52 local id_glyph = node.id('glyph')
53 local id_hlist = node.id('hlist')
54 local id_vlist = node.id('vlist')
55 local id_rule = node.id('rule')
56 local id_ins = node.id('ins')
57 local id_mark = node.id('mark')
58 local id_adjust = node.id('adjust')
59 local id_disc = node.id('disc')
60 local id_whatsit = node.id('whatsit')
61 local id_math = node.id('math')
62 local id_glue = node.id('glue')
63 local id_kern = node.id('kern')
64 local id_penalty = node.id('penalty')
66 local id_jglyph = 512 -- Japanese character
67 local id_box_like = 256 -- vbox, shifted hbox
68 local id_pbox = 257 -- already processed nodes (by \unhbox)
69 local id_pbox_w = 258 -- cluster which consists of a whatsit
70 local sid_user = node.subtype('user_defined')
72 local ITALIC = luatexja.icflag_table.ITALIC
73 local PACKED = luatexja.icflag_table.PACKED
74 local KINSOKU = luatexja.icflag_table.KINSOKU
75 local FROM_JFM = luatexja.icflag_table.FROM_JFM
76 local PROCESSED = luatexja.icflag_table.PROCESSED
77 local IC_PROCESSED = luatexja.icflag_table.IC_PROCESSED
78 local BOXBDD = luatexja.icflag_table.BOXBDD
79 local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
81 local attr_icflag = luatexbase.attributes['ltj@icflag']
84 local table_current_stack
89 local set_np_xspc_jachar, set_np_xspc_alchar
90 local set_np_xspc_jachar_hbox
92 local ltjs_orig_char_table = ltjs.orig_char_table
94 local function get_attr_icflag(p)
95 return (has_attr(p, attr_icflag) or 0)%PROCESSED_BEGIN_FLAG
98 -------------------- Helper functions
100 -- This function is called only for acquiring `special' characters.
101 local function fast_find_char_class(c,m)
102 return m.chars[c] or 0
106 local slow_find_char_class
108 local start_time_measure = ltjb.start_time_measure
109 local stop_time_measure = ltjb.stop_time_measure
110 slow_find_char_class = function (c, m, oc)
111 local cls = ltjf_find_char_class(oc, m)
112 if oc~=c and c and cls==0 then
113 return ltjf_find_char_class(c, m)
120 local function skip_table_to_glue(n)
121 local g, st = node_new(id_glue), ltjs.fast_get_stack_skip(n)
122 setglue(g, st.width, st.stretch, st.shrink, st.stretch_order, st.shrink_order)
123 return g, (st.width==1073741823)
130 local setpenalty = node.direct.setpenalty or function(n, a) setfield(n,'penalty',a) end
131 local getpenalty = node.direct.getpenalty or function(n) return getfield(n,'penalty') end
132 function add_penalty(p,e)
133 local pp = getpenalty(p)
134 if (pp>-10000) and (pp<10000) then
135 if e>=10000 then setpenalty(p, 10000)
136 elseif e<=-10000 then setpenalty(p, -10000)
139 if pp>=10000 then setpenalty(p, 10000)
140 elseif pp<=-10000 then setpenalty(p, -10000)
141 else setpenalty(p, pp) end
148 luatexja.jfmglue.diffmet_rule = math.two_paverage
149 function math.two_add(a,b) return a+b end
150 function math.two_average(a,b) return (a+b)*0.5 end
151 function math.two_paverage(a,b) return (a+b)/2 end
152 function math.two_pleft(a,b) return a end
153 function math.two_pright(a,b) return b end
155 local head -- the head of current list
158 local widow_Bp, widow_Np -- \jcharwidowpenalty 挿入位置管理用
160 local non_ihb_flag -- JFM グルー挿入抑止用 flag
161 -- false: \inhibitglue 指定時 true: それ以外
163 -------------------- hlist 内の文字の検索
165 local first_char, last_char, find_first_char
168 local ltjd_glyph_from_packed = ltjd.glyph_from_packed
169 local function check_box(box_ptr, box_end)
170 local p = box_ptr; local found_visible_node = false
172 find_first_char = false; last_char = nil
175 while p and p~=box_end do
177 if pid==id_kern and getsubtype(p)==2 then
178 p = node_next(node_next(node_next(p))); pid = getid(p) -- p must be glyph_node
180 if pid==id_glyph then
182 if find_first_char then
183 first_char = p; find_first_char = false
185 last_char = p; found_visible_node = true; p=node_next(p)
186 if (not p) or p==box_end then
187 return found_visible_node
189 until getid(p)~=id_glyph
190 pid = getid(p) -- p must be non-nil
193 local pa = get_attr_icflag(p)
194 if (pa==IC_PROCESSED)or(pa==BOXBDD) then
195 --if (pa==IC_PROCESSED)or(pa==BOXBDD)or(getsubtype(p)==0) 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)
226 or (pid==id_glue and get_attr_icflag(p)==BOXBDD) then
228 elseif not (pid==id_ins or pid==id_mark
229 or pid==id_adjust or pid==id_whatsit
230 or pid==id_penalty) then
231 found_visible_node = true
232 find_first_char = false; last_char = nil
236 return found_visible_node
239 check_box_high = function (Nx, box_ptr, box_end)
240 first_char = nil; last_char = nil; find_first_char = true
241 if check_box(box_ptr, box_end) then
242 local first_char = first_char
244 if getid(first_char)==id_glyph then
245 if if_lang_ja(first_char) then
246 set_np_xspc_jachar_hbox(Nx, first_char)
248 set_np_xspc_alchar(Nx, getchar(first_char),first_char, 1)
251 set_np_xspc_alchar(Nx, -1,first_char)
258 -------------------- Np の計算と情報取得
260 luatexbase.create_callback("luatexja.jfmglue.whatsit_getinfo", "data",
261 function (Np, lp, Nq)
262 if Np.nuc then return Np
264 return Np -- your code
267 luatexbase.create_callback("luatexja.jfmglue.whatsit_after", "data",
268 function (stat, Nq, Np) return false end)
272 do -- 001 -----------------------------------------------
274 local traverse = node.direct.traverse
275 local function check_next_ickern(lp)
277 while lp and getid(lp) == id_kern and ( getsubtype(lp)==0 or
278 getsubtype(lp)==3 or ITALIC == get_attr_icflag(lp)) do
279 set_attr(lp, attr_icflag, IC_PROCESSED);
280 lx, lp = lp, node_next(lp)
282 Np.last = lx; return lp
285 local function calc_np_pbox(lp, last)
286 local first, nc = (not Np.first), nil
287 --local lpa = get_attr_icflag(lp)==PACKED and PACKED or KINSOKU -- KINSOKU: dummy
288 local lpa = get_attr_icflag(lp)
289 Np.first = Np.first or lp; Np.id = id_pbox
290 set_attr(lp, attr_icflag, get_attr_icflag(lp));
291 while lp ~=last and (lpa>=PACKED) and (lpa<BOXBDD) do
292 local lpi = getid(lp)
294 if lpi==id_rule then lp = node_next(lp) end
295 nc, lp = lp, node_next(lp)
296 elseif lpi==id_hlist or lpi==id_vlist then
297 head, lp, nc = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm pbox')
298 Np.first = first and nc or Np.first
300 nc, lp = lp, node_next(lp)
302 first, lpa = false, (lp and has_attr(lp, attr_icflag) or 0)
303 -- get_attr_icflag() ではいけない!
306 lp = check_next_ickern(lp)
307 Np.last_char = check_box_high(Np, Np.first, lp)
311 local calc_np_aux_glyph_common
312 do -- 002 ---------------------------------------
313 local min, max = math.min, math.max
314 local getwhd = node.direct.getwhd
315 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
316 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
317 local identifiers = fonts.hashes.identifiers
318 local function calc_np_notdef(lp)
319 local ident = identifiers[getfont(lp)]
320 if not ident.descriptions[getchar(lp)] then
321 local ln = node_next(lp)
322 if (ident.shared and ident.shared.features and ident.shared.features.notdef)
323 and ln and getid(ln)==id_glyph then
324 set_attr(lp, attr_icflag, PROCESSED)
325 set_attr(ln, attr_jchar_code, has_attr(lp, attr_jchar_code) or getchar(lp))
326 set_attr(ln, attr_jchar_class, has_attr(lp, attr_jchar_class) or 0)
332 function calc_np_aux_glyph_common(lp, acc_flag)
333 Np.nuc, Np.first = lp, (Np.first or lp)
334 if if_lang_ja(lp) then -- JAchar
336 local m, mc, cls = set_np_xspc_jachar(Np, lp)
338 local w, h, d = getwhd(lp)
339 if w==0 and h==0 and d==0 then lp = calc_np_notdef(lp) end
340 lp, head, npi, npf = capsule_glyph(lp, m, mc[cls], head, tex_dir)
341 Np.first = (Np.first~=Np.nuc) and Np.first or npf or npi
343 return true, check_next_ickern(lp);
346 set_np_xspc_alchar(Np, getchar(lp), lp, 1)
348 local first_glyph, last_glyph = lp
349 set_attr(lp, attr_icflag, PROCESSED); Np.last = lp
350 local y_adjust = has_attr(lp,attr_ablshift) or 0
351 local node_depth = getfield(lp, 'depth') + min(y_adjust, 0)
352 local adj_depth = (y_adjust>0) and (getfield(lp, 'depth') + y_adjust) or 0
353 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - y_adjust)
355 for lx in traverse(lp) do
356 local lai = get_attr_icflag(lx)
357 if lx==last or lai>=PACKED then
360 local lid = getid(lx)
361 if lid==id_glyph and not if_lang_ja(lx) then
363 last_glyph = lx; set_attr(lx, attr_icflag, PROCESSED); Np.last = lx
364 y_adjust = has_attr(lx,attr_ablshift) or 0
365 node_depth = max(getfield(lx, 'depth') + min(y_adjust, 0), node_depth)
366 adj_depth = (y_adjust>0) and max(getfield(lx, 'depth') + y_adjust, adj_depth) or adj_depth
367 setfield(lx, 'yoffset', getfield(lx, 'yoffset') - y_adjust)
368 elseif lid==id_kern then
369 local ls = getsubtype(lx)
370 if ls==2 then -- アクセント用の kern
371 set_attr(lx, attr_icflag, PROCESSED)
372 lx = node_next(lx) -- lx: アクセント本体
373 if getid(lx)==id_glyph then
374 setfield(lx, 'yoffset', getfield(lx, 'yoffset') - (has_attr(lx,attr_ablshift) or 0))
375 else -- アクセントは上下にシフトされている
376 setfield(lx, 'shift', getfield(lx, 'shift') + (has_attr(lx,attr_ablshift) or 0))
378 lx = node_next(node_next(lx))
381 elseif (ls==3) or (lai==ITALIC) then
382 Np.last = lx; set_attr(lx, attr_icflag, IC_PROCESSED)
392 if adj_depth>node_depth then
393 r = node_new(id_rule,3)
394 setfield(r, 'width', 0); setfield(r, 'height', 0)
395 setfield(r, 'depth',adj_depth); setfield(r, 'dir', tex_dir)
396 set_attr(r, attr_icflag, PROCESSED)
399 Np.last_char = last_glyph
400 if r then insert_after(head, first_glyph, r) end
405 local nf, nc = getfont(npn), getchar(npn)
406 local ct = (font.getfont(nf) or font.fonts[nf] ).characters[nc]
407 if not ct then -- variation selector
409 elseif (ct.left_protruding or 0) == 0 then
410 head = insert_before(head, npn, r)
411 Np.first = acc_flag and Np.first or ((Np.first==npn) and r or npn)
412 elseif (ct.right_protruding or 0) == 0 then
413 insert_after(head, npn, r); Np.last, lp = r, r
415 ltjb.package_warning_no_line(
417 'Check depth of glyph node ' .. tostring(npn) .. '(font=' .. nf
418 .. ', char=' .. nc .. '), because its \\lpcode is ' .. tostring(ct.left_protruding)
419 .. ' and its \\rpcode is ' .. tostring(ct.right_protruding)
427 end -- 002 ---------------------------------------
428 local calc_np_auxtable
429 do -- 002 ---------------------------------------
430 local ltjw_apply_ashift_math = ltjw.apply_ashift_math
431 local ltjw_apply_ashift_disc = ltjw.apply_ashift_disc
432 local node_end_of_math = node.direct.end_of_math
433 local dir_tate = luatexja.dir_table.dir_tate
434 local sid_start_link = node.subtype('pdf_start_link')
435 local sid_start_thread = node.subtype('pdf_start_thread')
436 local sid_end_link = node.subtype('pdf_end_link')
437 local sid_end_thread = node.subtype('pdf_end_thread')
439 [id_glyph] = calc_np_aux_glyph_common,
440 [id_hlist] = function(lp)
442 head, lp, op, flag = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm hlist')
443 set_attr(op, attr_icflag, PROCESSED)
444 Np.first = Np.first or op; Np.last = op; Np.nuc = op;
445 if (flag or getfield(op, 'shift')~=0) then
449 Np.last_char = check_box_high(Np, getlist(op), nil)
453 [id_vlist] = function(lp)
455 head, lp, op = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm:' .. getid(lp))
456 Np.first = Np.first or op; Np.last = op; Np.nuc = op;
460 box_like = function(lp)
461 Np.first = Np.first or lp; Np.last = lp; Np.nuc = lp;
463 return true, node_next(lp)
465 [id_whatsit] = function(lp)
466 local lps = getsubtype(lp)
467 if lps==sid_user then
468 if getfield(lp, 'user_id')==luatexja.userid_table.IHB then
469 local lq = node_next(lp);
470 head = node_remove(head, lp); node_free(lp); non_ihb_flag = false
473 set_attr(lp, attr_icflag, PROCESSED)
474 luatexbase.call_callback("luatexja.jfmglue.whatsit_getinfo",
477 Np.id = id_pbox_w; Np.first = Np.nuc; Np.last = Np.nuc;
478 return true, node_next(lp)
480 return false, node_next(lp)
484 -- we do special treatment for these whatsit nodes.
485 if lps == sid_start_link or lps == sid_start_thread then
487 elseif lps == sid_end_link or lps == sid_end_thread then
488 Np.first, Nq.last = nil, lp;
490 set_attr(lp, attr_icflag, PROCESSED)
491 return false, node_next(lp)
494 [id_math] = function(lp)
495 Np.first, Np.nuc = (Np.first or lp), lp;
496 set_attr(lp, attr_icflag, PROCESSED)
497 set_np_xspc_alchar(Np, -1, lp)
498 local end_math = node_end_of_math(lp)
499 ltjw_apply_ashift_math(lp, end_math, attr_ablshift)
500 set_attr(end_math, attr_icflag, PROCESSED)
501 Np.last, Np.id = end_math, id_math;
502 return true, node_next(end_math);
504 [id_glue] = function(lp)
505 Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
506 Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
507 return true, node_next(lp)
509 [id_disc] = function(lp)
510 Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
511 Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
512 ltjw_apply_ashift_disc(lp, (list_dir==dir_tate), tex_dir)
513 Np.last_char = check_box_high(Np, getfield(lp, 'replace'), nil)
514 return true, node_next(lp)
516 [id_kern] = function(lp)
517 if getsubtype(lp)==2 then
518 Np.first = Np.first or lp
519 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
520 if getid(lp)==id_glyph then -- アクセント本体
521 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - (has_attr(lp,attr_ablshift) or 0))
522 else -- アクセントは上下にシフトされている
523 setfield(lp, 'shift', getfield(lp, 'shift') + (has_attr(lp,attr_ablshift) or 0))
525 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
526 set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
527 set_attr(lp, attr_icflag, PROCESSED);
528 return calc_np_aux_glyph_common(lp, true)
530 Np.first = Np.first or lp
531 Np.id = id_kern; set_attr(lp, attr_icflag, PROCESSED)
532 Np.last = lp; return true, node_next(lp)
535 [id_penalty] = function(lp)
536 Bp[#Bp+1] = lp; set_attr(lp, attr_icflag, PROCESSED)
537 return false, node_next(lp)
540 end -- 002 ---------------------------------------
541 calc_np_auxtable[id_rule] = calc_np_auxtable.box_like
542 calc_np_auxtable[15] = calc_np_auxtable.box_like
544 local function calc_np_aux_skip (lp)
545 set_attr(lp, attr_icflag, PROCESSED)
546 return false, node_next(lp)
549 function calc_np(last, lp)
551 -- We assume lp = node_next(Np.last)
552 Np, Nq, non_ihb_flag = Nq, Np, true
553 -- We clear `predefined' entries of Np before pairs() loop,
554 -- because using only pairs() loop is slower.
555 Np.post, Np.pre, Np.xspc = nil, nil, nil
556 Np.first, Np.id, Np.last, Np.met, Np.class= nil, nil, nil, nil
557 Np.auto_kspc, Np.auto_xspc, Np.char, Np.nuc = nil, nil, nil, nil
558 for k in pairs(Np) do Np[k] = nil end
560 for k = 1,#Bp do Bp[k] = nil end
562 local lpa = has_attr(lp, attr_icflag) or 0
565 if lpa%PROCESSED_BEGIN_FLAG == BOXBDD then
566 local lq = node_next(lp)
567 head = node_remove(head, lp); node_free(lp); lp = lq
569 return calc_np_pbox(lp, last)
572 k, lp = (calc_np_auxtable[getid(lp)] or calc_np_aux_skip)(lp)
573 if k then return lp end
578 end -- 001 -----------------------------------------------
580 -- extract informations from Np
581 -- We think that "Np is a Japanese character" if Np.met~=nil,
582 -- "Np is an alphabetic character" if Np.pre~=nil,
583 -- "Np is not a character" otherwise.
584 local after_hlist = nil -- global
585 local after_alchar, extract_np
587 local PRE = luatexja.stack_table_index.PRE
588 local POST = luatexja.stack_table_index.POST
589 local KCAT = luatexja.stack_table_index.KCAT
590 local XSP = luatexja.stack_table_index.XSP
591 local dir_tate = luatexja.dir_table.dir_tate
594 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
595 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
596 local attr_autospc = luatexbase.attributes['ltj@autospc']
597 local attr_autoxspc = luatexbase.attributes['ltj@autoxspc']
598 local getcomponents = node.direct.getcomponents
599 --local ltjf_get_vert_glyph = ltjf.get_vert_glyph
600 function set_np_xspc_jachar(Nx, x)
601 local m = ltjf_font_metric_table[getfont(x)]
602 local c, c_glyph = (not getcomponents(x) and ltjs_orig_char_table[x]), getchar(x)
603 if c and c~=c_glyph then set_attr(x, attr_jchar_code, c) end
605 local cls = slow_find_char_class(c, m, c_glyph)
606 Nx.met, Nx.class, Nx.char = m, cls, c;
607 local mc = m.char_type; Nx.char_type = mc
608 if cls~=0 then set_attr(x, attr_jchar_class, cls) end
609 Nx.pre = table_current_stack[PRE + c] or 0
610 Nx.post = table_current_stack[POST + c] or 0
611 Nx.xspc = table_current_stack[XSP + c] or 3
612 Nx.kcat = table_current_stack[KCAT + c] or 0
613 Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
616 function set_np_xspc_jachar_hbox(Nx, x)
617 local m = ltjf_font_metric_table[getfont(x)]
618 local c = has_attr(x, attr_jchar_code) or getchar(x)
619 Nx.met, Nx.char = m, c; Nx.class = has_attr(x, attr_jchar_class) or 0;
620 local mc = m.char_type; Nx.char_type = mc
621 Nx.pre = table_current_stack[PRE + c] or 0
622 Nx.post = table_current_stack[POST + c] or 0
623 Nx.xspc = table_current_stack[XSP + c] or 3
624 Nx.kcat = table_current_stack[KCAT + c] or 0
625 Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
629 local floor = math.floor
630 local nullfunc = function(n) return n end
631 function set_np_xspc_alchar(Nx, c,x, lig)
633 local f = (lig ==1) and nullfunc or node_tail
634 local xc, xs = getcomponents(x), getsubtype(x)
635 while xc and xs and xs%4>=2 do
637 if getid(x)==id_disc then x, xc, xs = nil, getfield(x,'replace'), 2
638 else xc, xs = getcomponents(x), getsubtype(x) end
640 c = x and getchar(x) or c
641 Nx.pre = table_current_stack[PRE + c] or 0
642 Nx.post = table_current_stack[POST + c] or 0
644 Nx.pre, Nx.post = 0, 0
647 Nx.xspc = table_current_stack[XSP + c] or 3
648 Nx.auto_xspc = (has_attr(x, attr_autoxspc)==1)
650 local set_np_xspc_alchar = set_np_xspc_alchar
652 -- change the information for the next loop
653 -- (will be done if Nx is an alphabetic character or a hlist)
654 after_hlist = function (Nx)
655 local s = Nx.last_char
657 if getid(s)==id_glyph then
658 if if_lang_ja(s) then
659 set_np_xspc_jachar_hbox(Nx, s)
661 set_np_xspc_alchar(Nx, getchar(s), s, 2)
664 set_np_xspc_alchar(Nx, -1, s)
667 Nx.pre, Nx.met = nil, nil
671 after_alchar = function (Nx)
672 local x = Nx.last_char
673 return set_np_xspc_alchar(Nx, getchar(x), x, 2)
678 -------------------- 最下層の処理
680 luatexbase.create_callback('luatexja.adjust_jfmglue', 'simple', function(n) return n end)
682 -- change penalties (or create a new penalty, if needed)
683 local function handle_penalty_normal(post, pre, g)
684 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
685 local a = (pre or 0) + (post or 0)
687 if (a~=0 and not(g and getid(g)==id_kern)) then
688 local p = node_new(id_penalty)
689 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
690 setfield(p, 'penalty', a)
691 head = insert_before(head, Np.first, p)
693 set_attr(p, attr_icflag, KINSOKU)
695 else for _, v in pairs(Bp) do add_penalty(v,a) end
699 local function handle_penalty_always(post, pre, g)
700 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
701 local a = (pre or 0) + (post or 0)
703 if not (g and getid(g)==id_glue) or a~=0 then
704 local p = node_new(id_penalty)
705 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
706 setfield(p, 'penalty', a)
707 head = insert_before(head, Np.first, p)
709 set_attr(p, attr_icflag, KINSOKU)
711 else for _, v in pairs(Bp) do add_penalty(v,a) end
715 local function handle_penalty_suppress(post, pre, g)
716 luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
718 if g and getid(g)==id_glue then
719 local p = node_new(id_penalty)
720 setfield(p, 'penalty', 10000); head = insert_before(head, Np.first, p)
722 set_attr(p, attr_icflag, KINSOKU)
725 local a = (pre or 0) + (post or 0)
726 for _, v in pairs(Bp) do add_penalty(v,a) end
730 local function handle_penalty_jwp()
731 local a = table_current_stack[luatexja.stack_table_index.JWP]
732 if #widow_Bp == 0 then
734 local p = node_new(id_penalty)
735 if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
736 setfield(p, 'penalty', a)
737 head = insert_before(head, widow_Np.first, p)
739 set_attr(p, attr_icflag, KINSOKU)
741 else for _, v in pairs(widow_Bp) do add_penalty(v,a) end
745 -- 和文文字間の JFM glue を node 化
746 local function new_jfm_glue(mc, bc, ac)
747 -- bc, ac: char classes
751 return node_copy(g[1]), g.ratio, false, false, false
753 local f = node_new(id_glue)
754 set_attr(f, attr_icflag, g.priority)
755 setglue(f, g.width, g.stretch, g.shrink)
756 return f, g.ratio, g.kanjiskip_natural, g.kanjiskip_stretch, g.kanjiskip_shrink
762 -- Nq.last (kern w) .... (glue/kern g) Np.first
763 local function real_insert(g)
765 head = insert_before(head, Np.first, g)
771 -------------------- 和文文字間空白量の決定
774 local round = tex.round
775 local bg_ag = 2*id_glue - id_glue
776 local bg_ak = 2*id_glue - id_kern
777 local bk_ag = 2*id_kern - id_glue
778 local bk_ak = 2*id_kern - id_kern
780 local function blend_diffmet(b, a, rb, ra)
781 return round(luatexja.jfmglue.diffmet_rule((1-rb)*b+rb*a, (1-ra)*b+ra*a))
783 calc_ja_ja_aux = function (gb, ga, db, da)
784 if luatexja.jfmglue.diffmet_rule ~= math.two_pleft and diffmet_rule ~= math.two_pright
785 and luatexja.jfmglue.diffmet_rule ~= math.two_paverage then
790 gb = node_new(id_kern, 1); setfield(gb, 'kern', 0)
793 ga = node_new(id_kern, 1); setfield(ga, 'kern', 0)
796 local k = 2*getid(gb) - getid(ga)
799 setglue(gb, blend_diffmet(
800 getfield(gb, 'width'), getfield(ga, 'width'), db, da),
802 getfield(gb, 'stretch'), getfield(ga, 'stretch'), db, da),
804 -getfield(gb, 'shrink'), -getfield(ga, 'shrink'), db, da))
807 elseif k == bk_ak then
809 setfield(gb, 'kern', blend_diffmet(
810 getfield(gb, 'kern'), getfield(ga, 'kern'), db, da))
813 elseif k == bk_ag then
814 -- gb: kern, ga: glue
815 setglue(ga, blend_diffmet(
816 getfield(gb, 'kern'), getfield(ga, 'width'), db, da),
818 0, getfield(ga, 'stretch'), db, da),
820 0, -getfield(ga, 'shrink'), db, da))
824 -- gb: glue, ga: kern
825 setglue(gb, blend_diffmet(
826 getfield(gb, 'width'), getfield(ga, 'kern'), db, da),
828 getfield(gb, 'stretch'), 0, db, da),
830 -getfield(gb, 'shrink'), 0, db, da))
837 local null_skip_table = {0, 0, 0}
839 local get_kanjiskip, kanjiskip_jfm_flag
840 local get_kanjiskip_low
841 local calc_ja_ja_glue
843 local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
844 local KANJI_SKIP_JFM = luatexja.icflag_table.KANJI_SKIP_JFM
846 get_kanjiskip_low = function(flag, qm, bn, bp, bh)
847 if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
848 if kanjiskip_jfm_flag then
849 local g = node_new(id_glue);
850 local bk = qm.kanjiskip or null_skip_table
851 setglue(g, bn and (bn*bk[1]) or 0,
852 bp and (bp*bk[2]) or 0,
853 bh and (bh*bk[3]) or 0, 0, 0)
854 set_attr(g, attr_icflag, KANJI_SKIP_JFM)
857 return node_copy(kanji_skip)
859 local g = node_new(id_glue);
861 bn and (bn*getfield(kanji_skip, 'width')) or 0,
862 bp and (bp*getfield(kanji_skip, 'stretch')) or 0,
863 bh and (bh*getfield(kanji_skip, 'shrink')) or 0,
865 set_attr(g, attr_icflag, KANJI_SKIP_JFM)
871 get_kanjiskip = function()
872 if Np.auto_kspc==0 or Nq.auto_kspc==0 then
874 elseif Np.auto_kspc or Nq.auto_kspc then
875 local pm, qm = Np.met, Nq.met
876 if (pm.char_type==qm.char_type) and (qm.var==pm.var) then
877 return get_kanjiskip_low(true, qm, 1, 1, 1)
879 local gb = get_kanjiskip_low(true, qm, 1, 1, 1)
880 local ga = get_kanjiskip_low(true, pm, 1, 1, 1)
881 return calc_ja_ja_aux(gb, ga, 0, 1)
884 local g = node_new(id_glue)
885 set_attr(g, attr_icflag, kanjiskip_jfm_flag and KANJI_SKIP_JFM or KANJI_SKIP)
890 calc_ja_ja_glue = function ()
891 local qm, pm = Nq.met, Np.met
892 local qmc, pmc = qm.char_type, pm.char_type
893 if (qmc==pmc) and (qm.var==pm.var) then
894 local g, _, kn, kp, kh = new_jfm_glue(qmc, Nq.class, Np.class)
895 return g, (Np.auto_kspc or Nq.auto_kspc) and get_kanjiskip_low(false, qm, kn, kp, kh)
897 local npn, nqn = Np.nuc, Nq.nuc
898 local gb, db, bn, bp, bh
899 = new_jfm_glue(qmc, Nq.class,
900 slow_find_char_class(Np.char,
902 local ga, da, an, ap, ah
904 slow_find_char_class(Nq.char,
907 local g = calc_ja_ja_aux(gb, ga, db, da)
909 if (pmc==qmc) and (qm.var==pm.var) then
910 gb = get_kanjiskip_low(false, qm, bn, bp, bh)
911 ga = get_kanjiskip_low(false, pm, an, ap, ah)
912 k = calc_ja_ja_aux(gb, ga, db, da)
919 -------------------- 和欧文間空白量の決定
922 local get_xkanjiskip, xkanjiskip_jfm_flag
923 local get_xkanjiskip_normal, get_xkanjiskip_jfm
924 local get_xkanjiskip_low
926 local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
927 local XKANJI_SKIP_JFM = luatexja.icflag_table.XKANJI_SKIP_JFM
929 get_xkanjiskip_low = function(flag, qm, bn, bp, bh)
930 if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
931 if xkanjiskip_jfm_flag then
932 local g = node_new(id_glue);
933 local bk = qm.xkanjiskip or null_skip_table
934 setglue(g, bn and bk[1] or 0,
936 bh and bk[3] or 0, 0, 0)
937 set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
940 return node_copy(xkanji_skip)
942 local g = node_new(id_glue);
944 bn and (bn*getfield(xkanji_skip, 'width')) or 0,
945 bp and (bp*getfield(xkanji_skip, 'stretch')) or 0,
946 bh and (bh*getfield(xkanji_skip, 'shrink')) or 0,
948 set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
954 get_xkanjiskip = function(Nn)
955 if Np.auto_xspc==0 or Nq.auto_xspc==0 then
957 elseif (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then
958 return get_xkanjiskip_low(true, Nn.met, 1, 1, 1)
960 local g = node_new(id_glue)
961 set_attr(g, attr_icflag, xkanjiskip_jfm_flag and XKANJI_SKIP_JFM or XKANJI_SKIP)
967 -------------------- 隣接した「塊」間の処理
969 local function combine_spc(name)
970 return (Np[name] or Nq[name]) and ((Np[name]~=0) and (Nq[name]~=0))
973 -- NA, NB: alchar or math
974 local function get_NA_skip()
976 local g, _, kn, kp, kh = new_jfm_glue(
978 fast_find_char_class(
979 (Nq.id == id_math and -1 or (Nq.xspc>=2 and 'alchar' or 'nox_alchar')), pm),
981 local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
982 and get_xkanjiskip_low(false, pm, kn, kp, kh)
985 local function get_NB_skip()
987 local g, _, kn, kp, kh = new_jfm_glue(
988 qm.char_type, Nq.class,
989 fast_find_char_class(
990 (Np.id == id_math and -1 or (Np.xspc%2==1 and 'alchar' or 'nox_alchar')), qm)
992 local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
993 and get_xkanjiskip_low(false, qm, kn, kp, kh)
997 local function get_OA_skip(is_kanji)
999 local g, _, kn, kp, kh = new_jfm_glue(
1001 fast_find_char_class(
1002 (((Nq.id==id_glue)or(Nq.id==id_kern)) and 'glue' or 'jcharbdd'), pm),
1006 k = combine_spc('auto_kspc') and get_kanjiskip_low(false, pm, kn, kp, kh)
1010 local function get_OB_skip(is_kanji)
1012 local g, _, kn, kp, kh = new_jfm_glue(
1013 qm.char_type, Nq.class,
1014 fast_find_char_class(
1015 (((Np.id==id_glue)or(Np.id==id_kern)) and 'glue' or 'jcharbdd'), qm))
1018 k = combine_spc('auto_kspc') and get_kanjiskip_low(false, qm, kn, kp, kh)
1023 -- (anything) .. jachar
1024 local function handle_np_jachar(mode)
1026 if qid==id_jglyph or ((qid==id_pbox or qid==id_pbox_w) and Nq.met) then
1028 if non_ihb_flag then g, k = calc_ja_ja_glue() end -- M->K
1029 if not g then g = get_kanjiskip() end
1030 handle_penalty_normal(Nq.post, Np.pre, g);
1031 real_insert(g); real_insert(k)
1032 elseif Nq.met then -- qid==id_hlist
1034 if non_ihb_flag then g, k = get_OA_skip(0) end -- O_A->K
1035 if not g then g = get_kanjiskip() end
1036 handle_penalty_normal(0, Np.pre, g); real_insert(g); real_insert(k)
1039 if non_ihb_flag then g, k = get_NA_skip() end -- N_A->X
1040 if not g then g = get_xkanjiskip(Np) end
1041 handle_penalty_normal((qid==id_hlist and 0 or Nq.post), Np.pre, g);
1042 real_insert(g); real_insert(k)
1044 local g = non_ihb_flag and (get_OA_skip()) -- O_A
1045 if qid==id_glue then handle_penalty_normal(0, Np.pre, g)
1046 elseif qid==id_kern then handle_penalty_suppress(0, Np.pre, g)
1047 else handle_penalty_always(0, Np.pre, g)
1051 if mode and Np.kcat%2~=1 then
1052 widow_Np.first, widow_Bp, Bp = Np.first, Bp, widow_Bp
1057 -- jachar .. (anything)
1058 local function handle_nq_jachar()
1060 local g = non_ihb_flag and get_NB_skip() or get_xkanjiskip(Nq) -- N_B->X
1061 handle_penalty_normal(Nq.post, (Np.id==id_hlist and 0 or Np.pre), g); real_insert(g)
1063 local g =non_ihb_flag and (get_OB_skip()) -- O_B
1064 if Np.id==id_glue then handle_penalty_normal(Nq.post, 0, g)
1065 elseif Np.id==id_kern then handle_penalty_suppress(Nq.post, 0, g)
1066 else handle_penalty_always(Nq.post, 0, g)
1072 -- (anything) .. (和文文字で始まる hlist)
1073 local function handle_np_ja_hlist()
1075 if qid==id_jglyph or ((qid==id_pbox or qid == id_pbox_w) and Nq.met) then
1076 local g = non_ihb_flag and get_OB_skip(0) or get_kanjiskip() -- O_B->K
1077 handle_penalty_normal(Nq.post, 0, g); real_insert(g)
1078 elseif Nq.met then -- Nq.id==id_hlist
1079 local g = get_kanjiskip() -- K
1080 handle_penalty_suppress(0, 0, g); real_insert(g)
1082 local g = get_xkanjiskip(Np) -- X
1083 handle_penalty_suppress(0, 0, g); real_insert(g)
1087 -- (和文文字で終わる hlist) .. (anything)
1088 local function handle_nq_ja_hlist()
1090 local g = get_xkanjiskip(Nq) -- X
1091 handle_penalty_suppress(0, 0, g); real_insert(g)
1096 -- Nq が前側のクラスタとなることによる修正
1099 local adjust_nq_aux = {
1100 [id_glyph] = function() after_alchar(Nq) end, -- after_alchar(Nq)
1101 [id_hlist] = function() after_hlist(Nq) end,
1102 [id_pbox] = function() after_hlist(Nq) end,
1103 [id_disc] = function() after_hlist(Nq) end,
1104 [id_pbox_w] = function()
1105 luatexbase.call_callback("luatexja.jfmglue.whatsit_after",
1110 adjust_nq=function()
1111 local x = adjust_nq_aux[Nq.id]
1117 -------------------- 開始・終了時の処理
1119 local node_prev = node.direct.getprev
1121 local function handle_list_tail(mode, last)
1124 -- the current list is to be line-breaked.
1125 -- Insert \jcharwidowpenalty
1126 if widow_Np.first then handle_penalty_jwp() end
1129 -- the current list is the contents of a hbox
1130 local npi, pm = Np.id, Np.met
1131 if npi == id_jglyph or (npi==id_pbox and pm) then
1132 local g = new_jfm_glue(pm.char_type, Np.class, fast_find_char_class('boxbdd', pm))
1134 set_attr(g, attr_icflag, BOXBDD)
1135 head = insert_after(head, Np.last, g)
1142 local function handle_list_head(par_indented)
1143 local npi, pm = Np.id, Np.met
1144 if npi == id_jglyph or (npi==id_pbox and pm) then
1145 if non_ihb_flag then
1146 local g = new_jfm_glue(pm.char_type, fast_find_char_class(par_indented, pm), Np.class)
1148 set_attr(g, attr_icflag, BOXBDD)
1149 if getid(g)==id_glue and #Bp==0 then
1150 local h = node_new(id_penalty)
1151 setfield(h, 'penalty', 10000); set_attr(h, attr_icflag, BOXBDD)
1153 head = insert_before(head, Np.first, g)
1160 -- return value: (the initial cursor lp), (last node)
1163 local id_local = node.id('local_par')
1164 local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
1165 local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
1166 local KSK = luatexja.stack_table_index.KSK
1167 local XSK = luatexja.stack_table_index.XSK
1168 local dir_yoko = luatexja.dir_table.dir_yoko
1169 local dir_tate = luatexja.dir_table.dir_tate
1170 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
1171 local attr_tablshift = luatexbase.attributes['ltj@tablshift']
1172 local table_pool = {
1173 {}, {}, {first=nil},
1174 { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
1175 first=nil, id=nil, last=nil, met=nil, nuc=nil,
1176 post=nil, pre=nil, xspc=nil, },
1177 { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
1178 first=nil, id=nil, last=nil, met=nil, nuc=nil,
1179 post=nil, pre=nil, xspc=nil, },
1181 init_var = function (mode,dir)
1182 -- 1073741823: max_dimen
1183 Bp, widow_Bp, widow_Np, Np, Nq
1184 = table_pool[1], table_pool[2], table_pool[3], table_pool[4], table_pool[5]
1185 for i=1,5 do for j,_ in pairs(table_pool[i]) do table_pool[i][j]=nil end end
1186 table_current_stack = ltjs.table_current_stack
1188 list_dir, tex_dir = (ltjs.list_dir or dir_yoko), (dir or 'TLT')
1189 local is_dir_tate = list_dir==dir_tate
1190 capsule_glyph = is_dir_tate and ltjw.capsule_glyph_tate or ltjw.capsule_glyph_yoko
1191 attr_ablshift = is_dir_tate and attr_tablshift or attr_yablshift
1192 local TEMP = node_new(id_glue)
1193 -- TEMP is a dummy node, which will be freed at the end of the callback.
1194 -- ithout this node, set_attr(kanji_skip, ...) somehow creates an "orphaned" attribute list.
1197 kanji_skip, kanjiskip_jfm_flag = skip_table_to_glue(KSK)
1198 set_attr(kanji_skip, attr_icflag, KANJI_SKIP)
1202 xkanji_skip, xkanjiskip_jfm_flag = skip_table_to_glue(XSK)
1203 set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP)
1207 -- the current list is to be line-breaked:
1208 -- hbox from \parindent is skipped.
1209 local lp, par_indented, lpi, lps = head, 'boxbdd', getid(head), getsubtype(head)
1211 ((lpi==id_whatsit and lps~=sid_user)
1212 or ((lpi==id_hlist) and (lps==3))
1213 or (lpi==id_local)) do
1214 if (lpi==id_hlist) and (lps==3) then
1215 Np.char, par_indented = 'parbdd', 'parbdd'
1216 Np.width = getfield(lp, 'width')
1218 lp=node_next(lp); lpi, lps = getid(lp), getsubtype(lp) end
1219 return lp, node_tail(head), par_indented, TEMP
1221 return head, nil, 'boxbdd', TEMP
1226 local ensure_tex_attr = ltjb.ensure_tex_attr
1227 local function cleanup(mode, TEMP)
1228 -- luatexja.ext_show_node_list(to_node(head), '> ', print)
1229 -- adjust attr_icflag for avoiding error
1230 if tex.getattribute(attr_icflag)~=0 then ensure_tex_attr(attr_icflag, 0) end
1231 node_free(kanji_skip);
1232 node_free(xkanji_skip); node_free(TEMP)
1235 local h = node_next(head)
1236 if getid(h) == id_penalty and getfield(h, 'penalty') == 10000 then
1238 if getid(h) == id_glue and getsubtype(h) == 15 and not node_next(h) then
1245 -------------------- 外部から呼ばれる関数
1248 function luatexja.jfmglue.main(ahead, mode, dir)
1249 if not ahead then return ahead end
1250 --luatexja.ext_show_node_list(to_node(ahead ), '>B ', print)
1253 local lp, last, par_indented, TEMP = init_var(mode,dir)
1254 lp = calc_np(last, lp)
1256 handle_list_head(par_indented)
1257 lp = calc_np(last,lp);
1260 local pid, pm = Np.id, Np.met
1262 if pid == id_jglyph then
1263 handle_np_jachar(mode)
1265 if pid==id_hlist then handle_np_ja_hlist()
1266 else handle_np_jachar() end
1268 if Nq.id==id_hlist then handle_nq_ja_hlist()
1269 else handle_nq_jachar() end
1271 lp = calc_np(last,lp)
1273 handle_list_tail(mode, last)
1275 --luatexja.ext_show_node_list(to_node(ahead ), '>A ', print)
1277 return cleanup(mode, TEMP)
1282 local IHB = luatexja.userid_table.IHB
1283 local BPAR = luatexja.userid_table.BPAR
1284 local BOXB = luatexja.userid_table.BOXB
1285 local node_prev = node.direct.getprev
1286 local node_write = node.direct.write
1289 function luatexja.jfmglue.create_inhibitglue_node()
1290 local tn = node_new(id_whatsit, sid_user)
1291 setfield(tn, 'user_id', IHB)
1292 setfield(tn, 'type', 100)
1293 setfield(tn, 'value', 1)
1297 -- Node for indicating beginning of a paragraph
1298 -- (for ltjsclasses)
1299 function luatexja.jfmglue.create_beginpar_node()
1300 local tn = node_new(id_whatsit, sid_user)
1301 setfield(tn, 'user_id', BPAR)
1302 setfield(tn, 'type', 100)
1303 setfield(tn, 'value', 1)
1307 -- Node for indicating a head/end of a box
1308 function luatexja.jfmglue.create_boxbdd_node()
1309 local tn = node_new(id_whatsit, sid_user)
1310 setfield(tn, 'user_id', BOXB)
1311 setfield(tn, 'type', 100)
1312 setfield(tn, 'value', 1)
1316 local function whatsit_callback(Np, lp, Nq)
1317 if Np and Np.nuc then return Np
1318 elseif Np and getfield(lp, 'user_id') == BPAR then
1319 Np.first = lp; Np.nuc = lp; Np.last = lp
1321 elseif Np and getfield(lp, 'user_id') == BOXB then
1322 Np.first = lp; Np.nuc = lp; Np.last = lp
1325 Np.class = fast_find_char_class('boxbdd', Nq.met)
1327 Np.met = Nq.met; Np.pre = 0; Np.post = 0; Np.xspc = 0
1328 Np.auto_xspc, Np.auto_kspc = 0, 0
1336 local function whatsit_after_callback(s, Nq, Np)
1337 if not s and getfield(Nq.nuc, 'user_id') == BPAR then
1338 local x, y = node_prev(Nq.nuc), Nq.nuc
1339 Nq.first, Nq.nuc, Nq.last = x, x, x
1342 Nq.class = fast_find_char_class('parbdd', Np.met)
1344 Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
1345 Nq.auto_xspc, Nq.auto_kspc = 0, 0
1347 head = node_remove(head, y)
1349 elseif not s and getfield(Nq.nuc, 'user_id') == BOXB then
1350 local x, y = node_prev(Nq.nuc), Nq.nuc
1351 Nq.first, Nq.nuc, Nq.last = x, x, x
1354 Nq.class = fast_find_char_class('boxbdd', Np.met)
1356 Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
1357 Nq.auto_xspc, Nq.auto_kspc = 0, 0
1359 head = node_remove(head, y)
1365 luatexbase.add_to_callback("luatexja.jfmglue.whatsit_getinfo", whatsit_callback,
1366 "luatexja.beginpar.np_info", 1)
1367 luatexbase.add_to_callback("luatexja.jfmglue.whatsit_after", whatsit_after_callback,
1368 "luatexja.beginpar.np_info_after", 1)
1372 luatexja.jfmglue.after_hlist = after_hlist
1373 luatexja.jfmglue.check_box_high = check_box_high