X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=doc%2Fjfmglue.tex;h=d44ee51b4f2ed6e5d7dc9c27c0f3e16b60c1546c;hb=53f7e2d9406b8186bc4453cb6c13ac0f3b4156cb;hp=7da19e0390c1d1a8ec3aea87bae456cdfa55cf36;hpb=8be0b58b798d2368de1ee48cbbfd717f7ff06c3f;p=luatex-ja%2Fluatexja.git diff --git a/doc/jfmglue.tex b/doc/jfmglue.tex index 7da19e0..d44ee51 100644 --- a/doc/jfmglue.tex +++ b/doc/jfmglue.tex @@ -6,13 +6,16 @@ \setbox0=\hbox{\kern.5em$\mathstrut#1$\kern.5em}\dp0=0pt \hbox{\vrule $\vcenter{\hsize=\wd0\hrule\kern.5ex\copy0\kern.5ex\hrule}$% - \vrule\kern.1em}} + \vrule\kern.1em}{}} \def\nk{{\rm kern}\ } \def\ng{{\rm glue}\ } \def\np{{\rm penalty}\ } \def\z{\,{\rm zw}} \jfont\tenmini={file:ipam.ttf:slant=0.5;jfm=ujis} at 13\jQ \def\mibox#1{\hbox{\it #1\/}}\def\IT#1{{\it #1\/}} +\ltjsetparameter{alxspmode={`\$,allow}} +\ltjsetparameter{alxspmode={`\\,allow}} +\ltjsetparameter{alxspmode={`\',allow}} \centerline{\big Lua\TeX-ja åæå¦çã°ã«ã¼ã«ã¤ãã¦}\bigskip 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´åï¼\IT{id\_jglyph}ï¼ +\itemitem 4.ã«ãããã®ã§ããï¼$p$ãåç´å¤ä½ãnon-zeroãªhboxï¼ +ãããã¯vbox, ruleã ã£ãå ´åï¼\IT{id\_box\_like}ï¼ +\itemitem ãã以å¤ã®å ´åï¼node~$p$ã®ç¨®å¥ã表ãæ°å¤$p.\mibox{id}$ãã®ãã®ï¼ +ï¼æ°å¤ãã®ãã®ã ã¨ä½¿ãåæãæªãã®ã§ï¼\IT{id\_glyph}, \IT{id\_glue}, \IT{id\_kern}ãªã©ã¨ +å¥åãå®ç¾©ãã¦ããï¼ \enditem -\beginparagraph åææåã¨kernã®éï¼kernã¨åææåã®é - -åææåã®å¾ã«kernãç¶ããå ´åï¼ãããã¯kernã®å¾ã«åææåãç¶ããå ´åï¼ -ãã®éã§è¡åå²ã¯ã§ããªããã®ã¨ãã¦ããï¼ãã®ããï¼ -以ä¸ã®3ã±ã¼ã¹ã«éãããï¼ -\enum $g$: kernã®ã¨ã -$$\ncount=0 -\node{q} -\node{g}_{\rm J} -\node{p} -$$ - -\enum $g$: glueã®ã¨ã -$$\ncount=0 -\node{q} -\node{\np 10000}_{\rm K} -\node{g}_{\rm J} -\node{p} -$$ - -\enum $g=\emptyset$ã®ã¨ã -$$\ncount=0 -\node{q} -\node{p} -$$ +\medskip\noindent{\bf å®ç¾©}\quad +ã\IT{Np}ã®ä¸èº«ã®å é ããæå³ãã$\mibox{head}(\mibox{Np})$ã¯ï¼ä»¥ä¸ã§å®ç¾©ãããï¼ + +\noindent{\small ï¼èª¬æã®é½åä¸ä½ã£ãè¨æ³ã§ï¼Luaã½ã¼ã¹ä¸ã«ã¯ãã®ãããªæ¸ãæ¹ã¯ãªãï¼} + +\item \IT{Np.id}ã\IT{id\_hlist}ã®å ´åï¼å¾ã«è¿°ã¹ã{\tt check\_box}é¢æ°ãç¨ãã¦ï¼ 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ï¼ -è¡é ã®å 容ï¼ããã«è¡åå²ããªãã¨ãã®å 容 ã®3ã¤ããªã¹ãã®å½¢ã§ -æã£ã¦ããï¼|linebreak.w|ãè¦ãéãï¼Lua\TeX ã§ã ,, ã® -ä¸èº«ã«ã¯glueãpenaltyã許容ãã¦ããªãããã ï¼ +\enum ({\tt handle\_list\_tail}) +ãªã¹ãã®æå¾ã«ããå¡\IT{Nq}ãæ±ã¾ã£ãã®ã§ï¼ãã®å¡ã¨ãªã¹ããæ«å°¾ãã®éã«åæå¦çã°ã«ã¼ãæ¿å ¥ï¼ -ç¾è¡ã®å®è£ ã§ã¯ï¼ ,, ã®ã©ããï¼åæãã©ã³ãã¸ã®ç½®æã® -段éãããã¦è¡ããã¦ããªãï¼ã ããä¸èº«ã¯å ¨é¨æ¬§ææ±ãã¨ãªãï¼ï¼ -{\small åç´ã«ãµãã£ã¦ãã¾ãã|^^;|} - ,, ã®ä¸èº«ã«glueãpenaltyã許容ãããªããã¨ããï¼ -ãããã«å¯¾ããåæç¨å¦çã®æ¹æ³ã¨ãã¦ï¼æ¬¡ã®2種é¡ãæããããï¼ -ç§ã¯åè ã§è¯ãã®ã§ã¯ãªããã¨æã£ã¦ããã®ã ãâ¦â¦ï¼ -\itemitem ï¼ç¾è¡ã®ã¾ã¾ï¼discretionary breakã®ä¸èº«ã«åææåã¯ãªããã®ã¨æ³å®ããï¼ -ä¾ãã° ã®ä¸èº«ã«åææåãå ¥ãããå ´åã¯ï¼ã®ä¸èº«å ¨ä½ã -å¿ ãhboxã§æ¬ããã¨ã¨ããï¼ -\itemitem ãglueãæ¿å ¥ããå ¨é¨ãèªç¶é·ã ããåãåºããkernãæ¿å ¥ãã«ç½®ãæãï¼ -æ®æ®µã®åæå¦çã°ã«ã¼æ¿å ¥å¦çãæµç¨ããï¼ +\enum $\mibox{mode}=\bot$ã®å ´åï¼çªäººã¨ãªãkernã1.ã«ããã¦æ¿å ¥ããã®ã§ï¼ãã®çªäººãåé¤ããï¼ +\enditem -\item {\bf æ°å¼ã®åãæ±ã} +\beginsection ãªã¹ãå é ã»æ«å°¾ã®å¦çã¨ãboxã®å 容ã -ã¾ã 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a:=\mibox{Nq.post}+\mibox{Np.pre}.$$ +\item +å ¨ã¦ã®\IT{Bp}ã®å ã«å¯¾ãã¦è¡ãã®ã¯ï¼ +å®éã«ã¯ã©ã®penaltyã®ä½ç½®ã§è¡åå²ãè¡ãããããããããªãããã§ããï¼ +\item æ°ãã¼ã¸åã®è¡¨ã§ï¼å·¦ä¸ããÃã or ã---ãã¨ãªã£ã¦ããå ´åã¯ï¼ä¸ã®è¨ç®å¼ã«ãã㦠+\IT{Nq.post}ã¯0ã¨æ±ãããï¼å³ä¸ããÃã or ã---ããªãï¼\IT{Np.pre}ã0ã¨æ±ãããï¼ +\item penaltyå¤ã®è¨ç®ã§ã¯ï¼$+10000$ã¯æ£ã®ç¡é大ï¼$-10000$ã¯è² ã®ç¡é大ã¨ãã¦æ±ã£ã¦ããï¼ +ãã®ããï¼$a$ã®è¨ç®ã$p.\mibox{penalty}$ã¸ã®å ç®ä»£å ¥ã®ã¨ããã§ã¯ï¼ +é常ã®å æ¸ç®ã§çµ¶å¯¾å¤ã10000ãè¶ãããåã¯ã«ãããï¼ããã«$(10000)+(-10000)=0$ã¨ãã¦ããï¼ +\enditem -\item $\hbox{\tt subtype}=2$ï¼ã¢ã¯ã»ã³ãç±æ¥ï¼ã®å ´åï¼ +$\#\mibox{Bp}=0$ã®å ´åãï¼penaltyæ¿å ¥ã®3種é¡ã®æ¹æ³ãnormalããalwaysããsuppressã㧠+ç°ãªãé¨åã§ããï¼ -\IT{np}ã¯ãªã¹ãã®å é ããèµ°æ»ããã¦ãããã¨ããï¼\IT{np}ã«ç¶ãnodeã®ä¸¦ã³ã¯ -$$\ncount=0 -\node{\mibox{np}=\nk\!\!} -\node{\hbox{ã¢ã¯ã»ã³ãæå}} -\node{\nk\!\!} -\node{\hbox{ã¢ã¯ã»ã³ãã®ã¤ãæå}} +\item {\bfãnormalãã®å ´åï¼} +次ã®å ´åã«ï¼$p.\mibox{penalty}=a$ã§ããpenalty~$p$ãä½æãï¼ +ãããï¼M, Kä»ã®glueæ¿å ¥åã«ï¼\IT{Np.first}ã®ç´åã«æ¿å ¥ããï¼ $$ -ã¨ãªã£ã¦ããï¼p\TeX-3.2ã¨åæ§ã«ï¼Lua\TeX-jaã§ã¯|\[x]kanjiskip|æ¿å ¥å¦ç㧠-ã¢ã¯ã»ã³ãæåã¯ç¡è¦ãããã¨ã«ãã¦ããï¼ãã®ããï¼ -\IT{nq}ã¯å¤åããï¼æ¬¡åã®ã«ã¼ãã§å¦ç対象ã¨ãªã\IT{np}㯠-$\mibox{np}\leftarrow -\mibox{next\/}(\mibox{next\/}(\mibox{next\/}(\mibox{np})))$ã¨ãªãï¼ -\enditem - -\beginparagraph \IT{np}ãæ°å¼å¢ç (\IT{math\_node})ã®å ´å - -æ°å¼å¢çã¯ï¼ä¾¿å®çã«ãæåã³ã¼ãã$-1$ã§ããæåãã¨ã¿ãªãã¦å é¨ã§å¦çãã¦ããï¼ - -\beginparagraph ãã®ä»ã®å ´å - -以ä¸ã«åºã¦ãã¦ããªãnodeï¼vbox, rule, discretionary break, glue, margin\_kernï¼ã® -å¨å²ã«ã¯|\[x]kanjiskip|ã®æ¿å ¥ã¯è¡ãããªãï¼ - -\beginsection JFMç±æ¥ã°ã«ã¼ã¨ã®é¢ä¿ã®ä¾ - -æå¾ã«ï¼ä»ã¾ã§èª¬æããï¼JFMç±æ¥ã°ã«ã¼ã¨|\[x]kanjiskip|ã®å¦çã«ãã£ã¦ï¼å®éã«ã©ã®ããã«nodeã® -並ã³ãå¤ããããããã¤ãã®ä¾ã§ç¤ºãï¼ä¸ä»ãã§$*$ãã¤ãã¦ããnodeã¯ï¼å¤ã0ã ã¨æ¿å ¥ãããªããã¨ã示ãï¼ - -\item {\bf ä¾1: 2ã¤ã®é£ç¶ããåææåã®é} -\setbox1=\hbox{|\kanjiskip|} -$$\ncount=0 -\vbox{\halign{$#$\hfil\cr -\node{\hbox{åææå}}\node{\hbox{åææå}} -\cr -\hfil\Downarrow\cr -\vadjust{\bigskip} -\node{\hbox{åææå}} -\node{\nk w}_{\rm E}^* -\node{\np P}^*\longrightarrow -\left\{\vcenter{% -\halign{$#$\hfil\cr -\ncount=0\node{{\rm glue/kern}\ g+w}_{\rm J}\cr -\ncount=0\node{\ng \copy1}_{\rm KS}\cr -}}\right\} -\node{\hbox{åææå}}\cr -}} +\hbox{左空ç½ï¼Eï¼ãåå¨ãã¦ãããï¼$a\neq 0$ãã¤å³ç©ºç½ãkernã§ããï¼} $$ - -\item {\bf ä¾2: åææåã¨æ¬§ææåã®é} -\setbox1=\hbox{|\xkanjiskip|} -$$\ncount=0 -\vbox{\halign{$#$\hfil\cr -\node{\hbox{åææå}}\node{\hbox{欧ææå}} -\cr -\hfil\Downarrow\cr -\vadjust{\bigskip} -\node{\hbox{åææå}} -\node{\nk w}_{\rm E}^* -\node{\np P}\longrightarrow -\left\{\vcenter{% -\halign{$#$\hfil\cr -\ncount=0\node{{\rm glue/kern}\ g+w}_{\rm J}\cr -\ncount=0\node{\ng \copy1}_{\rm XS}\cr -}}\right\}^* -\node{\hbox{欧ææå}}\cr -}} +\item {\bfãalwaysãã®å ´åï¼} +ãã®å ´åã¯ï¼\IT{Nq}, \IT{Np}ã®éã§å¸¸ã«è¡åå²å¯è½ã«ãããã®ã§ï¼æ¿å ¥ããæ¡ä»¶ã¯ä»¥ä¸ã®ããã«ãªãï¼ $$ - -\par\vfill\eject -\item {\bf ä¾3: 2ã¤ã®åææåã®éã«ããã¤ãã®ãç¡è¦ããããnodeé} -\setbox1=\hbox{|\kanjiskip|} -$$\ncount=0 -\vbox{\halign{$\relax#$\hfil&$\relax#$\hfil\cr -\node{\hbox{åå}\ A}& -\ncount=1\node{\nk i_A}_{\rm I} -\longrightarrow \cdots -\node{\np p_B} -\node{\hbox{åå}\ B} -\cr -\span\Downarrow\cr -\vadjust{\bigskip} -% T -\node{\hbox{åå}\ A}& -\ncount=1\node{\nk w_A}_{\rm E}^* -\node{\np P_A}_{\rm K}^* -\node{\nk {-w_A}}_{\rm T}^* -\node{\nk i_A}_{\rm I} -\longrightarrow \cdots\cr -&\ncount=1\node{\np p_B} -\node{\np P_B}^*\longrightarrow -\left\{\vcenter{% -\halign{$#$\hfil\cr -\ncount=0\node{{\rm glue/kern}\ g_B}_{\rm J}\cr -\ncount=0\node{\copy1}_{\rm KS}\cr -}}\right\} -\node{\hbox{åå}\ B}\cr -\span\hbox{or}\cr -% T -\node{\hbox{åå}\ A}& -\ncount=1\node{\nk w_A}_{\rm E}^* -\node{\np P_A}_{\rm K}^* -\node{{\rm glue/kern}\ g_A-w_A}_{\rm J} -\node{\nk i_A}_{\rm I}\cr -&\ncount=1 -\longrightarrow \cdots -\node{\np p_B} -\node{\np P_B} -\node{{\rm glue/kern}\ g_B}_{\rm J}^* -\node{\hbox{åå}\ B}\cr -}} +\hbox{左空ç½ï¼Eï¼ãåå¨ãã¦ãããï¼å³ç©ºç½ãglueã§ãªãï¼ã¤ã¾ãï¼kernãæªå®ç¾©ã®ã¨ãï¼ï¼} $$ -ããã§ï¼ -\itemitem $w_A$: åææå$A$ã¨è¡æ«ã®éã«å ¥ãkernéï¼ -\itemitem $P_A$: åææå$A$ã®è¡æ«ç¦åç¨penaltyï¼ -\itemitem $g_A$: åææå$A$ã¨|'jcharbdd'|ã¨ã®éã«å ¥ãglue/kernï¼ -\itemitem $P_B$: åææå$B$ã®è¡é ç¦åç¨penaltyï¼ -\itemitem $g_B$: |'jcharbdd'|ã¨åææå$B$ã®éã«å ¥ãglue/kernï¼ + +\item {\bfãsuppressãã®å ´åï¼}ãã®ã¨ãï¼\IT{Nq}ã¨\IT{Np}ã®éã§ã®è¡åå²ã¯å ã ä¸å¯è½ã§ããï¼ +Lua\TeX-ja ã§ã¯ï¼ãã®ãããªå ´åããããããè¡åå²å¯è½ã«ããããã¨ã¯ããªãï¼ +ã¤ã¾ãï¼å³ç©ºç½ãglueã§ããã¨ãï¼ãã®ç´åã«|\penalty 10000|ãæ¿å ¥ããï¼ \enditem +\beginparagraph ããã¤ãã®ä¾ï¼æªå® + +\beginsection main loop ãã®2: ãã®ä»ã®å ´å + +\setbox1=\hbox{hp}\setbox2=\hbox to 0.4pt{\vrule height\dimexpr \ht1+0.25em\relax depth \dimexpr \dp1+0.25em\relax} +$$\def\:{\hskip0.5em}\lineskiplimit=\maxdimen\lineskip=0pt +\vcenter{\halign{\hfil\IT{#}\hfil\hskip1em\copy2% +\:&\:\hfil\IT{#}\hfil\:&\:\hfil\IT{#}\hfil\:&\:\hfil\IT{#}\hfil\:&\:\hfil\IT{#}\hfil% +\:&\:\hfil\IT{#}\hfil\:&\:\hfil\IT{#}\hfil\:&\:\hfil\IT{#}\hfil\:&\:\hfil\IT{#}\hfil\cr +\IT{Np}â&&id\_hlist éæå\cr +\IT{Nq}â&$\mibox{head}(\mibox{Nq})$\rm: 欧æ&id\_box\_like&id\_glue&id\_kern\cr +\noalign{\vskip.25em\hrule\vskip.25em} +id\_jglyph&\rm E${}+{}$({\rm $\rm O_B$âX})&\rm E${}+\rm O_B^*$&\rm E${}+\rm O_B$&\rm E${}+\rm O_B^+$\cr +id\_pbox å&\rm E${}+{}$({\rm $\rm O_B$âX})&\rm E${}+\rm O_B^*$&\rm E${}+\rm O_B$&\rm E${}+\rm O_B^+$\cr +id\_hlist å&\rm X${}^+$&---&---&---\cr +ä»&---&---&---&---\cr +}}$$ \end