X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=src%2Fpatches%2Flltjfont.sty;h=9be20e440c6bf2896eb5a21a6e6d115dfa4488e0;hb=6612dba2aa63fed27da3f2e0a56a734448eda3c7;hp=68cc36d76cd15b1463a69ec9635417033d605caa;hpb=0e92b88282f64c34260b3c11f6ee57507be8258f;p=luatex-ja%2Fluatexja.git

diff --git a/src/patches/lltjfont.sty b/src/patches/lltjfont.sty
index 68cc36d..9be20e4 100644
--- a/src/patches/lltjfont.sty
+++ b/src/patches/lltjfont.sty
@@ -3,8 +3,9 @@
 %
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{lltjfont}[2018/10/08 Patch to NFSS2 for LuaTeX-ja]
+\ProvidesPackage{lltjfont}[2020-05-17 Patch to NFSS2 for LuaTeX-ja]
 
+%% patching \DeclareTextComposite
 \def\ltj@chardef@text@cmd#1{%
   \let\@ifdefinable\@@ifdefinable%
   \edef\ltj@chardef@text@cmd@name{\expandafter\@gobble\string#1}%
@@ -23,13 +24,11 @@
   \@dec@text@cmd\ltj@chardef@text@cmd#1{#2}#3\relax
 }
 
-\ifdefined\UnicodeEncodingName
-  \let\ltj@temp@DeclareTextComposite=\DeclareTextComposite
-  \def\DeclareTextComposite#1#2#3#4{}%
-  \input{tuenc.def}
-  \let\DeclareTextComposite=\ltj@temp@DeclareTextComposite
-  \expandafter\patchcmd\csname TU\string\textasteriskcentered\endcsname{\char}{\ltjalchar}{}{}
-\fi
+\let\ltj@temp@DeclareTextComposite=\DeclareTextComposite
+\def\DeclareTextComposite#1#2#3#4{}%
+\input{tuenc.def}
+\let\DeclareTextComposite=\ltj@temp@DeclareTextComposite
+\expandafter\patchcmd\csname TU\string\textasteriskcentered\endcsname{\char}{\ltjalchar}{}{}
 
 
 \let\k@encoding\@empty
@@ -65,7 +64,7 @@
   \else\tstrutbox  % tate and utod
   \fi\fi
 }
-\def\strut{\relax
+\DeclareRobustCommand\strut{\relax
   \ifnum\ltjgetparameter{direction}=1 % dtou
     \ifmmode\copy\dstrutbox\else\unhcopy\dstrutbox\fi
   \else\ifnum\ltjgetparameter{direction}=4 % yoko
@@ -75,20 +74,49 @@
   \fi\fi
 }
 
-\def\ystrut{\relax\hbox{\ltj@@orig@yoko
+\DeclareRobustCommand\ystrut{\relax\hbox{\ltj@@orig@yoko
    \ifmmode\copy\ystrutbox\else\unhcopy\ystrutbox\fi}}
-\def\tstrut{\relax\hbox{\ltj@@orig@tate
+\DeclareRobustCommand\tstrut{\relax\hbox{\ltj@@orig@tate
    \ifmmode\copy\tstrutbox\else\unhcopy\tstrutbox\fi}}
-\def\dstrut{\relax\hbox{\ltj@@orig@dtou
+\DeclareRobustCommand\dstrut{\relax\hbox{\ltj@@orig@dtou
    \ifmmode\copy\dstrutbox\else\unhcopy\dstrutbox\fi}}
-\def\zstrut{\relax\hbox{\ltj@@orig@utod
+\DeclareRobustCommand\zstrut{\relax\hbox{\ltj@@orig@utod
    \ifmmode\copy\zstrutbox\else\unhcopy\zstrutbox\fi}}
 
-{%
-  \def\cdp@elt#1#2#3#4{%
-    \directlua{luatexja.jfont.add_fenc_list('\luatexluaescapestring{#1}')}}%
-  \cdp@list%
+
+
+\newluafunction\ltj@@add@fenc@@inner
+\newluafunction\ltj@@add@kyenc@@inner
+\newluafunction\ltj@@add@ktenc@@inner
+\newluafunction\ltj@@is@kyenc@@inner
+\newluafunction\ltj@@is@ktenc@@inner
+\newluafunction\ltj@@is@kenc@@inner
+\newluafunction\ltj@@is@ffam@@inner
+\newluafunction\ltj@@add@ffam@@inner
+\newluafunction\ltj@@add@kfam@@inner
+\directlua{%
+  local lf = lua.get_functions_table()
+  lf[\the\ltj@@add@fenc@@inner]  = luatexja.jfont.add_fenc_list
+  lf[\the\ltj@@add@kyenc@@inner] = luatexja.jfont.add_kyenc_list
+  lf[\the\ltj@@add@ktenc@@inner] = luatexja.jfont.add_ktenc_list
+  lf[\the\ltj@@is@kyenc@@inner]  = luatexja.jfont.is_kyenc
+  lf[\the\ltj@@is@ktenc@@inner]  = luatexja.jfont.is_ktenc
+  lf[\the\ltj@@is@kenc@@inner]   = luatexja.jfont.is_kenc
+  lf[\the\ltj@@is@ffam@@inner]   = luatexja.jfont.is_ffam
+  lf[\the\ltj@@add@ffam@@inner]  = luatexja.jfont.add_ffam
+  lf[\the\ltj@@add@kfam@@inner]  = luatexja.jfont.add_kfam
 }
+\luadef\ltj@@add@fenc \ltj@@add@fenc@@inner
+\luadef\ltj@@add@kyenc\ltj@@add@kyenc@@inner
+\luadef\ltj@@add@ktenc\ltj@@add@ktenc@@inner
+\luadef\ltj@@is@kyenc \ltj@@is@kyenc@@inner
+\luadef\ltj@@is@ktenc \ltj@@is@ktenc@@inner
+\luadef\ltj@@is@kenc  \ltj@@is@kenc@@inner
+\luadef\ltj@@is@ffam  \ltj@@is@ffam@@inner
+\luadef\ltj@@add@ffam \ltj@@add@ffam@@inner
+\luadef\ltj@@add@kfam \ltj@@add@kfam@@inner
+
+{\def\cdp@elt#1#2#3#4{\ltj@@add@fenc{#1}}\cdp@list}
 
 \def\DeclareFontEncoding{%
   \begingroup
@@ -103,7 +131,7 @@
                     {\default@family}{\default@series}%
                     {\default@shape}}%
      \expandafter\let\csname#1-cmd\endcsname\@changed@cmd
-     \directlua{luatexja.jfont.add_fenc_list('\luatexluaescapestring{#1}')}%
+     \ltj@@add@fenc{#1}%
   \else
      \@font@info{Redeclaring font encoding #1}%
   \fi
@@ -134,7 +162,7 @@
                     {\default@k@family}{\default@k@series}%
                     {\default@k@shape}}%
     \expandafter\let\csname#1-cmd\endcsname\@changed@kcmd
-    \directlua{luatexja.jfont.add_kyenc_list('\luatexluaescapestring{#1}')}%
+    \ltj@@add@kyenc{#1}%
   \else
     \@font@info{Redeclaring KANJI (yoko) font encoding #1}%
   \fi
@@ -153,7 +181,7 @@
                     {\default@k@family}{\default@k@series}%
                     {\default@k@shape}}%
     \expandafter\let\csname#1-cmd\endcsname\@changed@kcmd
-    \directlua{luatexja.jfont.add_ktenc_list('\luatexluaescapestring{#1}')}%
+    \ltj@@add@ktenc{#1}%
   \else
     \@font@info{Redeclaring KANJI (tate) font encoding #1}%
   \fi
@@ -191,7 +219,7 @@
               \@empty
             \else \reserved@a
             \fi
-     \directlua{luatexja.jfont.add_ffam('\luatexluaescapestring{#2}')}%
+     \ltj@@add@ffam{#2}%
     }%
 }
 \def\DeclareKanjiFamily#1#2#3{%
@@ -204,7 +232,7 @@
               \@empty
             \else \reserved@a
             \fi
-     \directlua{luatexja.jfont.add_kfam('\luatexluaescapestring{#2}')}%
+     \ltj@@add@kfam{#2}%
      }%
 }
 \def\DeclareKanjiSubstitution#1#2#3#4{%
@@ -224,10 +252,23 @@
        \cdp@list
        \xdef\cdp@list{\the\toks@}%
     \endgroup
-    \global\@namedef{D@#1}{\def\default@family{#2}%
-                           \def\default@series{#3}%
-                           \def\default@shape{#4}}%
+    \global\@namedef{D@#1}{\def\default@k@family{#2}%
+                           \def\default@k@series{#3}%
+                           \def\default@k@shape{#4}}%
   \fi}
+\let\wrong@ja@fontshape\wrong@fontshape
+\let\wrong@al@fontshape\wrong@fontshape
+\patchcmd\wrong@ja@fontshape{\default@shape}{\default@k@shape}{}{}
+\patchcmd\wrong@ja@fontshape{\default@series}{\default@k@series}{}{}
+\patchcmd\wrong@ja@fontshape{\default@family}{\default@k@family}{}{}
+\def\wrong@fontshape{%
+  \ltj@@is@kenc{\f@encoding}\ifin@%
+    \wrong@ja@fontshape
+  \else
+    \wrong@al@fontshape
+  \fi
+}
+\@onlypreamble\DeclareKanjiSubstitution
 \def\DeclareErrorKanjiFont#1#2#3#4#5{%
    \xdef\error@kfontshape{%
       \noexpand\expandafter\noexpand\split@name\noexpand\string
@@ -236,25 +277,26 @@
    \gdef\default@k@family{#2}%
    \gdef\default@k@series{#3}%
    \gdef\default@k@shape{#4}%
-   \global\let\k@family\default@k@family
-   \global\let\k@series\default@k@series
-   \global\let\k@shape\default@k@shape
-   \gdef\f@size{#5}%
-   \gdef\f@baselineskip{#5pt}}
-\@onlypreamble\DeclareKanjiSubstitution
+   }
 \@onlypreamble\DeclareErrorKanjiFont
+
+\newif\ifltjselectfont@force@define
 \def\DeclareFixedFont#1#2#3#4#5#6{%
    \begingroup
       \math@fontsfalse
       \every@math@size{}%
       \fontsize{#6}\z@
-      \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{#2}')}\ifin@%
+      \ltj@@is@kyenc{#2}\ifin@%
+	    \ltjselectfont@force@definetrue
         \usekanji{#2}{#3}{#4}{#5}%
         \global\let#1\getjfont
+	    \ltjselectfont@force@definefalse
       \else
-        \directlua{luatexja.jfont.is_ktenc('\luatexluaescapestring{#2}')}\ifin@%
+        \ltj@@is@ktenc{#2}\ifin@%
+  	      \ltjselectfont@force@definetrue
           \usekanji{#2}{#3}{#4}{#5}%
           \global\let#1\gettfont
+	      \ltjselectfont@force@definefalse
         \else
           \useroman{#2}{#3}{#4}{#5}%
           \global\expandafter\let\expandafter#1\the\font
@@ -306,7 +348,7 @@
   \fi
 }
 \newif\if@knjcmd
-\def\userelfont{\@knjcmdtrue}
+\DeclareRobustCommand\userelfont{\@knjcmdtrue}
 
 
 \RequirePackage{everysel}
@@ -314,8 +356,8 @@
 \expandafter\expandafter\expandafter\let
 \expandafter\expandafter\csname ltj@@orig@selectfont\endcsname\csname selectfont\space\endcsname
 \@EverySelectfont@Init
-\let\ltj@@font@info\@font@info
-\let\ltj@@font@warning\@font@warning
+%\let\ltj@@font@info\@font@info
+%\let\ltj@@font@warning\@font@warning
 \def\@EverySelectfont@Init{%
   \expandafter\let\csname selectfont\space \endcsname \ltj@@orig@selectfont
   \ltj@@EverySelectfont@Init
@@ -323,9 +365,6 @@
 \def\ltj@selectfont@tate{%
   \let\k@encoding\ct@encoding
   \xdef\font@name{\csname\curr@kfontshape/\f@size\endcsname}%
-  \unless\ifnum\ltjgetparameter{direction}=3\relax
-	\let\@font@info\@gobble\let\@font@warning\@gobble
-  \fi
   \pickup@tfont
   \ifnum\ltjgetparameter{direction}=3 \font@name
     \ltj@@does@alt@set{\curr@kfontshape}{%
@@ -334,15 +373,10 @@
       % 定義した alt fonts のデータを \ltjdeclarealtfont に渡すのと同等の処理をする
       \directlua{luatexja.jfont.pickup_alt_font_a('\f@size')}%
     }%
-  \else
-	\let\@font@info\ltj@@font@info\let\@font@warning\ltj@@font@warning
   \fi}
 \def\ltj@selectfont@yoko{%
   \let\k@encoding\cy@encoding
   \xdef\font@name{\csname\curr@kfontshape/\f@size\endcsname}%
-  \ifnum\ltjgetparameter{direction}=3\relax
-	\let\@font@info\@gobble\let\@font@warning\@gobble
-  \fi
   \pickup@jfont
   \unless\ifnum\ltjgetparameter{direction}=3 \font@name
 	 \ltj@@does@alt@set{\curr@kfontshape}{%
@@ -351,20 +385,20 @@
       % 定義した alt fonts のデータを \ltjdeclarealtfont に渡すのと同等の処理をする
       \directlua{luatexja.jfont.pickup_alt_font_a('\f@size')}%
     }%
-  \else
-	\let\@font@info\ltj@@font@info\let\@font@warning\ltj@@font@warning
   \fi}
 \def\ltj@selectfont@patch{%
-  \directlua{luatexja.base.start_time_measure('selectfont')}%
+  \ltj@@start@time@measure{selectfont}%
   \let\tmp@error@fontshape\error@fontshape
   \let\error@fontshape\error@kfontshape
-  \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{\k@encoding}')}\ifin@%
+  \ltj@@is@kyenc{\k@encoding}\ifin@%
     \let\cy@encoding\k@encoding
+    \ensure@KanjiEncodingPair{t}%
     \edef\ct@encoding{\csname t@enc@\k@encoding\endcsname}%
   \else
-    \directlua{luatexja.jfont.is_ktenc('\luatexluaescapestring{\k@encoding}')}\ifin@%
-     \let\ct@encoding\k@encoding
-     \edef\cy@encoding{\csname y@enc@\k@encoding\endcsname}%
+    \ltj@@is@ktenc{\k@encoding}\ifin@%
+      \let\ct@encoding\k@encoding
+      \ensure@KanjiEncodingPair{y}%
+      \edef\cy@encoding{\csname y@enc@\k@encoding\endcsname}%
     \else
       \@latex@error{KANJI Encoding scheme `\k@encoding' unknown}\@eha
     \fi
@@ -391,27 +425,38 @@
     \fi
   \fi
   \global\let\font@name=\ltj@afont@name
-  \directlua{luatexja.base.stop_time_measure('selectfont')}%
+  \ltj@@stop@time@measure{selectfont}%
 }
 \EverySelectfont{\ltj@selectfont@patch}
 
 \bgroup
-  \def\ltj@@dir@patch#1#2{%
+  \def\ltj@@dir@patch#1#2#3{%
     \global\csletcs{ltj@@orig@#1}{#1}%
 	\protected\expandafter\xdef\csname #1\endcsname{%
 	  \csname ltj@@orig@#1\endcsname
-      \unexpanded{\let\ltj@@protect\protect\set@typeset@protect}%
+      \unexpanded{\ifnum#3<\z@\let\ltj@@protect\protect\set@typeset@protect}%
       \unexpanded{\global\let\ltj@afont@name=\font@name}%
 	  \expandonce{\csname ltj@selectfont@#2\endcsname}%
       \unexpanded{\global\let\font@name=\ltj@afont@name}%
-      \unexpanded{\let\protect\ltj@@protect}%
+      \unexpanded{\let\protect\ltj@@protect\fi}%
 	}%
   }
-  \ltj@@dir@patch{yoko}{yoko}\ltj@@dir@patch{tate}{tate}
-  \ltj@@dir@patch{utod}{yoko}\ltj@@dir@patch{dtou}{yoko}
+  \ltj@@dir@patch{yoko}{yoko}{\ltj@curjfnt}
+  \ltj@@dir@patch{tate}{tate}{\ltj@curtfnt}
+  \ltj@@dir@patch{utod}{yoko}{\ltj@curjfnt}
+  \ltj@@dir@patch{dtou}{yoko}{\ltj@curjfnt}
 \egroup
 
 \def\KanjiEncodingPair#1#2{\@namedef{t@enc@#1}{#2}\@namedef{y@enc@#2}{#1}}
+\def\ensure@KanjiEncodingPair#1{%
+  \edef\reserved@a{\csname #1@enc@\k@encoding\endcsname}%
+  \edef\reserved@b{\csname c#1@encoding\endcsname}%
+  \ifcat\relax\reserved@a
+    \@latex@error
+      {KANJI Encoding pair for `\k@encoding' undefined}%
+      {Use \string\KanjiEncodingPair, falling back to `\reserved@b'...}%
+    \expandafter\edef\reserved@a{\reserved@b}%
+  \fi}
 \def\set@fontsize#1#2#3{%
     \@defaultunits\@tempdimb#2pt\relax\@nnil
     \edef\f@size{\strip@pt\@tempdimb}%
@@ -445,16 +490,13 @@
   local t = lua.get_functions_table()
   local getfont, dir_tate = font.getfont, luatexja.dir_table.dir_tate
   local fmt, get_attr = luatexja.jfont.font_metric_table, tex.getattribute
+  local getcount=tex.getcount
   local setdimen, set_attr = tex.setdimen, tex.setattribute
   local dir = luatexja.unary_pars.direction
   t[\the\ltj@@adjust@baseline@inner] = function()
-    local dir = dir()
-    local ft = (dir==dir_tate
-      and fmt[get_attr('ltj@curtfnt')] or luatexja.jfont.tfont_jfmonly_result)
-      or nulltable
-    %local ft = fmt[get_attr('ltj@curtfnt')] or nulltable
-    ft = ft and ft.char_type or nulltable
-    local fk = ft and ft[0] or nulltable
+    local ft = fmt[get_attr('ltj@curtfnt')] or nulltable
+    ft = ft.char_type or nulltable
+    local fk = ft[0] or nulltable
     local ht, dp, wd = fk.height or 0, fk.depth or 0,
                        fk.width or ft.zw or 0
     local fm 
@@ -462,10 +504,10 @@
         .characters or nulltable)[77] or nulltable %% 'M'
     set_attr('ltj@tablshift',
       tex.round(0.5*((fm.height or 0)- (fm.depth or 0) - ht+ dp)))
-    if dir ~= dir_tate then
+    if dir() ~= dir_tate then
       ft = fmt[get_attr('ltj@curjfnt')] or nulltable
-      ft = ft and ft.char_type or nulltable
-      fk = ft and ft[0] or nulltable
+      ft = ft.char_type or nulltable
+      fk = ft[0] or nulltable
       ht, dp, wd = fk.height or 0, fk.depth or 0,
                    fk.width or ft.zw or 0
     end
@@ -474,7 +516,7 @@
     setdimen('cHT', ht+dp)
   end
 }\endgroup
-\def\adjustbaseline{\luafunction\ltj@@adjust@baseline@inner
+\DeclareRobustCommand\adjustbaseline{\luafunction\ltj@@adjust@baseline@inner
    \cvs\normalbaselineskip}
 \DeclareRobustCommand\romanencoding[1]{%
     \expandafter\ifx\csname T@#1\endcsname\relax
@@ -501,19 +543,17 @@
     \fi
 }
 \DeclareRobustCommand\fontencoding[1]{%
-  \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{#1}')}\ifin@%
-  \kanjiencoding{#1}\else\romanencoding{#1}\fi}
+  \ltj@@is@kyenc{#1}\ifin@\kanjiencoding{#1}\else\romanencoding{#1}\fi}
 \def\@@kenc@update{%
   \default@KT
   \csname T@\k@encoding\endcsname
   \csname D@\k@encoding\endcsname
   \let\kenc@update\relax
   \let\ck@encoding\k@encoding
-  \edef\tmp@enc{'\luatexluaescapestring{\k@encoding}'}%
-  \directlua{luatexja.jfont.is_kyenc(\tmp@enc)}\ifin@%
+  \ltj@@is@kyenc{\k@encoding}\ifin@
     \let\cy@encoding\k@encoding
   \else
-    \directlua{luatexja.jfont.is_ktenc(\tmp@enc)}\ifin@%
+    \ltj@@is@ktenc{\k@encoding}\ifin@
       \let\ct@encoding\k@encoding
     \else
       \@latex@error{KANJI Encoding scheme `\k@encoding' unknown}\@eha
@@ -547,27 +587,28 @@
 \DeclareRobustCommand\kanjifamily[1]{\edef\k@family{#1}}
 \DeclareRobustCommand\fontfamily[1]{%
   \@notkfamfalse\@notffamfalse
-  \edef\tmp@item{'\luatexluaescapestring{#1}'}%
   %
-  \directlua{luatexja.jfont.search_kfam(\tmp@item, \@ltj@use@fd)}%
+  \directlua{luatexja.jfont.search_kfam()}{#1}{\@ltj@use@fd}%
   \ifin@\edef\k@family{#1}\else\@notkfamtrue\fi
   %
   % alphabetic fonts part
-  \directlua{luatexja.jfont.is_ffam(\tmp@item)}%
+  \ltj@@is@ffam{#1}%
   \ifin@\edef\f@family{#1}\else
     % checking is_stored_ffam is not sufficient,
     % since LuaTeX-ja doesn't know whats fonts are defined before LuaTeX-ja is loaded.
     \ifcsname \f@encoding+#1\endcsname % easy case
-      \directlua{luatexja.jfont.add_ffam(\tmp@item)}\edef\f@family{#1}%
+      \ltj@@add@ffam{#1}\edef\f@family{#1}%
     \else
       \@tempswafalse
-      \def\cdp@elt##1{\ifcsname ##1+#1\endcsname\@tempswatrue\fi}%
-      \directlua{luatexja.jfont.search_ffam_declared()}%
+      \def\cdp@elt##1{\ifcsname ##1+#1\endcsname%
+	\@tempswatrue\def\cdp@elt####1\relax{}%
+      \fi}%
+      \directlua{luatexja.jfont.search_ffam_declared()}\relax%
       \if@tempswz
-        \directlua{luatexja.jfont.add_ffam(\tmp@item)}\edef\f@family{#1}%
+        \ltj@@add@ffam{#1}\edef\f@family{#1}%
       \else
         % now we search Nffam_list and font definition files.
-        \directlua{luatexja.jfont.search_ffam_fd(\tmp@item)}%
+        \directlua{luatexja.jfont.search_ffam_fd()}{#1}%
         \ifin@\edef\f@family{#1}\else\@notffamtrue\fi
       \fi
     \fi
@@ -577,40 +618,331 @@
     \edef\k@family{#1}\edef\f@family{#1}%
   \fi\fi
 }
+
+\newcount\ltj@@latex@plv \ltj@@latex@plv=-1
+\ifdefined\@rmfamilyhook
+%%%% LaTeX 2020-02-02
+\newif\if@shape@roman@kanji
+%%%%%% 2020-02-02 patchlevel detection
+\ifx\@forced@seriestrue\@undefined % 2020-02-02 pl0--2
+  \@latex@error
+   {Please update LaTeX2e!^^J\space\space
+     At least LaTeX2e 2020-02-02 patch level 3 is required}
+   {LaTeX2e 2020-02-02 patch level 2 (and 4) has a bug.}
+\else
+  \ltj@@latex@plv=300
+  \unless\ifx\series@maybe@drop@one@m@x\@undefined % pl5 + develop
+    \ltj@@latex@plv=501
+  \else\unless\ifx\series@maybe@drop@one@m\@undefined % patch level 5
+    \ltj@@latex@plv=500
+  \fi\fi
+\fi
+%%%%%%
+
+\def\merge@kanji@series#1{%
+  \expandafter\expandafter\expandafter
+  \merge@kanji@series@
+    \csname series@\k@series @#1\endcsname
+    {#1}%
+    \@nil
+}
+
+\ifnum\ltj@@latex@plv>500 % !!! pl5 + develop
+  \def\set@target@series@kanji#1{%
+      \edef\k@series{#1}%
+      \series@maybe@drop@one@m\k@series\k@series
+  }
+\else\ifnum\ltj@@latex@plv>300 % !!! pl5
+  \def\set@target@series@kanji#1{%
+      \edef\k@series{#1}%
+      \expandafter\series@maybe@drop@one@m\expandafter{\k@series}\k@series
+  }
+\else % !!! pl 3, 4
+  \def\set@target@series@kanji#1{%
+      \edef\k@series{#1}%
+	  \edef\k@series{\expandafter\series@drop@one@m\k@series mm\series@drop@one@m}%
+  }
+\fi\fi
+
+\def\merge@kanji@series@#1#2#3\@nil{%
+  \def\reserved@a{#3}%
+  \ifx\reserved@a\@empty
+    \set@target@series@kanji{#2}%
+  \else
+    \begingroup\let\f@encoding\k@encoding\let\f@family\k@family
+	   \maybe@load@fontshape\endgroup
+    \edef\reserved@a{\k@encoding /\k@family /#1/\k@shape}%
+     \ifcsname \reserved@a \endcsname
+       \set@target@series@kanji{#1}%
+    \else
+       \ifcsname \k@encoding /\k@family /#2/\k@shape \endcsname
+         \set@target@series@kanji{#2}%
+         {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
+       \else
+         \set@target@series@kanji{#3}%
+         {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
+       \fi
+    \fi
+  \fi
+}
+\def\merge@kanji@shape#1{%
+  \expandafter\expandafter\expandafter
+  \merge@kanji@shape@
+    \csname shape@\k@shape @#1\endcsname
+    {#1}%
+    \@nil
+}
+\def\merge@kanji@shape@#1#2#3\@nil{%
+  \def\reserved@a{#3}%
+  \ifx\reserved@a\@empty
+    \if@shape@roman@kanji
+      \set@safe@kanji@shape{#2}{}%
+    \else
+      \edef\k@shape{#2}%
+    \fi
+  \else
+    \begingroup\let\f@encoding\k@encoding\let\f@family\k@family
+	   \maybe@load@fontshape\endgroup
+    \edef\reserved@a{\k@encoding /\k@family /\k@series/#1}%
+     \ifcsname \reserved@a\endcsname
+       \edef\k@shape{#1}%
+    \else
+       \ifcsname \k@encoding /\k@family /\k@series/#2\endcsname
+         \edef\k@shape{#2}%
+         {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
+       \else
+         \if@shape@roman@kanji
+           \set@safe@kanji@shape{#3}%
+           {{\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}}%
+         \else
+           \edef\k@shape{#3}%
+           {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
+         \fi
+       \fi
+    \fi
+  \fi
+}
+\ifnum\ltj@@latex@plv=300 % !!! pl3, 4
+  \DeclareRobustCommand\romanseries[1]{\merge@font@series{#1}}
+  \DeclareRobustCommand\kanjiseries[1]{\merge@kanji@series{#1}}
+  \DeclareRobustCommand\fontseries[1]{%
+     \merge@font@series{#1}\merge@kanji@series{#1}}
+  \DeclareRobustCommand\romanseriesforce[1]{\edef\f@series{#1}}
+  \DeclareRobustCommand\kanjiseriesforce[1]{\edef\k@series{#1}}
+  \DeclareRobustCommand\fontseriesforce[1]{%
+     \edef\f@series{#1}\edef\k@series{#1}}
+\else % !!! pl 5
+  \DeclareRobustCommand\romanseries[1]{\@forced@seriesfalse\merge@font@series{#1}}
+  \DeclareRobustCommand\kanjiseries[1]{\@forced@seriesfalse\merge@kanji@series{#1}}
+  \DeclareRobustCommand\fontseries[1]{%
+    \@forced@seriesfalse\merge@font@series{#1}\merge@kanji@series{#1}}
+  \DeclareRobustCommand\romanseriesforce[1]{\@forced@seriestrue\merge@font@series{#1}}
+  \DeclareRobustCommand\kanjiseriesforce[1]{\@forced@seriestrue\merge@kanji@series{#1}}
+  \DeclareRobustCommand\fontseriesforce[1]{%
+     \@forced@seriestrue\merge@font@series{#1}\merge@kanji@series{#1}}
+\fi
+\DeclareRobustCommand\romanshape[1]{\merge@font@shape{#1}}
+\DeclareRobustCommand\kanjishape[1]{\merge@kanji@shape{#1}}
+\DeclareRobustCommand\fontshape[1]{%
+   \@shape@roman@kanjitrue
+   \merge@font@shape{#1}\merge@kanji@shape{#1}%
+   \@shape@roman@kanjifalse
+}
+\DeclareRobustCommand\romanshapeforce[1]{\edef\f@shape{#1}}
+\DeclareRobustCommand\kanjishapeforce[1]{\edef\k@shape{#1}}
+\DeclareRobustCommand\fontshapeforce[1]{\set@safe@kanji@shape{#1}{}\romanshapeforce{#1}}
+\DeclareRobustCommand\usekanji[4]{%
+    \kanjiencoding{#1}\edef\k@family{#2}\edef\k@series{#3}\edef\k@shape{#4}%
+    \selectfont\ignorespaces}
+\DeclareRobustCommand\useroman[4]{%
+    \romanencoding{#1}\edef\f@family{#2}\edef\f@series{#3}\edef\f@shape{#4}%
+    \selectfont\ignorespaces}
+%%%% LaTeX 2020-02-02 END
+\else
+%%%% LaTeX 2019-10-01
 \DeclareRobustCommand\romanseries[1]{\edef\f@series{#1}}
 \DeclareRobustCommand\kanjiseries[1]{\edef\k@series{#1}}
 \DeclareRobustCommand\fontseries[1]{\kanjiseries{#1}\romanseries{#1}}
 \DeclareRobustCommand\romanshape[1]{\edef\f@shape{#1}}
 \DeclareRobustCommand\kanjishape[1]{\edef\k@shape{#1}}
-\DeclareRobustCommand\fontshape[1]{\kanjishape{#1}\romanshape{#1}}
-\def\usekanji#1#2#3#4{%
+\DeclareRobustCommand\fontshape[1]{\set@safe@kanji@shape{#1}{}\romanshape{#1}}
+\DeclareRobustCommand\usekanji[4]{%
     \kanjiencoding{#1}\kanjifamily{#2}\kanjiseries{#3}\kanjishape{#4}%
     \selectfont\ignorespaces}
-\def\useroman#1#2#3#4{%
+\DeclareRobustCommand\useroman[4]{%
     \romanencoding{#1}\romanfamily{#2}\romanseries{#3}\romanshape{#4}%
     \selectfont\ignorespaces}
+%%%% LaTeX 2019-10-01 END
+\fi
+%%%%
+
+\def\set@safe@kanji@shape#1#2{%
+  \edef\reserved@b{\k@encoding /\k@family /\k@series/#1}%
+  \ifcsname \reserved@b\endcsname
+    \edef\k@shape{#1}%
+    #2%
+  \else
+    \@kanji@shape@nochange@info{\reserved@b}%
+  \fi
+}
+\def\@kanji@shape@nochange@info#1{%
+    \@font@info{Kanji font shape `#1' undefined\MessageBreak
+                No change}%
+}
+
 \protected\def\usefont#1#2#3#4{%
-  \directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{#1}')}\ifin@%
-  \usekanji{#1}{#2}{#3}{#4}%
+  \ltj@@is@kenc{#1}\ifin@\usekanji{#1}{#2}{#3}{#4}%
   \else\useroman{#1}{#2}{#3}{#4}%
   \fi}
 \DeclareRobustCommand\normalfont{%
-    \kanjiencoding{\kanjiencodingdefault}%
-    \kanjifamily{\kanjifamilydefault}%
-    \kanjiseries{\kanjiseriesdefault}%
-    \kanjishape{\kanjishapedefault}%
-    \romanencoding{\encodingdefault}%
-    \romanfamily{\familydefault}%
-    \romanseries{\seriesdefault}%
-    \romanshape{\shapedefault}%
-    \selectfont\ignorespaces}
+    \useroman\encodingdefault\familydefault\seriesdefault\shapedefault
+    \usekanji\kanjiencodingdefault\kanjifamilydefault\kanjiseriesdefault\kanjishapedefault}
 \let\reset@font\normalfont
+
+\ifdefined\@rmfamilyhook
+%%%% LaTeX 2020-02-02
+\let\prepare@family@series@update@kanji=\prepare@family@series@update
+\patchcmd\prepare@family@series@update{\fontfamily}{\romanfamily}{}{}
+\patchcmd\prepare@family@series@update@kanji{\fontfamily}{\kanjifamily}{}{}
+\patchcmd\prepare@family@series@update@kanji{\update@series@target@value}{\update@series@target@value@kanji}{}{}
+\patchcmd\prepare@family@series@update@kanji{\f@family}{\k@family}{}{}
+\patchcmd\prepare@family@series@update@kanji{\@meta@family@list}{\@meta@family@list@kanji}{}{}
+\patchcmd\prepare@family@series@update@kanji{\fontfamily}{\kanjifamily}{}{}
+\patchcmd\prepare@family@series@update@kanji{\maybe@load@fontshape}
+  {\begingroup\let\f@encoding\k@encoding\let\f@family\k@family
+    \maybe@load@fontshape\endgroup}{}{}
+\patchcmd\prepare@family@series@update@kanji{\f@series}{\k@series}{}{}
+\patchcmd\prepare@family@series@update@kanji{\f@series}{\k@series}{}{}
+\let\update@series@target@value@kanji=\update@series@target@value
+\patchcmd\update@series@target@value@kanji{\f@family}{\k@family}{}{}
+\patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
+\patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
+\patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
+\patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
+\def\@meta@family@list@kanji{\@elt{mc}\@elt{gt}\@elt{jtt}}
+
+\ifdefined\@setbfseriesdefaultshook % after 2020-04-07
+  \g@addto@macro\@setbfseriesdefaultshook{%
+    \let\bfseries@mc\bfdef@ult
+    \let\bfseries@gt\bfdef@ult
+    \let\bfseries@jtt\bfdef@ult
+ }
+\else % 2020-02-02
+  \expandafter\patchcmd\csname bfseries \endcsname{%
+    \let\bfseries@rm\bfdef@ult
+    \let\bfseries@sf\bfdef@ult
+    \let\bfseries@tt\bfdef@ult
+  }{%
+    \let\bfseries@rm\bfdef@ult
+    \let\bfseries@sf\bfdef@ult
+    \let\bfseries@tt\bfdef@ult
+    \let\bfseries@mc\bfdef@ult
+    \let\bfseries@gt\bfdef@ult
+    \let\bfseries@jtt\bfdef@ult
+  }{}{}
+\fi
+\ifdefined\@setmdseriesdefaultshook % after 2020-04-07
+  \g@addto@macro\@setmdseriesdefaultshook{%
+    \let\mdseries@mc\mddef@ult
+    \let\mdseries@gt\mddef@ult
+    \let\mdseries@jtt\mddef@ult
+  }
+\else % 2020-02-02
+  \expandafter\patchcmd\csname mdseries \endcsname{%
+    \let\mdseries@rm\mddef@ult
+    \let\mdseries@sf\mddef@ult
+    \let\mdseries@tt\mddef@ult
+  }{%
+    \let\mdseries@rm\mddef@ult
+    \let\mdseries@sf\mddef@ult
+    \let\mdseries@tt\mddef@ult
+    \let\mdseries@mc\mddef@ult
+    \let\mdseries@gt\mddef@ult
+    \let\mdseries@jtt\mddef@ult
+  }{}{}
+\fi
+\expandafter\patchcmd\csname bfseries \endcsname{%
+  \ifx\f@family\rmdef@ult      \fontseries\bfseries@rm
+  \else\ifx\f@family\sfdef@ult \fontseries\bfseries@sf
+  \else\ifx\f@family\ttdef@ult \fontseries\bfseries@tt
+  \else                        \fontseries\bfdefault
+  \fi\fi\fi
+}{%
+  \ifx\f@family\rmdef@ult      \romanseries\bfseries@rm
+  \else\ifx\f@family\sfdef@ult \romanseries\bfseries@sf
+  \else\ifx\f@family\ttdef@ult \romanseries\bfseries@tt
+  \else                        \romanseries\bfdefault
+  \fi\fi\fi
+}{}{}
+\expandafter\patchcmd\csname mdseries \endcsname{%
+  \ifx\f@family\rmdef@ult      \fontseries\mdseries@rm
+  \else\ifx\f@family\sfdef@ult \fontseries\mdseries@sf
+  \else\ifx\f@family\ttdef@ult \fontseries\mdseries@tt
+  \else                        \fontseries\mddefault
+  \fi\fi\fi
+}{%
+  \ifx\f@family\rmdef@ult      \romanseries\mdseries@rm
+  \else\ifx\f@family\sfdef@ult \romanseries\mdseries@sf
+  \else\ifx\f@family\ttdef@ult \romanseries\mdseries@tt
+  \else                        \romanseries\mddefault
+  \fi\fi\fi
+}{}{}
+\expandafter\patchcmd\csname bfseries \endcsname{\selectfont}%
+{%
+  \ifx\k@family\mcdef@ult      \kanjiseries\bfseries@mc
+  \else\ifx\k@family\gtdef@ult \kanjiseries\bfseries@gt
+  \else\ifx\k@family\jttdef@ult\kanjiseries\bfseries@jtt
+  \else                        \kanjiseries\bfdefault
+  \fi\fi\fi
+  \selectfont
+}{}{}
+\expandafter\patchcmd\csname mdseries \endcsname{\selectfont}%
+{%
+  \ifx\k@family\mcdef@ult      \kanjiseries\mdseries@mc
+  \else\ifx\k@family\gtdef@ult \kanjiseries\mdseries@gt
+  \else\ifx\k@family\jttdef@ult\kanjiseries\mdseries@jtt
+  \else                        \kanjiseries\mddefault
+  \fi\fi\fi
+  \selectfont
+}{}{}
+\ifdefined\@expandfontdefaultshook % 2020-04-07
+  \g@addto@macro\@expandfontdefaultshook{%
+    \edef\mcdef@ult{\mcdefault}%
+    \edef\gtdef@ult{\gtdefault}%
+    \edef\jttdef@ult{\jttdefault}%
+    \edef\kanjidef@ult{\kanjifamilydefault}%
+  }
+\else % 2020-02-02
+  \appto\expand@font@defaults{%
+    \edef\mcdef@ult{\mcdefault}%
+    \edef\gtdef@ult{\gtdefault}%
+    \edef\jttdef@ult{\jttdefault}%
+    \edef\kanjidef@ult{\kanjifamilydefault}%
+  }
+\fi
+\appto\init@series@setup{%
+  \ifx\kanjidef@ult\mcdef@ult      \mcfamily
+  \else\ifx\kanjidef@ult\gtdef@ult \gtfamily
+  \else\ifx\kanjidef@ult\jttdef@ult \jttfamily
+  \fi\fi\fi
+}
+\fi
+\ifdefined\prepare@family@series@update@kanji\else
+%%%% LaTeX 2019-10-01
+\def\prepare@family@series@update@kanji#1{\kanjifamily}
+\fi
+
 \DeclareRobustCommand\mcfamily{%
   \unless\ifltj@disablejfam\not@math@alphabet\mcfamily\mathmc\fi
-  \kanjifamily\mcdefault\selectfont}
+  \prepare@family@series@update@kanji{mc}\mcdefault
+  \selectfont}
 \DeclareRobustCommand\gtfamily{%
   \unless\ifltj@disablejfam\not@math@alphabet\gtfamily\mathgt\fi
-  \kanjifamily\gtdefault\selectfont}
+  \prepare@family@series@update@kanji{gt}\gtdefault
+  \selectfont}
+
+
+
 \let\romanprocess@table\process@table
 \def\kanjiprocess@table{%
   \kanjiencoding{\kanjiencodingdefault}%
@@ -627,58 +959,101 @@
 
 %%%%%% LuaTeX-ja specific
 
-% #1 の展開結果から encoding 部分をとりだし，それが和文用かどうかの結果を \ifin@ に代入
-\def\ltj@@IsFontJapanese#1{%
-  \directlua{luatexja.jfont.is_kenc(string.match(
-      '\luatexluaescapestring{#1}', '[^/]+'))}}
-
+% #1/#2 の展開結果から encoding 部分 (#1) をとりだし，それが和文用かどうかの結果を \ifin@ に代入
+\def\ltj@@IsFontJapanese#1/#2\relax{\ltj@@is@kenc{#1}}
 
 \let\extract@afont\extract@font
 \def\pickup@jfont{%
+  \ifnum
+	\unless\ifnum\ltjgetparameter{direction}=3 1\else
+	    \ifltjselectfont@force@define 1\else 0\fi\fi =1 %
     \expandafter \ifx \font@name \relax
        \let\extract@font\extract@jfont
        \define@newfont
        \let\extract@font\extract@afont
     \fi
-    \let\getjfont\font@name}
+    \let\getjfont\font@name
+  \else
+	\begingroup\escapechar\m@ne
+	\ifcsname ltj@@fontjfm/\expandafter\string\font@name\endcsname\else
+       \let\extract@font\extract@jfont@onlyjfm
+       \define@newfont
+       \let\extract@font\extract@afont
+	\fi
+	\endgroup
+	\csname ltj@@fontjfm/\expandafter\expandafter\expandafter\@gobble\expandafter\string\font@name\endcsname
+  \fi
+}
 \def\pickup@tfont{%
+  \ifnum
+	\ifnum\ltjgetparameter{direction}=3 1\else
+	    \ifltjselectfont@force@define 1\else 0\fi\fi =1 %
     \expandafter \ifx \font@name \relax
        \let\extract@font\extract@tfont
        \define@newfont
        \let\extract@font\extract@afont
     \fi
-    \let\gettfont\font@name}
+    \let\gettfont\font@name
+  \else
+	\begingroup\escapechar\m@ne
+	\ifcsname ltj@@fontjfm/\expandafter\string\font@name\endcsname\else
+       \let\extract@font\extract@tfont@onlyjfm
+       \define@newfont
+       \let\extract@font\extract@afont
+	\fi
+	\endgroup
+	\csname ltj@@fontjfm/\expandafter\expandafter\expandafter\@gobble\expandafter\string\font@name\endcsname
+  \fi
+}
 
 % 異なる和文 enc/fam/ser/shape からは異なるフォント番号が振られるように
 % わざと「ゴミをつける」
 \def\ltj@@patch@external@font#1 at{%
-  #1\directlua{luatexja.jfont.print_aftl_address()}\space at%
+  \directlua{
+	local s = '\luatexluaescapestring{#1}'
+	local is_braced, is_quoted
+	if s:sub(1,1)=='{' and s:sub(-1)=='}' then is_braced=true; s=s:sub(2,-2) end
+	if s:sub(1,1)=='"' and s:sub(-1)=='"' then is_quoted=true; s=s:sub(2,-2) end
+	s=s..luatexja.jfont.print_aftl_address()
+	if is_braced then s='{'..s..'}' elseif is_quoted then s='"'..s..'"' end
+	%print(s, is_quoted, is_braced)
+    tex.sprint(-2, s)}%
+  \space at%
 }
 \def\extract@jfont{%
-    \get@external@font
-	\unless\ifnum\ltjgetparameter{direction}=3\relax
-      \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}{%
-        \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
-      }%
-      \expandafter\globaljfont\font@name\external@font\relax\font@name% ここで時間がかかる
-	\fi
+	\get@external@font
+    \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}{%
+      \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
+    }%
+    \expandafter\globaljfont\font@name\external@font\relax\font@name% ここで時間がかかる
     \csname \f@encoding+\f@family\endcsname
     \csname\curr@fontshape\endcsname}
 \def\extract@tfont{%
-   \get@external@font
-	\ifnum\ltjgetparameter{direction}=3\relax
-      \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}{%
-        \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
-      }%
-      \expandafter\globaltfont\font@name\external@font\relax\font@name
-	\else
-	  \directlua{%
-		luatexja.jfont.load_tfont_jfmonly('\luatexluaescapestring{\external@font}')
-	  }%
-	\fi
+	\get@external@font
+    \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}{%
+      \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
+    }%
+    \expandafter\globaltfont\font@name\external@font\relax\font@name
     \csname \f@encoding+\f@family\endcsname
     \csname\curr@fontshape\endcsname}
 
+\newluafunction\ltj@@jfont@@jfmonly@@inner
+\directlua{%
+  local lf = lua.get_functions_table()
+  lf[\the\ltj@@jfont@@jfmonly@@inner]  = luatexja.jfont.load_jfmonly
+}
+\luadef\ltj@@jfont@@jfmonly  \ltj@@jfont@@jfmonly@@inner
+\def\extract@jfont@onlyjfm{%
+	\get@external@font
+	\csxdef{ltj@@fontjfm/\expandafter\string\font@name}{%
+          \ltj@@jfont@@jfmonly{\external@font}{yoko}%
+	}}
+\def\extract@tfont@onlyjfm{%
+	\get@external@font
+	\csxdef{ltj@@fontjfm/\expandafter\string\font@name}{%
+          \ltj@@jfont@@jfmonly{\external@font}{tate}%
+	}}
+
 \let\ltj@@al@do@subst@correction=\do@subst@correction
 \def\ltj@@ja@do@subst@correction{%
     \xdef\subst@correction{%
@@ -688,7 +1063,7 @@
     \aftergroup\subst@correction
 }
 \def\do@subst@correction{%
-   \ltj@@IsFontJapanese{\curr@fontshape}\ifin@%
+   \ltj@@is@kenc{\f@encoding}\ifin@%
      \ltj@@ja@do@subst@correction
    \else
      \ltj@@al@do@subst@correction
@@ -701,16 +1076,19 @@
 
 % \M@<enc> から その <enc> が和文用か調べる
 {\catcode`M=12%
-\gdef\ltj@@mathJapaneseFonts#1M#2#3\relax{\ltj@@IsFontJapanese{#3}}}
+\gdef\ltj@@mathJapaneseFonts#1M#2#3/#4\relax{\ltj@@is@kenc{#3}}}
 
 \let\ltj@@al@getanddefine@fonts=\getanddefine@fonts
 \def\ltj@@ja@getanddefine@fonts#1#2{%
+  \csletcs{if@ltj@tempif}{ifltjselectfont@force@define}%
+  \ltjselectfont@force@definetrue
   \xdef\font@name{\csname \string#2/\tf@size\endcsname}%
   \pickup@jfont\let\textfont@name\font@name
   \xdef\font@name{\csname \string#2/\sf@size\endcsname}%
   \pickup@jfont\let\scriptfont@name\font@name
   \xdef\font@name{\csname \string#2/\ssf@size\endcsname}%
   \pickup@jfont
+  \csletcs{ifltjselectfont@force@define}{if@ltj@tempif}%
   \edef\math@fonts{\math@fonts\ltj@setpar@global%
     \ltj@@set@stackfont#1,\textfont@name:{MJT}%
     \ltj@@set@stackfont#1,\scriptfont@name:{MJS}%
@@ -719,7 +1097,7 @@
 }
 
 \def\getanddefine@fonts#1#2{%
-  \ltj@tempcnta=#1\ltj@@IsFontJapanese{\string#2}%
+  \ltj@tempcnta=#1\expandafter\ltj@@IsFontJapanese\string#2/\relax%
   \ifin@\let\ltj@temp=\ltj@@ja@getanddefine@fonts%
   \else \let\ltj@temp=\ltj@@al@getanddefine@fonts\fi
   \ltj@temp{#1}{#2}%
@@ -727,7 +1105,8 @@
 \def\use@mathgroup#1#2{\relax\ifmmode
   \math@bgroup
     \expandafter\ifx\csname M@\f@encoding\endcsname#1\else
-    #1\fi\ltj@tempcnta=#2 \expandafter\ltj@@mathJapaneseFonts\string#1\relax%
+    #1\fi\ltj@tempcnta=#2
+	\expandafter\ltj@@mathJapaneseFonts\string#1/\relax%
     \ifin@\jfam#2\relax\else\mathgroup#2\relax\fi
   \expandafter\math@egroup\fi}%
 
@@ -763,6 +1142,12 @@
 
 %%%% \ClearAlternateKanjiFont<Benc><Bfam><Bser><Bshape>
 % いつも global
+\newluafunction\ltj@@does@alt@set@@inner
+\directlua{%
+  local lf = lua.get_functions_table()
+  lf[\the\ltj@@does@alt@set@@inner]  = luatexja.jfont.does_alt_set
+}
+\def\ltj@@does@alt@set#1#2{\luafunction\ltj@@does@alt@set@@inner{#1}{#2}}
 \def\ClearAlternateKanjiFont#1#2#3#4{%
    \directlua{luatexja.jfont.clear_alt_font_latex('\luatexluaescapestring{#1/#2/#3/#4}')}}
 
@@ -777,9 +1162,6 @@
   \directlua{luatexja.jfont.pickup_alt_font_b(\the\ltj@tempcntc,'\luatexluaescapestring{#2}')}%
 }
 
-\def\ltj@@does@alt@set#1#2{%
-  \directlua{luatexja.jfont.does_alt_set'\luatexluaescapestring{#1}'}{#2}}
-
 %%%% patch \@text@composite because of {y,t}albaselineshift
 
 % %% \pltx@isletter from plfonts.dtx