+% prebreakpenalty = {<char_code>, <penalty>}
+\define@key[ltj]{japaram}{kcatcode}{%
+ \expandafter\ltj@@set@stack#1:{kcat}{0}{0x7FFFFFFF}}
+\define@key[ltj]{japaram}{prebreakpenalty}{%
+ \expandafter\ltj@@set@stack#1:{pre}{-10000}{10000}}
+\define@key[ltj]{japaram}{postbreakpenalty}{%
+ \expandafter\ltj@@set@stack#1:{post}{-10000}{10000}}
+\def\ltj@@set@stack#1,#2:#3#4#5{%
+ \directlua{luatexja.stack.set_stack_table(ltj.isglobal, \asluastring{#3},
+ \ltj@safe@num@or\ltj@defnum{#1},\ltj@safe@num@or\ltj@defnum{#2},#4,#5)}}
+
+% yalbaselineshift = <dimen>
+% yjabaselineshift = <dimen>
+\define@key[ltj]{japaram}{yalbaselineshift}{%
+ \directlua{tex.setattribute(ltj.isglobal,
+ luatexbase.attributes['ltj@yablshift'],
+ \ltj@safe@dimen@or\ltj@defdimen{#1})}}
+\define@key[ltj]{japaram}{yjabaselineshift}{%
+ \directlua{tex.setattribute(ltj.isglobal,
+ luatexbase.attributes['ltj@ykblshift'],
+ \ltj@safe@dimen@or\ltj@defdimen{#1})}}
+
+% jaxspmode = {<char_code>, <mode>}
+% mode: inhibit, preonly, postonly, allow
+% or 0 2 1 3
+\define@key[ltj]{japaram}{jaxspmode}{% \inhibitxspcode
+ \expandafter\ltj@set@jaxspmode#1:\relax}
+\def\ltj@set@jaxspmode#1,#2:{%
+ \lowercase{\edef\ltj@temp{#2}}%
+ \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
+ \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
+ \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
+ \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
+ \directlua{luatexja.stack.set_stack_table(ltj.isglobal, 'xsp',
+ \ltj@safe@num@or\ltj@defnum{#1},
+ \ltj@safe@num@or\ltj@defnum{\ltj@temp},0,3)}}
+
+% alxspmode = {<char_code>, <mode>}
+% mode: inhibit, preonly, postonly, allow
+% or 0 1 2 3
+\define@key[ltj]{japaram}{alxspmode}{% \inhibitxspcode
+ \expandafter\ltj@set@alxspmode#1:\relax}
+\def\ltj@set@alxspmode#1,#2:{%
+ \lowercase{\edef\ltj@temp{#2}}%
+ \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
+ \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
+ \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
+ \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
+ \directlua{luatexja.stack.set_stack_table(ltj.isglobal, 'xsp',
+ \ltj@safe@num@or\ltj@defnum{#1},
+ \ltj@safe@num@or\ltj@defnum{\ltj@temp},0,3)}}
+
+% autospacing = <bool> (default: true)
+\define@boolkey[ltj]{japaram}{autospacing}[true]{%
+ \ifltj@japaram@autospacing
+ \directlua{ltj.ext_print_global()}\ltj@autospc=1
+ \else
+ \directlua{ltj.ext_print_global()}\ltj@autospc=0
+ \fi}
+
+% autoxspacing = <bool> (default: true)
+\define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
+ \ifltj@japaram@autoxspacing
+ \directlua{ltj.ext_print_global()}\ltj@autoxspc=1
+ \else
+ \directlua{ltj.ext_print_global()}\ltj@autoxspc=0
+ \fi}
+
+\define@key[ltj]{japaram}{kanjiskip}{% % SKIP
+ \directlua{luatexja.stack.set_stack_skip(ltj.isglobal, 'kanjiskip', \ltj@safe@glue{#1})}}
+\define@key[ltj]{japaram}{xkanjiskip}{% % SKIP
+ \directlua{luatexja.stack.set_stack_skip(ltj.isglobal, 'xkanjiskip', \ltj@safe@glue{#1})}}
+\define@key[ltj]{japaram}{jcharwidowpenalty}{% %COUNT
+ \ltj@@set@stack0,#1:{jwp}{-10000}{10000}}
+
+% differentjfm = { large | small | average | both }
+\define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
+ {large,small,average,both}{%
+ \ifcase\ltj@tempr
+ \directlua{ltj.ja_diffmet_rule = math.max}\or
+ \directlua{ltj.ja_diffmet_rule = math.min}\or
+ \directlua{ltj.ja_diffmet_rule = math.two_average}\or
+ \directlua{ltj.ja_diffmet_rule = math.two_add}
+ \fi
+}{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
+ Argument for `differentjfm' must be one of `large', `small', `average',^^J%
+ and `both'. }}
+ % large, small, average, both
+
+
+% jacharrange = { +-<range_number> }
+\define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
+\def\ltj@@scrange#1,{%
+ \edef\ltj@temp{#1}%
+ \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
+ \directlua{luatexja.charrange.toggle_char_range(%
+ ltj.is_global,\ltj@safe@num@or\ltj@defnum{#1})}%
+ \fi\next