[NTG-context] Define a new command that inherits from multiple other command options

25 Apr 2024

      hi!

I'm new to ConTeXt. I want to define a command with sidenote function. This [setupsidenote] command inherits the options of [setupmargindata], [setupcounter] and [setupframed]. just like [setupenumeration] inherits the option of [setupcounter].

I've defined the following sidenote command by searching, and I know how to define a new option for it. But what I don't know is how to get it to inherit the options of other commands and perform these features correctly.

Any clue is warmly welcome.

```
% macros=mkvi
\unprotect
\installnamespace          {sidenote}
\installcommandhandler \????sidenote  {sidenote}  \????sidenote
\setupsidenote[
               align=,
               conversion=n,
               way=bytext,
               style=,
]

\definecounter    [SidenoteMarkNumber] [prefix=no]
\definemargindata [SidenoteContent]    [outer]
                  [margin=margin,width=\outermarginwidth]
\setupmargindata  [SidenoteContent]    [stack=yes,style=\it]
\def\sidenotemark{\rawcountervalue[SidenoteMarkNumber]}
\def\convertsidenotemark#1{\high{\convertnumber{#1}{\sidenotemark}}}
\def\sidenote{\dosingleempty\dosidenote}
\def\dosidenote[#1]#2{%
    \getparameters[SMsidenote]
                  [align=\sidenoteparameter{align},
                  conversion=\sidenoteparameter{conversion},
                  way=\sidenoteparameter{way},
                   #1]%
 \setupcounter    [SidenoteMarkNumber] [#1]
 \incrementcounter[SidenoteMarkNumber]
 \convertsidenotemark{\SMsidenoteconversion}% mark in text
 \SidenoteContent[#1]{\setscript[hanzi]\setup[\SMsidenotealign]%
                      \convertsidenotemark{\SMsidenoteconversion}% mark with note
                  #2
}}
\protect
\starttext
天地玄黄，宇宙洪荒。日月盈昃，辰宿列张。寒来暑往，秋收冬\sidenote[align=flushleft] {天地玄黄，宇宙洪荒。}
\stoptext
```

[NTG-context] Define a new command that inherits from multiple other command options

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