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I use pgfkeys to define package options, one of them regulates the color of some items. I have multiple keys, defining the same code, e.g. colors=1 or colors=b&w.

Do I have to repeat the code part for the second key or is it possible to define a "synonym"? If yes, how?

My code snippet:

\def\Keyset#1{\pgfkeys{/MyKey,#1}}

\Keyset{colors/.is choice,}

\Keyset{colors/1/.code={...}}

\Keyset{colors/b&w/.code={Same code as with 1}}
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  • Don't use & character. \Keyset{colors/bw/.code={\pgfkeys{/Mykey/colors=1}}
    – percusse
    Mar 9, 2018 at 10:36
  • I searched the docs and the internet to find the & issue. As I found nothing I just tried it, To my surprise it worked. Why should an & not be used in this case?
    – Jack
    Mar 9, 2018 at 11:07
  • It usually works because PGF uses key names inside \csname and \endcsname pair. But when it rarely breaks down it is such a major pain in the ass to find the reason. That's why it's better to be safe than sorry.
    – percusse
    Mar 9, 2018 at 11:23

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