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fish-shell/README_muparser.md
Kurtis Rader d247c121a2 Check-in MuParser source 
First step in fixing issue #3157 is to check-in the source code and hook
it into our build system.

The inclusion of the MuParser source adds the MIT License to those that
apply to fish. Update our documentation to reflect that fact.

The MuParser documentation is at
http://beltoforion.de/article.php?a=muparser.  The source was downloaded
from https://github.com/beltoforion/muparser/releases. It is also hosted
on Github, https://github.com/beltoforion/muparser/. I did not download
it from Github because that source contained just a couple of cleanup
changes which don't affect its behavior.
2017-08-23 14:43:45 -07:00

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Math expression evaluation

Fish 1.x and 2.x releases relied on the bc command for handling math expressions via the math command. Starting with fish 3.0.0 fish uses the MuParser library. It's documentation is here and the source was downloaded from here. It is also hosted on Github. I did not download it from Github because that source contained just a couple of cleanup changes which don't affect its behavior. See issue #3157 where making math a builtin was discussed.