jmsdelim – A package for compositional delimiter sizing

Correctly sizing delimiters is very difficult, particularly in well-architected documents: a correctly engineered mathematical document will include macros for all operations, and these macros necessarily will include delimiters (such as parentheses). However, the correct size for the delimiter cannot be chosen ahead of time, because it will depend on the arguments; two options are available:

1. Provide optional arguments to each notation macro for choosing delimiter sizes. This is nearly intractable to do in practice.
2. Ignore delimiter sizes.

With jmsdelim we offer an alternative: the correct delimiter sizes can be set at the leaf nodes of a mathematical expression, and magically bubble upward through the delimiters.

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