On Monday, 12 February 2018 at 16:50:16 UTC, Jonathan M Davis wrote:
The core problem is that entity references get replaced with more XML that needs to be parsed. So, they can't simply be passed on for post-processing. As I understand it, they have to be replaced while the parsing is going on. And that means that you can't do something like return slices of the original input that don't bother with the entity references and then have a separate parser take that and process it further to deal with the entity references. The first parser has to deal with them, and that means not returning slices of the original input unless you're dealing purely with strings and are willing to allocate new strings in the cases where the data needs to be mutated because of an entity reference.

Standard entities like & have the same problem, so the same solution should work too.

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