Commits on Nov 3, 2023

1. mango: fix $beginsWith range …

   In the intial implementation of $beginsWith, the range calculation
   for json indexes mistakenly appends an integer with the size of
   8 bits which gets maxed out at FF, rather than building a binary
   with an extra 3 bytes at the end.
   
   This commit fixes the `mango_idx_view:range/5` by correctly appending
   the `U+FFFF` code point to create a utf-8 encoded binary. Additionally,
   the Erlang `utf8` binary type ensures the result
   is a valid utf8 string. If `Arg` is not a utf8 binary, this will
   throw a badarg error.
   
   We expect `Arg` strings to be a valid utf8 but, to be safe,
   `mango_selector:norm_ops/1` is enhanced to verify
   that any argument to `$beginsWith` is a utf8 string.

   

   willholley committed Nov 3, 2023
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