Wavedrom Editor (downloadable version) lacks some logical Operators

[DrPeterSchulz]

The logical operators from the "and-family" (&, ~&, AND, NAND) are not working and raise an error.
(Error Message like: This page contains the following errors:
error on line 1 at column 42248: xmlParseEntityRef: no name
Below is a rendering of the page up to the first error.)