High Performance PostgreSQL for Rails: Contains non-printing unicode characters

Pragmatic Bookshelf PragProg Customers
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1

I found it challenging to use code examples from this book, particularly because the queries containing non-printing Unicode characters. E.g.,

epub book:

rideshare_development=> REINDEX ​INDEX​ index_users_on_email;
ERROR:  syntax error at or near "​INDEX​"
LINE 1: REINDEX ​INDEX​ index_users_on_email;
                ^
Time: 0.917 ms

pdf book:

rideshare_development=> REINDEX INDEX index_users_on_email;
REINDEX
Time: 5906.267 ms (00:05.906)

Is there any way, to create epub format book, with printing Unicode characters only?

Thanks a lot!
Viktor

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