[Haskell-cafe] wrong backquote in haskell 2010 report Prelude

[Albert Y. C. Lai]

Haskell 2010 report chapter 9 Standard Prelude uses a wrong backquote, e.g.,

infixl 7  ⋆, /, ‘quot‘, ‘rem‘, ‘div‘, ‘mod‘

Those are U+2018. The grammar (Chapter 3) requires U+0060 and accepts no 
substitutes, e.g.,

varop → varsym | `  varid `