Main new feature:

• Agda backend: generates bindings to output of Haskell backend

Backend-independent features:

• GHC 8.8 compatibility
• Stack installation supported by provided .yaml files [#198]
• Unicode support in lexer, excl. C, C++ and Ocaml [#249]
• LBNF: support \r (carriage return) and \f (form feed) in token declaration [#257]
• LBNF: allow numbered categories (like Foo2) independent of coercions [#210]

C backend:

• supports now the -l option to give error locations [#238]
• correct function names in generated skeletons [#239]
• handle regular expression difference (subtraction) correctly [#237]

Haskell backend:

• generates now more fine-grained Makefile that invokes bnfc on changed .cf file
• uses qualified import of AST in generated printer [fixes #128,#228]
• printer code no longer produces deprecation warning concerning OverlappingInstances [#233]
• --cnf: fixed problem with Any type in generated code [#216]
• --cnf: generated test program now same name (Test) as without --cnf
• --glr: correct module header in .y file [#252]

Binaries (see below):

• bnfc-2.8.3-mac.binary: Binary compiled under Mac OS X Mojave, x86 64bit processor
• bnfc.exe: Binary compiled under Windows 10, x86 64bit processor