Ocamlformat 0.4

Features

• Wrap lines in string literals, comments and docstrings
• Improve char escaping to ascii / uniform hexa / utf8 (#73)
• Add support for Pexp_new expressions (#76, @smondet)
• Add support for Pexp_send _ expressions (#72, @smondet)
• Add options to format chars and break strings (#70, @smondet)
• Formatting of %ext on if/while/for/match/try/; (#63, @hcarty)
• Disable formatting with [@@@ocamlformat.disable] (#66, @hcarty)

Formatting improvements

• Improve sequences under if-then-else with unnecessary but safer parens
• Improve optional arguments with type constraints
• Improve let-bound functions with type constraints
• Improve newtype constraints in let-bindings
• Improve placement of exception docstrings

Bug fixes

• Fix missing break hint before comment on sugared []
• Fix formatting of [%ext e1]; e2 (#75, @hcarty)
• Fix missing parens around let exception, let module, for, while under apply
• Fix missing parens under alias patterns
• Fix placement of attributes on extension constructors
• Fix missing parens around unpack patterns
• Fix let-bindings with pattern constraints
• Fix mutually recursive signatures