0.5

CHANGES:

• Improve performance in two_columns via the zipper data structure
  and caching.
• Fix a bug caused from a wrong renderer is used due to memoization.
  Thanks to @zbyrn who reported the issue (#2)!

0.4

CHANGES:

• Fix a critical issue in two_columns: remove phantom spaces,
  and adjust costs to ensure optimality.
• Mark two_columns as experimental.

0.3

CHANGES:

• Add the two_columns construct
• Rename CostFacory.debug to CostFactory.string_of_cost
• Reorganize pretty printing functions:
  • Rename Printer.Make.print to Printer.Make.pretty_format_info (with slightly different signature)
  • Rename Printer.Make.pretty_print to Printer.Make.pretty_format
  • Add Printer.Make.pretty_print, Printer.Make.pretty_print_info, and Printer.Make.pretty_format_debug.
  • Essentially, Printer.Make.pretty_print(*) is suitable for printing to a channel.
    Printer.Make.pretty_format(*) is suitable for printing as a string.
    The suffix _info indicates that it returns debugging information.

0.2

CHANGES:

• Change <> to ^^ to avoid shadowing the not equal operator
  (thanks to @EmileTrotignon who made the suggestion in
  the OCaml forum).
• Improve documentation
• Use mdx for documentation

0.1

CHANGES:

• Initial release