v1.7.0

Features, changes

• Add "did you mean" suggestions for functions and procedures, @eminence in #199
• Improve the "did you mean" suggestions for booleans, @eminence in #198
• Allow underscores in integers with bases, @irevoire in #190
• Add support for prefix unary plus operator, @irevoire in #209
• Add intro banner and -q/--quiet option to suppress it, @Bzero in #220
• Added new help (and ?) commands, @tomeichlersmith in #222
• Add support for arbitrary types in function parameters, #193
• Allow overwriting of functions, #171
• Allow constants to be shadowed, #197
• Allow identifiers to start with °
• Web: multi-line sharing, #186
• On-demand loading of currency exchange rates, #107 and #183
• Allow -e/--expression to appear multiple times
• Better error message for wrong function argument type
• Add assert(…), #188
• Added strings to the language
• Add support for user errors
• Unit meta information, @name and @url decorators, #223

Units, prelude

• Add support for more currencies, @zaidhaan in #216
• add metrix prefixes for barns by @tomeichlersmith in #182
• Add smoot unit by @Mstrodl in #208
• More consistent names for physical dimensions
• More named physical dimensions
• Added Stefan-Bolzmann constant, #189
• Accept 'u' instead of 'µ' for micro
• Treat hundred, thousand, … as units
• Add 'cooking' module
• Add ℎ = planck_constant
• Rename speed => velocity
• Add sidereal_day unit
• Add extra::astronomy module

Other

• fix: documentation typo errors by @0xflotus in #185
• Update the bnf by @irevoire in #191
• Document unit_of and value_of functions by @eminence in #204
• Add a first very basic benchmarks that imports the prelude by @irevoire in #210
• Web: handle query string input line by line, @eminence in #206