added Parser class
fixed harmless typo
included math.h header for pow()
Cosmetic fixes
Revised and improved documentation. Removed spanish version.
Character class optimization
Minor typo correction
Accept overlapping ranges in character classes.
Code retouching
Added Unicode support
Replaced Chr() and Str() by Lit(). Added _() and __() macros
Cosmetic fixes
Calculator: eliminated two unnecessary rules
Calculator: made exponentiation left-associative
Add username example
Add prefix operator--()
Fixed checking algorithm
Added grammar checking
Minor cosmetic changes
Restricted class Rule to avoid temporaries
Calculator accepts semicolons
Small cosmetic changes
Tidy up
Eliminated prefix operator --
Added user-defined literals
Cancel text captured by failing expressions
Cancel text captured by failing expressions
Calculator: fix unary +/- precedence
Spanish docs
Indent with spaces
Initial commit