Overview of changes in gcalctool 5.29.91 * Fix bug where backspace deletes all input in locales with no thousands separator * Make boolean operations work with zero, e.g. "0 XOR 5" * Don't override space and return when display area not selected (Bug #596645) * Make window non-resizable (Bug #602154) * Change boolean functions to uppercase (xor -> XOR) * Documentation rewritten * Modernised build system