gnuclad crash

[FabioLolix]

$ LANG=C gnuclad bsdt.csv SVG bsdt.conf
gnuclad 0.2.4: bsdt.csv => bsdt.svg/usr/include/c++/11.2.0/bits/basic_string.h:1058: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator[](std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference = char&; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]: Assertion '__pos <= size()' failed.
Annullato (core dump creato)

An extra whitespace is crashing gnuclad, first seen on the BSD timeline for a whitespace that has been there forever FabioLolix/BSD-Timeline@cb78577 and there is one in the default CONF too FabioLolix/osol@2479b6f, I guess this is happening since GCC 11.2.0