some cxListIterator() variants now also allow NULL lists default tip

adds cx_strcpy() and cx_strcpy_a()

C23 is not a preview any longer

fix unnecessary explicit zero-terminator

fix code not compiling with GCC 15

improve cx_strreplacen() - resolves #623

(0) -1000 -300 -100 -30 -10 -6 tip

mercurial