https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61847
--- Comment #5 from e2cd58e1 at opayq dot com --- I actually don't know - how can I test this? But either way, shouldn't open(unit=1,file='bug.dat', decimal="point") read 1.234 in as 1.234 no matter what the locale settings are?