Today's CI run reports FAIL: tests/fold/fold-nbsp on NetBSD 10 and Solaris 11.4.
The log output in both cases is: FAIL: tests/fold/fold-nbsp ========================== --- exp1 2025-08-24 06:57:52.605590760 +0000 +++ out1 2025-08-24 06:57:52.607333160 +0000 @@ -1,3 +1,3 @@ abcdefghij -klmnop qrs -tuvwxyz +klmnop +qrstuvwxyz --- exp2 2025-08-24 06:57:52.613841250 +0000 +++ out2 2025-08-24 06:57:52.615577504 +0000 @@ -1,3 +1,3 @@ abcdefghij -klmnop qr -stuvwxyz +klmnop +qrstuvwxyz FAIL tests/fold/fold-nbsp.sh (exit status: 1) It looks like the character has been treated like a space. If you need a correction at the Gnulib level (in the functions iswblank, iswspace, c32isblank, or c32isspace), please report this to bug-gnulib. Alternatively, you may declare this a "quality of implementation" issue and simply disable the test on NetBSD and Solaris. Bruno