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-rw-r--r--lib/feature.pm1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/feature.pm b/lib/feature.pm
index 5802f00065..f951149e59 100644
--- a/lib/feature.pm
+++ b/lib/feature.pm
@@ -12,6 +12,7 @@ my %feature = (
# This gets set (for now) in $^H as well as in %^H,
# for runtime speed of the uc/lc/ucfirst/lcfirst functions.
+# See HINT_UNI_8_BIT in perl.h.
our $hint_uni8bit = 0x00000800;
# NB. the latest bundle must be loaded by the -E switch (see toke.c)