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-rw-r--r--gcc/java/gjavah.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/java/gjavah.c b/gcc/java/gjavah.c
index d4de85b..b28b7d2 100644
--- a/gcc/java/gjavah.c
+++ b/gcc/java/gjavah.c
@@ -287,7 +287,7 @@ jni_print_char (stream, ch)
fputs ("_3", stream);
else if (ch == '/')
fputs ("_", stream);
- else if (ISXDIGIT (ch))
+ else if (ISALNUM (ch))
fputc (ch, stream);
else
{