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Diffstat (limited to 'src/cmd/postscript/common/common.c')
-rw-r--r--src/cmd/postscript/common/common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/postscript/common/common.c b/src/cmd/postscript/common/common.c
index afcdb766..6ac567ec 100644
--- a/src/cmd/postscript/common/common.c
+++ b/src/cmd/postscript/common/common.c
@@ -93,7 +93,7 @@ pagelist(char *list) {
start = 0;
while ((c=*list) != '\0') {
n = 0;
- while (isdigit(c)) {
+ while (isdigit((uchar)c)) {
n = n * 10 + c - '0';
c = *++list;
}