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-rw-r--r--src/LexBash.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/LexBash.cxx b/src/LexBash.cxx
index f0376b947..0797e68a9 100644
--- a/src/LexBash.cxx
+++ b/src/LexBash.cxx
@@ -273,7 +273,7 @@ static void ColouriseBashDoc(unsigned int startPos, int length, int initStyle,
ch = chNext;
chNext = chNext2;
styler.ColourTo(i, SCE_SH_IDENTIFIER);
- } else if (isdigit(ch)) {
+ } else if (isascii(ch) && isdigit(ch)) {
state = SCE_SH_NUMBER;
numBase = BASH_BASE_DECIMAL;
if (ch == '0') { // hex,octal