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-rw-r--r--src/RESearch.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/RESearch.h b/src/RESearch.h
index 1f30ffb6d..702259d52 100644
--- a/src/RESearch.h
+++ b/src/RESearch.h
@@ -61,7 +61,7 @@ private:
unsigned char bittab[BITBLK]; /* bit table for CCL pre-set bits */
int failure;
CharClassify *charClass;
- bool iswordc(unsigned char x) {
+ bool iswordc(unsigned char x) const {
return charClass->IsWord(x);
}
};