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@@ -3048,8 +3048,8 @@ map_search_backward(OnigEncoding enc, UChar map[],
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 }
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 extern int
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-onig_match(regex_t* reg, const UChar* str, const UChar* end, const UChar* at, OnigRegion* region,
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-	    OnigOptionType option)
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+onig_match(regex_t* reg, const UChar* str, const UChar* end, const UChar* at,
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+           OnigRegion* region, OnigOptionType option)
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 {
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   int r;
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   UChar *prev;
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@@ -3350,7 +3350,8 @@ backward_search_range(regex_t* reg, const UChar* str, const UChar* end,
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 extern int
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 onig_search(regex_t* reg, const UChar* str, const UChar* end,
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-	    const UChar* start, const UChar* range, OnigRegion* region, OnigOptionType option)
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+            const UChar* start, const UChar* range,
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+            OnigRegion* region, OnigOptionType option)
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 {
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   int r;
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   UChar *s, *prev;