fix handling of -0 (#2235)
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@@ -105,7 +105,7 @@ static void die() {
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static int isoptish(const char* text) {
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return text[0] == '-' && (text[1] == '-' || isalpha(text[1]));
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return text[0] == '-' && (text[1] == '-' || isalpha(text[1]) || text[1] == '0');
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}
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static int isoption(const char* text, char shortopt, const char* longopt, size_t *short_opts) {
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