[hb-view] Accept numbers in feature tag name
Reported by Adam Twardoch.
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24229eb132
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08da7a3841
@ -233,10 +233,10 @@ parse_feature_tag (char **pp, hb_feature_t *feature)
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parse_space (pp);
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#define ISALPHA(c) (('a' <= (c) && (c) <= 'z') || ('A' <= (c) && (c) <= 'Z'))
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while (c = **pp, ISALPHA(c))
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#define ISALNUM(c) (('a' <= (c) && (c) <= 'z') || ('A' <= (c) && (c) <= 'Z') || ('0' <= (c) && (c) <= '9'))
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while (c = **pp, ISALNUM(c))
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(*pp)++;
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#undef ISALPHA
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#undef ISALNUM
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if (p == *pp)
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return FALSE;
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