fix(stdlib): unescape doubled quotes in csv.parse() quoted fields (#2239) - #2257
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| for (int32_t k = 0; k < field_length; k++) { | ||
| buf[out++] = field_start[k]; | ||
| if (field_start[k] == '"' && k + 1 < field_length && field_start[k + 1] == '"') | ||
| k++; /* skip second quote of pair */ |
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Fixes #2239
csv.parse()correctly detected doubled-quote boundaries in quoted fields but copied the raw content without unescaping""to". After extracting a quoted field, the parser now checks for embedded quotes and produces an unescaped copy per RFC 4180 §2.7.Changes:
grayc/src/stdlib/csv.c: After quoted-field extraction, scan for""pairs and unescape to single"integration-tests/pass/stdlib/csv_quoted_unescape.graywith 4 test cases