escape_newlines
char *escape_newlines(const char *str);
escape_newlines(constraint));
sqlite3_snprintf(sizeof(tmp), tmp, "%q", escape_newlines(argv[i]));
sm_msg("SQL: insert or ignore into constraints (str) values('%s');", escape_newlines(con));
tag, 0, STRING_VALUE, escape_newlines(expr->string->data));