SCM_READ_CASE_FOLD 1618 src/gauche.h       SCM_READ_CASE_FOLD   = (1L<<1),  /* case-fold read */
SCM_READ_CASE_FOLD  195 src/load.c             p->ctx.flags |= SCM_READ_CASE_FOLD;
SCM_READ_CASE_FOLD  179 src/read.c             ctx->flags |= SCM_READ_CASE_FOLD;
SCM_READ_CASE_FOLD  857 src/read.c         int case_fold = temp_case_fold || (ctx->flags & SCM_READ_CASE_FOLD);