SCM_STRING_IMMUTABLE  981 src/gauche.h       SCM_STRING_IMMUTABLE  = (1L<<0),
SCM_STRING_IMMUTABLE 1002 src/gauche.h       SCM_STRING_BODY_HAS_FLAG(body, SCM_STRING_IMMUTABLE)
SCM_STRING_IMMUTABLE 1027 src/gauche.h   #define SCM_MAKSTR_IMMUTABLE   SCM_STRING_IMMUTABLE
SCM_STRING_IMMUTABLE 1057 src/gauche.h       Scm_CopyStringWithFlags(str, 0, SCM_STRING_IMMUTABLE)
SCM_STRING_IMMUTABLE 1125 src/gauche.h         { SCM_STRING_IMMUTABLE, (len), (siz), (str) } }
SCM_STRING_IMMUTABLE  722 src/read.c                                | SCM_STRING_IMMUTABLE);
SCM_STRING_IMMUTABLE 1606 src/regexp.c                                                        SCM_STRING_IMMUTABLE,
SCM_STRING_IMMUTABLE 1607 src/regexp.c                                                        SCM_STRING_IMMUTABLE));
SCM_STRING_IMMUTABLE  742 src/string.c       newflags = SCM_STRING_BODY_FLAGS(xb) & ~SCM_STRING_IMMUTABLE;
SCM_STRING_IMMUTABLE  812 src/string.c                                   SCM_STRING_BODY_FLAGS(xb)&~SCM_STRING_IMMUTABLE));
SCM_STRING_IMMUTABLE   62 src/symbol.c           ScmObj n = Scm_CopyStringWithFlags(name, SCM_STRING_IMMUTABLE,
SCM_STRING_IMMUTABLE   63 src/symbol.c                                              SCM_STRING_IMMUTABLE);