copy = Fmake_vector (make_number (len + 2), Qnil);
LGSTRING_SET_HEADER (copy, Fcopy_sequence (header));
for (i = 0; i < len; i++)
copy = Fmake_vector (make_number (len + 2), Qnil);
LGSTRING_SET_HEADER (copy, Fcopy_sequence (header));
for (i = 0; i < len; i++)
/* Check if the character at CHARPOS (and BYTEPOS) is composed
(possibly with the following characters) on window W. ENDPOS limits
/* Check if the character at CHARPOS (and BYTEPOS) is composed
(possibly with the following characters) on window W. ENDPOS limits
the character. If STRING is not nil, it is a string containing the
character to check, and CHARPOS and BYTEPOS are indices in the
string. In that case, FACE must not be NULL.
the character. If STRING is not nil, it is a string containing the
character to check, and CHARPOS and BYTEPOS are indices in the
string. In that case, FACE must not be NULL.