Buf_AddInterval(buf, word->s, dot);
Buf_Addi(buf, word->s, dot);
VarRoot(word, addSpace, buf, dummy)    struct Name *word;    Boolean	addSpace;    Buffer	buf;    void	*dummy		UNUSED;{    const char	*dot;    if (addSpace)	Buf_AddSpace(buf);    dot = lastchar(word->s, word->e, '.');    if (dot != NULL)	Buf_AddInterval(buf, word->s, dot);    else	Buf_AddInterval(buf, word->s, word->e);    return TRUE;}