#base64编码有长度限制，在一对解码标识符之间的字符串允许长度约为170，所以需要把标题分段插入解码标识。
#此分段依赖于base64编码的编码后每76个字符加一个回车的特性。
if ( defined $param{subject} ) {
$param{subject} =~s/(\s{1})/?=$1=?gb2312?b?/g;
}2 POD Errors
The following errors were encountered while parsing the POD:
- Around line 89:
Unknown directive: =lala
- Around line 91:
Non-ASCII character seen before =encoding in '#base64编码有长度限制，在一对解码标识符之间的字符串允许长度约为170，所以需要把标题分段插入解码标识。'. Assuming UTF-8