conv_mail_merge_esc property

CompatibilityOptions.conv_mail_merge_esc property

Treat Backslash Quotation Delimiter as Two Quotation Marks.

@property
def conv_mail_merge_esc(self) -> bool:
    ...

@conv_mail_merge_esc.setter
def conv_mail_merge_esc(self, value: bool):
    ...