Real estate liens attach to the property, and do not follow the debtor when she transfers ownership of the property to someone else. Liens do, however, appear on the property title. Mortgage companies require a title search before closing on a home sale. If a title search turns up outstanding liens against the property, the mortgage company can refuse to finance the home purchase.
A single - is a hyphen used when you are joining words (e.g. off-site) or when separating syllables or prefixes (e.g. pre-election). aration. A double -- is a dash and is used as a punctuation mark--when one is trying to separate a parenthetical expression--in sentences. There are more uses for both hyphens and dashes.
Some writers use two hyphen-minuses (--) to represent a dash in ASCII text. The ASCII hyphen-minus character is also often used when specifying command-line options. The character is usually followed by one or more letters that indicate specific actions. Typically it is called a dash or switch in this context.