Spell Check of longstanding

Definition of longstanding:

having existed for a long time; " a longstanding friendship"; " the longstanding conflict"

Examples of usage:

1) There he was wont to cash his check, pay his longstanding bill, order his new supplies- and then, with a free heart, sally forth to the Hampton tavern. - "His Dog", Albert Payson Terhune.

2) I was indeed thankful to Heaven for paying even a part of so longstanding a debt, although it owes me a good many showers yet; but being a patient creditor, I will wait. - "Australia Twice Traversed, The Romance of Exploration Australia Twice Traversed. The Romance Of Exploration, Being A Narrative Compiled From The Journals Of Five Exploring Expeditions Into And Through Central South Australia, And Western Australia, From 1", Ernest Giles.

3) This is a precious opportunity for a historic settlement of a longstanding conflict, an opportunity which may never come again in our lifetime. - "State of the Union Addresses of Jimmy Carter", Jimmy Carter.