{"action":"opened","issue":{"url":"https://api.github.com/repos/openaddresses/machine/issues/465","repository_url":"https://api.github.com/repos/openaddresses/machine","labels_url":"https://api.github.com/repos/openaddresses/machine/issues/465/labels{/name}","comments_url":"https://api.github.com/repos/openaddresses/machine/issues/465/comments","events_url":"https://api.github.com/repos/openaddresses/machine/issues/465/events","html_url":"https://github.com/openaddresses/machine/issues/465","id":192615577,"number":465,"title":"Add prefix functions support for letter suffix house number","user":{"login":"trescube","id":658991,"avatar_url":"https://avatars.githubusercontent.com/u/658991?v=3","gravatar_id":"","url":"https://api.github.com/users/trescube","html_url":"https://github.com/trescube","followers_url":"https://api.github.com/users/trescube/followers","following_url":"https://api.github.com/users/trescube/following{/other_user}","gists_url":"https://api.github.com/users/trescube/gists{/gist_id}","starred_url":"https://api.github.com/users/trescube/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/trescube/subscriptions","organizations_url":"https://api.github.com/users/trescube/orgs","repos_url":"https://api.github.com/users/trescube/repos","events_url":"https://api.github.com/users/trescube/events{/privacy}","received_events_url":"https://api.github.com/users/trescube/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-11-30T16:38:58Z","updated_at":"2016-11-30T16:38:58Z","closed_at":null,"body":"The functions `prefix_number` and `prefix_street` should support an optional letter suffix as part of the house number. For example, Berks County, PA has addresses like `70A RIEGEL LN` which the `prefix-*` functions don't support now (the `regexp` it was [using before](https://github.com/openaddresses/openaddresses/blob/614bfe07844f6698307f1d8312fb8a72e4d8a603/sources/us/pa/berks.json) didn't account for an optional letter so there was no regression with the switch). This is quite common in the US so risk is low for misinterpretation."}}
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