Created a design doc that cannot be deleted

I used curl to create a design doc but forgot to specify content type json header in request. If I query couchdb _all_docs, I see the doc is there, but I cannot delete the design doc from the UI - nor can I see the views:

Minor issue, but if it can't be deleted I suppose it shouldn't be created.

REQUEST =>
curl http://10.1.2.40:8091/couchBase/default/_design/dev_ddoc1 -X PUT -d@views.json

{"ok":true,"id":"_design/dev_ddoc1"}

inside of views.json I have:
{"_id":"_design/dev_ddoc1","views":{"view1a":{"map":"function (doc)

{\n emit(doc._id, null);\n}

"}}}

LOG =>

Client-side error-report for user "Administrator" on node 'ns_1@10.1.2.40':
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.51.22 (KHTML, like Gecko) Version/5.1.1 Safari/534.51.22
Browser client XHR failure encountered. (age: 1889) Diagnostic info:
s: {"url":"/couchBase/default/_design/dev_ddoc1?rev=undefined","isLocal":false,"global":true,"type":"DELETE","contentType":"application/json","processData":true,"async":true,"accepts":

{"xml":"application/xml, text/xml","html":"text/html","text":"text/plain","json":"application/json, text/javascript","*":"*/*","script":"text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"}

,"contents":{"xml":{},"html":{},"json":{},"script":{}},"responseFields":

{"xml":"responseXML","text":"responseText"}

,"converters":

{"text html":true}

,"jsonp":"callback","timeout":30000,"cache":false,"dataType":"json","data":"{}","dataTypes":["text","json"],"crossDomain":false,"hasContent":true}
xhrStatus: error,
xhrReadyState: 4,
errMsg: Bad Request,
statusCode: 400,
responseText:

{"error":"bad_request","reason":"Invalid rev format"}

full diag attached