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+Invalid responses
+=================
+
+### Incomplete HTTP protocol
+
+<!-- meta={"type": "response"} -->
+```http
+HTP/1.1 200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=2 error code=8 reason="Expected HTTP/"
+```
+
+### Extra digit in HTTP major version
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/01.1 200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=1 span[version]="0"
+off=6 error code=9 reason="Expected dot"
+```
+
+### Extra digit in HTTP major version #2
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/11.1 200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=1 span[version]="1"
+off=6 error code=9 reason="Expected dot"
+```
+
+### Extra digit in HTTP minor version
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.01 200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.0"
+off=8 version complete
+off=8 error code=9 reason="Expected space after version"
+```
+-->
+
+### Tab after HTTP version
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1\t200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=8 error code=9 reason="Expected space after version"
+```
+
+### CR before response and tab after HTTP version
+
+<!-- meta={"type": "response"} -->
+```http
+\rHTTP/1.1\t200 OK
+
+
+```
+
+```log
+off=1 message begin
+off=6 len=3 span[version]="1.1"
+off=9 version complete
+off=9 error code=9 reason="Expected space after version"
+```
+
+### Headers separated by CR
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1 200 OK
+Foo: 1\rBar: 2
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=2 span[status]="OK"
+off=17 status complete
+off=17 len=3 span[header_field]="Foo"
+off=21 header_field complete
+off=22 len=1 span[header_value]="1"
+off=24 error code=3 reason="Missing expected LF after header value"
+```
+
+### Invalid HTTP version
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/5.6 200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="5.6"
+off=8 error code=9 reason="Invalid HTTP version"
+```
+
+## Invalid space after start line
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1 200 OK
+ Host: foo
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=2 span[status]="OK"
+off=17 status complete
+off=18 error code=30 reason="Unexpected space after start line"
+```
+
+### Extra space between HTTP version and status code
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1  200 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=9 error code=13 reason="Invalid status code"
+```
+
+### Extra space between status code and reason
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1 200  OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=3 span[status]=" OK"
+off=18 status complete
+off=20 headers complete status=200 v=1/1 flags=0 content_length=0
+```
+
+### One-digit status code
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1 2 OK
+
+
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=10 error code=13 reason="Invalid status code"
+```
+
+### Only LFs present and no body
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1 200 OK\nContent-Length: 0\n\n
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=2 span[status]="OK"
+off=16 error code=25 reason="Missing expected CR after response line"
+```
+
+### Only LFs present and no body (lenient)
+
+<!-- meta={"type": "response-lenient-all"} -->
+```http
+HTTP/1.1 200 OK\nContent-Length: 0\n\n
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=2 span[status]="OK"
+off=16 status complete
+off=16 len=14 span[header_field]="Content-Length"
+off=31 header_field complete
+off=32 len=1 span[header_value]="0"
+off=34 header_value complete
+off=35 headers complete status=200 v=1/1 flags=20 content_length=0
+off=35 message complete
+```
+
+### Only LFs present
+
+<!-- meta={"type": "response"} -->
+```http
+HTTP/1.1 200 OK\n\
+Foo: abc\n\
+Bar: def\n\
+\n\
+BODY\n\
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=2 span[status]="OK"
+off=16 error code=25 reason="Missing expected CR after response line"
+```
+
+### Only LFs present (lenient)
+
+<!-- meta={"type": "response-lenient-all"} -->
+```http
+HTTP/1.1 200 OK\n\
+Foo: abc\n\
+Bar: def\n\
+\n\
+BODY\n\
+```
+
+```log
+off=0 message begin
+off=5 len=3 span[version]="1.1"
+off=8 version complete
+off=13 len=2 span[status]="OK"
+off=16 status complete
+off=16 len=3 span[header_field]="Foo"
+off=20 header_field complete
+off=21 len=3 span[header_value]="abc"
+off=25 header_value complete
+off=25 len=3 span[header_field]="Bar"
+off=29 header_field complete
+off=30 len=3 span[header_value]="def"
+off=34 header_value complete
+off=35 headers complete status=200 v=1/1 flags=0 content_length=0
+off=35 len=4 span[body]="BODY"
+off=39 len=1 span[body]=lf
+off=40 len=1 span[body]="\"
+```
+\ No newline at end of file