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Render error code sections as definition lists to improve readability.

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@ -94,50 +94,50 @@ request being made was invalid.
These error codes can be returned by any API endpoint:
`M_FORBIDDEN`
Forbidden access, e.g. joining a room without permission, failed login.
: Forbidden access, e.g. joining a room without permission, failed login.
`M_UNKNOWN_TOKEN`
The access or refresh token specified was not recognised.
: The access or refresh token specified was not recognised.
An additional response parameter, `soft_logout`, might be present on the
: An additional response parameter, `soft_logout`, might be present on the
response for 401 HTTP status codes. See [the soft logout
section](#soft-logout) for more information.
`M_MISSING_TOKEN`
No access token was specified for the request.
: No access token was specified for the request.
`M_USER_LOCKED`
The account has been [locked](#account-locking) and cannot be used at this time.
: The account has been [locked](#account-locking) and cannot be used at this time.
`M_USER_SUSPENDED`
The account has been [suspended](#account-suspension) and can only be used for
: The account has been [suspended](#account-suspension) and can only be used for
limited actions at this time.
`M_BAD_JSON`
Request contained valid JSON, but it was malformed in some way, e.g.
: Request contained valid JSON, but it was malformed in some way, e.g.
missing required keys, invalid values for keys.
`M_NOT_JSON`
Request did not contain valid JSON.
: Request did not contain valid JSON.
`M_NOT_FOUND`
No resource was found for this request.
: No resource was found for this request.
`M_LIMIT_EXCEEDED`
Too many requests have been sent in a short period of time. Wait a while
: Too many requests have been sent in a short period of time. Wait a while
then try again. See [Rate limiting](#rate-limiting).
`M_UNRECOGNIZED`
The server did not understand the request. This is expected to be returned with
: The server did not understand the request. This is expected to be returned with
a 404 HTTP status code if the endpoint is not implemented or a 405 HTTP status
code if the endpoint is implemented, but the incorrect HTTP method is used.
`M_UNKNOWN_DEVICE`
{{% added-in v="1.17" %}} The device ID supplied by the application service does
: {{% added-in v="1.17" %}} The device ID supplied by the application service does
not belong to the user ID during [identity assertion](/application-service-api/#identity-assertion).
`M_RESOURCE_LIMIT_EXCEEDED`
The request cannot be completed because the homeserver has reached a
: The request cannot be completed because the homeserver has reached a
resource limit imposed on it. For example, a homeserver held in a shared
hosting environment may reach a resource limit if it starts using too
much memory or disk space. The error MUST have an `admin_contact` field
@ -148,7 +148,7 @@ only read state (e.g.: [`/sync`](#get_matrixclientv3sync),
[`/user/{userId}/account_data/{type}`](#get_matrixclientv3useruseridaccount_datatype), etc).
`M_UNKNOWN`
An unknown error has occurred.
: An unknown error has occurred.
#### Other error codes
@ -157,90 +157,90 @@ The following error codes are specific to certain endpoints.
<!-- TODO: move them to the endpoints that return them -->
`M_UNAUTHORIZED`
The request was not correctly authorized. Usually due to login failures.
: The request was not correctly authorized. Usually due to login failures.
`M_USER_DEACTIVATED`
The user ID associated with the request has been deactivated. Typically
: The user ID associated with the request has been deactivated. Typically
for endpoints that prove authentication, such as [`/login`](#get_matrixclientv3login).
`M_USER_IN_USE`
Encountered when trying to register a user ID which has been taken.
: Encountered when trying to register a user ID which has been taken.
`M_INVALID_USERNAME`
Encountered when trying to register a user ID which is not valid.
: Encountered when trying to register a user ID which is not valid.
`M_ROOM_IN_USE`
Sent when the room alias given to the `createRoom` API is already in
: Sent when the room alias given to the `createRoom` API is already in
use.
`M_INVALID_ROOM_STATE`
Sent when the initial state given to the `createRoom` API is invalid.
: Sent when the initial state given to the `createRoom` API is invalid.
`M_THREEPID_IN_USE`
Sent when a threepid given to an API cannot be used because the same
: Sent when a threepid given to an API cannot be used because the same
threepid is already in use.
`M_THREEPID_NOT_FOUND`
Sent when a threepid given to an API cannot be used because no record
: Sent when a threepid given to an API cannot be used because no record
matching the threepid was found.
`M_THREEPID_AUTH_FAILED`
Authentication could not be performed on the third-party identifier.
: Authentication could not be performed on the third-party identifier.
`M_THREEPID_DENIED`
The server does not permit this third-party identifier. This may happen
: The server does not permit this third-party identifier. This may happen
if the server only permits, for example, email addresses from a
particular domain.
`M_SERVER_NOT_TRUSTED`
The client's request used a third-party server, e.g. identity server,
: The client's request used a third-party server, e.g. identity server,
that this server does not trust.
`M_UNSUPPORTED_ROOM_VERSION`
The client's request to create a room used a room version that the
: The client's request to create a room used a room version that the
server does not support.
`M_INCOMPATIBLE_ROOM_VERSION`
The client attempted to join a room that has a version the server does
: The client attempted to join a room that has a version the server does
not support. Inspect the `room_version` property of the error response
for the room's version.
`M_BAD_STATE`
The state change requested cannot be performed, such as attempting to
: The state change requested cannot be performed, such as attempting to
unban a user who is not banned.
`M_GUEST_ACCESS_FORBIDDEN`
The room or resource does not permit guests to access it.
: The room or resource does not permit guests to access it.
`M_CAPTCHA_NEEDED`
A Captcha is required to complete the request.
: A Captcha is required to complete the request.
`M_CAPTCHA_INVALID`
The Captcha provided did not match what was expected.
: The Captcha provided did not match what was expected.
`M_MISSING_PARAM`
A required parameter was missing from the request.
: A required parameter was missing from the request.
`M_INVALID_PARAM`
A parameter that was specified has the wrong value. For example, the
: A parameter that was specified has the wrong value. For example, the
server expected an integer and instead received a string.
`M_TOO_LARGE`
The request or entity was too large.
: The request or entity was too large.
`M_EXCLUSIVE`
The resource being requested is reserved by an application service, or
: The resource being requested is reserved by an application service, or
the application service making the request has not created the resource.
`M_CANNOT_LEAVE_SERVER_NOTICE_ROOM`
The user is unable to reject an invite to join the server notices room.
: The user is unable to reject an invite to join the server notices room.
See the [Server Notices](#server-notices) module for more information.
`M_THREEPID_MEDIUM_NOT_SUPPORTED`
The homeserver does not support adding a third party identifier of the given medium.
: The homeserver does not support adding a third party identifier of the given medium.
`M_THREEPID_IN_USE`
The third party identifier specified by the client is not acceptable because it is
: The third party identifier specified by the client is not acceptable because it is
already in use in some way.
#### Rate limiting

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@ -71,53 +71,53 @@ the keys `error` and `errcode` MUST always be present.
Some standard error codes are below:
`M_NOT_FOUND`
The resource requested could not be located.
: The resource requested could not be located.
`M_MISSING_PARAMS`
The request was missing one or more parameters.
: The request was missing one or more parameters.
`M_INVALID_PARAM`
The request contained one or more invalid parameters.
: The request contained one or more invalid parameters.
`M_SESSION_NOT_VALIDATED`
The session has not been validated.
: The session has not been validated.
`M_NO_VALID_SESSION`
A session could not be located for the given parameters.
: A session could not be located for the given parameters.
`M_SESSION_EXPIRED`
The session has expired and must be renewed.
: The session has expired and must be renewed.
`M_INVALID_EMAIL`
The email address provided was not valid.
: The email address provided was not valid.
`M_EMAIL_SEND_ERROR`
There was an error sending an email. Typically seen when attempting to
: There was an error sending an email. Typically seen when attempting to
verify ownership of a given email address.
`M_INVALID_ADDRESS`
The provided third-party address was not valid.
: The provided third-party address was not valid.
`M_SEND_ERROR`
There was an error sending a notification. Typically seen when
: There was an error sending a notification. Typically seen when
attempting to verify ownership of a given third-party address.
`M_UNRECOGNIZED`
The request contained an unrecognised value, such as an unknown token or
: The request contained an unrecognised value, such as an unknown token or
medium.
This is also used as the response if a server did not understand the request.
: This is also used as the response if a server did not understand the request.
This is expected to be returned with a 404 HTTP status code if the endpoint is
not implemented or a 405 HTTP status code if the endpoint is implemented, but
the incorrect HTTP method is used.
`M_THREEPID_IN_USE`
The third-party identifier is already in use by another user. Typically
: The third-party identifier is already in use by another user. Typically
this error will have an additional `mxid` property to indicate who owns
the third-party identifier.
`M_UNKNOWN`
An unknown error has occurred.
: An unknown error has occurred.
## Privacy