Change RST code formatting markup to Markdown

data/event-schemas/schema/core-event-schema/msgtype_infos/image_info.yaml

@@ -12,7 +12,7 @@ properties:
       differ from the intrinsic dimensions of the image file.
     type: integer
   mimetype:
-    description: The mimetype of the image, e.g. ``image/jpeg``.
+    description: The mimetype of the image, e.g. `image/jpeg`.
     type: string
   size:
     description: Size of the image in bytes.
@@ -31,6 +31,6 @@ properties:
   thumbnail_info:
     allOf:
       - $ref: thumbnail_info.yaml
-    description: Metadata about the image referred to in ``thumbnail_url``.
+    description: Metadata about the image referred to in `thumbnail_url`.
 title: ImageInfo
 type: object

data/event-schemas/schema/core-event-schema/msgtype_infos/thumbnail_info.yaml

@@ -12,7 +12,7 @@ properties:
       differ from the intrinsic dimensions of the image file.
     type: integer
   mimetype:
-    description: The mimetype of the image, e.g. ``image/jpeg``.
+    description: The mimetype of the image, e.g. `image/jpeg`.
     type: string
   size:
     description: Size of the image in bytes.

data/event-schemas/schema/core-event-schema/room_event.yaml

@@ -5,7 +5,7 @@ properties:
   room_id:
     description: |-
       The ID of the room associated with this event. Will not be present on events
-      that arrive through ``/sync``, despite being required everywhere else.
+      that arrive through `/sync`, despite being required everywhere else.
     type: string
 required:
 - room_id

data/event-schemas/schema/core-event-schema/sync_state_event.yaml

@@ -20,7 +20,7 @@ description: In addition to the Room Event fields, State Events have the followi
   additional fields.
 properties:
   prev_content:
-    description: Optional. The previous ``content`` for this event. If there is no
+    description: Optional. The previous `content` for this event. If there is no
       previous content, this key will be missing.
     title: EventContent
     type: object
@@ -29,7 +29,7 @@ properties:
       of room state. This value is often a zero-length string. The presence of this
       key makes this event a State Event.
 
-      State keys starting with an ``@`` are reserved for referencing user IDs, such
+      State keys starting with an `@` are reserved for referencing user IDs, such
       as room members. With the exception of a few events, state events set with a
       given user's ID as the state key MUST only be set by that user.
     type: string

data/event-schemas/schema/core-event-schema/unsigned_prop.yaml

@@ -29,6 +29,6 @@ properties:
   transaction_id:
     description: |
       The client-supplied transaction ID, for example, provided via
-      ``PUT /_matrix/client/r0/rooms/{roomId}/send/{eventType}/{txnId}``,
+      `PUT /_matrix/client/r0/rooms/{roomId}/send/{eventType}/{txnId}`,
       if the client being given the event is the same one which sent it.
     type: string