update non-historic mentions of matrix-doc repo

Signed-off-by: HarHarLinks <2803622+HarHarLinks@users.noreply.github.com>

content/client-server-api/modules/content_repo.md

@@ -87,7 +87,7 @@ Matrix 1.12 is expected to be released in the July-September 2024 calendar quart
 The homeserver SHOULD be able to supply thumbnails for uploaded images
 and videos. The exact file types which can be thumbnailed are not
 currently specified - see [Issue
-\#1938](https://github.com/matrix-org/matrix-doc/issues/1938) for more
+\#1938](https://github.com/matrix-org/matrix-spec/issues/453) for more
 information.
 
 The thumbnail methods are "crop" and "scale". "scale" tries to return an

content/client-server-api/modules/end_to_end_encryption.md

@@ -921,7 +921,7 @@ collaborate to create a common set of translations for all languages.
 
 {{% boxes/note %}}
 Known translations for the emoji are available from
-<https://github.com/matrix-org/matrix-doc/blob/master/data-definitions/>
+<https://github.com/matrix-org/matrix-spec/tree/main/data-definitions/>
 and can be translated online:
 <https://translate.riot.im/projects/matrix-doc/sas-emoji-v1>
 {{% /boxes/note %}}

data/api/client-server/third_party_lookup.yaml

@@ -78,7 +78,7 @@ paths:
                       },
                       "room": {
                         "regexp": "[^\\s]+\\/[^\\s]+",
-                        "placeholder": "matrix-org/matrix-doc"
+                        "placeholder": "matrix-org/matrix-spec"
                       }
                     },
                     "instances": [

scripts/proposals.js

@@ -6,7 +6,7 @@
  * in the specification.
  *
  * In detail, it:
- * - fetches all GitHub issues from matrix-doc that have the `proposal` label
+ * - fetches all GitHub issues from matrix-spec-proposals that have the `proposal` label
  * - groups them by their state in the MSC process
  * - does some light massaging of them so it's easier for the Hugo template to work with them
  * - store them at /data/msc