diff --git a/locale/.gitkeep b/locale/.gitkeep
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diff --git a/locale/en.yml b/locale/en.yml
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+flarum-flags:
+
+  ##
+  # UNIQUE KEYS - The following keys are used in only one location each.
+  ##
+
+  # Translations in this namespace are used by the admin interface.
+  admin:
+
+    # These translations are used in the Permissions page of the admin interface.
+    permissions:
+      flag_posts_label: Flag posts
+      view_flags_label: View flagged posts
+
+    # These translations are used in the Flags Settings modal dialog.
+    settings:
+      flag_own_posts_label: Allow users to flag their own posts
+      guidelines_url_label: Community Guidelines URL
+      title: Flags Settings
+
+  # Translations in this namespace are used by the forum user interface.
+  forum:
+
+    # These translations are used by the Flag Post modal dialog.
+    flag_post:
+      confirmation_message: Thank you for flagging this post. Our moderators will look into it.
+      dismiss_button: => core.ref.okay
+      reason_details_placeholder: Additional details (optional)
+      reason_inappropriate_label: Inappropriate
+      reason_inappropriate_text: "This post is offensive, abusive, or violates our <a>community guidelines</a>."
+      reason_missing_message: Please provide some details for our moderators.
+      reason_off_topic_label: "Off-topic"
+      reason_off_topic_text: This post is not relevant to the current discussion and should be moved elsewhere.
+      reason_other_label: Other (please specify)
+      reason_spam_label: Spam
+      reason_spam_text: This post is an advertisement.
+      submit_button: => flarum-flags.ref.flag_post
+      title: => flarum-flags.ref.flag_post
+
+    # These translations are used by the Flagged Posts dropdown, a.k.a. "the flag".
+    flagged_posts:
+      empty_text: No Flags
+      item_text: "{username} in <em>{discussion}</em>"
+      title: => flarum-flags.ref.flagged_posts
+      tooltip: => flarum-flags.ref.flagged_posts
+
+    # These translations are used by the frame displayed around flagged posts.
+    post:
+      dismiss_flag_button: Dismiss Flag
+      flagged_by_text: "Flagged by {username}"
+      flagged_by_with_reason_text: "Flagged by {username} as {reason}"
+
+    # These translations are used by the post control buttons.
+    post_controls:
+      flag_button: Flag
+
+  ##
+  # REUSED TRANSLATIONS - These keys should not be used directly in code!
+  ##
+
+  # Translations in this namespace are referenced by two or more unique keys.
+  ref:
+    flag_post: Flag Post
+    flagged_posts: Flagged Posts