From 3de8afaa1a204aac019bc4404c9deecb64621b00 Mon Sep 17 00:00:00 2001
From: Jesse Hallett <jesse@galois.com>
Date: Mon, 23 Dec 2013 14:33:03 -0800
Subject: Wikipedia guideline: images should contain a caption

---
 guidelines/wikipedia/imageCaption.js | 18 ++++++++++++++++++
 guidelines/wikipedia/wikipedia.json  |  1 +
 2 files changed, 19 insertions(+)
 create mode 100644 guidelines/wikipedia/imageCaption.js

diff --git a/guidelines/wikipedia/imageCaption.js b/guidelines/wikipedia/imageCaption.js
new file mode 100644
index 0000000..6212830
--- /dev/null
+++ b/guidelines/wikipedia/imageCaption.js
@@ -0,0 +1,18 @@
+exports.name = "Images should contain a caption";
+exports.description = "Images should contain a caption, either using the built-in image syntax or a secondary line of text.";
+
+exports.rule = function(report) {
+  $5('#mw-content-text img')
+  // Exclude small images, which are probably icons.
+  .filter(function(i, img) {
+    var $img = $(img);
+    return $img.width() > 50 || $img.height() > 50;
+  })
+  .each(function(i, img) {
+    var $parent = $(img).parents(':not(a, td, tr, .thumbimage):first');
+    var text    = $.trim($parent.text());
+    if (!text) {
+      report.warning("Does this image have a caption?", img);
+    }
+  });
+};
diff --git a/guidelines/wikipedia/wikipedia.json b/guidelines/wikipedia/wikipedia.json
index f53febc..bb36baa 100644
--- a/guidelines/wikipedia/wikipedia.json
+++ b/guidelines/wikipedia/wikipedia.json
@@ -15,5 +15,6 @@
   , "floatSandwiches.js"
   , "spaceBetweenListItems.js"
   , "imageAlt.js"
+  , "imageCaption.js"
   ]
 }
-- 
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