Add warning for old style internal link + fix one

CHANGELOG.md

@@ -7,6 +7,7 @@
 - Update livereload
 - Add `hard_link_static` config option to hard link things in the static directory instead of copying
 - Draft pages are not longer rendered
+- Add warning for old style internal links since they would still function
 
 ## 0.8.0 (2019-06-22)
 

components/rendering/src/markdown.rs

@@ -77,6 +77,12 @@ fn fix_link(
     if link_type == LinkType::Email {
         return Ok(link.to_string());
     }
+
+    // TODO: remove me in a few versions when people have upgraded
+    if link.starts_with("./") && link.contains(".md") {
+        println!("It looks like the link `{}` is using the previous syntax for internal links: start with @/ instead", link);
+    }
+
     // A few situations here:
     // - it could be a relative link (starting with `@/`)
     // - it could be a link to a co-located asset

docs/content/documentation/content/image-processing/index.md

@@ -150,4 +150,4 @@ Here is the result:
 ## Get image size
 
 Sometimes when building a gallery it is useful to know the dimensions of each asset.  You can get this information with
-[get_image_metadata](./documentation/templates/overview.md#get-image-metadata) 
+[get_image_metadata](@/documentation/templates/overview.md#get-image-metadata)