Render HTML anchors for definition blocks (#1191)

It's handy to be able to link to these.

assets/scss/custom.scss

@@ -165,16 +165,10 @@ footer {
 
 }
 
-/* Adjust heading anchors for site header */
+/* Adjust the scroll margin for everything in the main content, so that
-.td-content {
+ * it doesn't disappear behind the header bar */
-  &> h2,
+.td-content * {
-  &> h3,
+  scroll-margin-top: 5.5rem;
-  &> h4,
-  &> h5,
-  &> h6,
-  .rendered-data h1 {
-    scroll-margin-top: 5rem;
-  }
 }
 
 /* Styles for the table of contents */

changelogs/internal/newsfragments/1191.clarification

@@ -0,0 +1 @@
+Render HTML anchors for object definition tables.

layouts/shortcodes/definition.html

@@ -30,7 +30,7 @@
 {{ $definition = partial "json-schema/resolve-refs" (dict "schema" $definition "path" $path) }}
 {{ $definition = partial "json-schema/resolve-allof" $definition }}
 
-<section class="rendered-data definition">
+<section class="rendered-data definition" id="{{ anchorize $definition.title }}">
 
 <details {{ if not $compact }}open{{ end }}>
 <summary>