Suggest the use of jsonschema metaschema in all reference tables

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

content/2020-12/core/comment.markdown

@@ -44,8 +44,6 @@ schemas and over the wire.
 
 {{</learning-more>}}
 
-{{<metaschema-check-type `string`>}}
-
 ## Examples
 
 {{<schema `A schema that declares a top level and a nested comment`>}}

content/2020-12/meta-data/deprecated.markdown

@@ -57,8 +57,6 @@ conditions determined by a dynamic operator like [`anyOf`]({{< ref
 
 {{</common-pitfall>}}
 
-{{<metaschema-check-type `boolean`>}}
-
 ## Examples
 
 {{<schema `A schema that statically marks the city optional object property as deprecated`>}}

content/2020-12/meta-data/description.markdown

@@ -54,8 +54,6 @@ is through annotation collection.
 
 {{</common-pitfall>}}
 
-{{<metaschema-check-type `string`>}}
-
 ## Examples
 
 {{<schema `A schema that declares a top level description alongside a short title`>}}

content/2020-12/meta-data/examples.markdown

@@ -51,8 +51,6 @@ including this one.
 
 {{</best-practice>}}
 
-{{<metaschema-check-type `array`>}}
-
 ## Examples
 
 {{<schema `A schema that describes name and age properties and declares top level and nested valid examples`>}}

content/2020-12/meta-data/readOnly.markdown

@@ -63,8 +63,6 @@ conditions determined by a dynamic operator like [`anyOf`]({{< ref
 
 {{</common-pitfall>}}
 
-{{<metaschema-check-type `boolean`>}}
-
 ## Examples
 
 {{<schema `A schema that statically marks the id optional object property as read only`>}}

content/2020-12/meta-data/title.markdown

@@ -58,8 +58,6 @@ is through annotation collection.
 
 {{</common-pitfall>}}
 
-{{<metaschema-check-type `string`>}}
-
 ## Examples
 
 {{<schema `A schema that declares a top level title`>}}

content/2020-12/meta-data/writeOnly.markdown

@@ -63,8 +63,6 @@ conditions determined by a dynamic operator like [`anyOf`]({{< ref
 
 {{</common-pitfall>}}
 
-{{<metaschema-check-type `boolean`>}}
-
 ## Examples
 
 {{<schema `A schema that statically marks the password optional object property as write only`>}}

layouts/_default/single.html

@@ -41,6 +41,7 @@ <h1 class="fw-bold">{{ .Params.keyword }}</h1>
               <td class="text-break">
                 {{ if isset .Params "value" }}
                   <small>{{ .Params.value | markdownify }}</small>
+                  <small class="d-block mt-2 pt-1 border-top text-muted"><b>Hint:</b> Use the <a href="https://github.com/sourcemeta/jsonschema/blob/main/docs/metaschema.markdown"><code>jsonschema metaschema</code></a> command to catch keywords set to invalid values</small>
                 {{ else }}
                   {{ errorf "Keyword is missing value description" }}
                 {{ end }}
@@ -177,7 +178,7 @@ <h1 class="fw-bold">{{ .Params.keyword }}</h1>
                 {{ if isset .Params "annotation" }}
                   {{ partial "instance-badges.html" (dict "types" .Params.annotation.kind) }}
                   <small>{{ .Params.annotation.description }}</small>
-                  <small class="d-block mt-2 pt-1 border-top"><b>Hint:</b> You can use the <a href="https://github.com/sourcemeta/jsonschema/blob/main/docs/validate.markdown"><code>jsonschema validate</code></a> command to collect annotations from the command-line</small>
+                  <small class="d-block mt-2 pt-1 border-top text-muted"><b>Hint:</b> Use the <a href="https://github.com/sourcemeta/jsonschema/blob/main/docs/validate.markdown"><code>jsonschema validate</code></a> command to collect annotations from the command-line</small>
                 {{ else }}
                   <small>None</small>
                 {{ end }}