Generate updated README files

src/components/back-link/README.md

@@ -47,6 +47,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -119,6 +121,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/breadcrumbs/README.md

@@ -228,6 +228,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -312,6 +314,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/button/README.md

@@ -164,6 +164,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -296,6 +298,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/checkboxes/README.md

@@ -531,6 +531,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -759,6 +761,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/date-input/README.md

@@ -473,6 +473,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -617,6 +619,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/details/README.md

@@ -118,6 +118,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -214,6 +216,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/error-message/README.md

@@ -48,6 +48,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -120,6 +122,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/error-summary/README.md

@@ -84,6 +84,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -192,6 +194,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/fieldset/README.md

@@ -82,6 +82,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -190,6 +192,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/file-upload/README.md

@@ -189,6 +189,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -309,6 +311,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/footer/README.md

@@ -81,6 +81,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -261,6 +263,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/header/README.md

@@ -342,6 +342,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -510,6 +512,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/hint/README.md

@@ -62,6 +62,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -134,6 +136,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/input/README.md

@@ -261,6 +261,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -393,6 +395,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/inset-text/README.md

@@ -62,6 +62,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -134,6 +136,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/label/README.md

@@ -86,6 +86,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -170,6 +172,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/panel/README.md

@@ -56,6 +56,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -128,6 +130,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views:

src/components/phase-banner/README.md

@@ -57,6 +57,8 @@ In order to include the images used in the components, you need to configure you
 
 If you are using Nunjucks,then macros take the following arguments
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 <table class="govuk-table">
 
 <thead class="govuk-table__head">
@@ -129,6 +131,8 @@ If you are using Nunjucks,then macros take the following arguments
 
 </table>
 
+**If you’re using Nunjucks macros in production be aware that using `html` arguments, or ones ending with `Html` can be a [security risk](https://en.wikipedia.org/wiki/Cross-site_scripting). More about it in the [Nunjucks documentation](https://mozilla.github.io/nunjucks/api.html#user-defined-templates-warning).**
+
 ### Setting up Nunjucks views and paths
 
 Below is an example setup using express configure views: