Add code fence types (#2038)

* Add code fence types

* Revert back to html

content/en/functions/after.md

@@ -19,7 +19,7 @@ aliases: []
 
 The following shows `after` being used in conjunction with the [`slice` function][slice]:
 
-```
+```go-html-template
 {{ $data := slice "one" "two" "three" "four" }}
 {{ range after 2 $data }}
     {{ . }}

content/en/functions/apply.md

@@ -37,7 +37,7 @@ names: [ "Derek Perkins", "Joe Bergevin", "Tanner Linsley" ]
 
 You can then use `apply` as follows:
 
-```
+```go-html-template
 {{ apply .Params.names "urlize" "." }}
 ```
 
@@ -49,7 +49,7 @@ Which will result in the following:
 
 This is *roughly* equivalent to using the following with [range]:
 
-```
+```go-html-template
 {{ range .Params.names }}{{ . | urlize }}{{ end }}
 ```
 
@@ -83,7 +83,7 @@ This works, but the complexity of `post-tag-list.html` is fairly high. The Hugo
 
 This first version of `layouts/partials/post-tag-list.html` separates all of the operations for ease of reading. The combined and DRYer version is shown next:
 
-```
+```go-html-template
 {{ with .Params.tags }}
     <div class="tags-list">
       Tags:

content/en/functions/base64.md

@@ -42,7 +42,7 @@ You can also pass other data types as arguments to the template function which t
 Using base64 to decode and encode becomes really powerful if we have to handle
 responses from APIs.
 
-```
+```go-html-template
 {{ $resp := getJSON "https://api.github.com/repos/gohugoio/hugo/readme" }}
 {{ $resp.content | base64Decode | markdownify }}
 ```

content/en/functions/chomp.md

@@ -21,6 +21,6 @@ deprecated: false
 
 Useful in a pipeline to remove newlines added by other processing (e.g., [`markdownify`](/functions/markdownify/)).
 
-```
+```go-html-template
 {{ chomp "<p>Blockhead</p>\n"}} → "<p>Blockhead</p>"
 ```

content/en/functions/cond.md

@@ -17,7 +17,7 @@ draft: false
 
 Example:
 
-```
+```go-html-template
 {{ cond (eq (len $geese) 1) "goose" "geese" }}
 ```
 

content/en/functions/countrunes.md

@@ -20,7 +20,7 @@ deprecated: false
 
 In contrast with `countwords` function, which counts every word in a string, the `countrunes` function determines the number of runes in the content and excludes any whitespace. This has specific utility if you are dealing with CJK-like languages.
 
-```
+```go-html-template
 {{ "Hello, 世界" | countrunes }}
 <!-- outputs a content length of 8 runes. -->
 ```

content/en/functions/countwords.md

@@ -18,7 +18,7 @@ deprecated: false
 
 The template function works similar to the [.WordCount page variable][pagevars].
 
-```
+```go-html-template
 {{ "Hugo is a static site generator." | countwords }}
 <!-- outputs a content length of 6 words.  -->
 ```

content/en/functions/default.md

@@ -42,7 +42,7 @@ newparam:
 
 `default` can be written in more than one way:
 
-```
+```go-html-template
 {{ index .Params "font" | default "Roboto" }}
 {{ default "Roboto" (index .Params "font") }}
 ```
@@ -58,7 +58,7 @@ A `default` value, however, does not need to be hard coded like the previous exa
 
 Which would return:
 
-```
+```html
 <p>The default function helps make your templating DRYer.</p>
 ```
 

content/en/functions/delimit.md

@@ -21,7 +21,7 @@ aliases: []
 
 `delimit` called in your template takes the form of
 
-```
+```go-html-template
 {{ delimit array/slice/map delimiter optionallastdelimiter }}
 ```
 

content/en/functions/echoparam.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ echoParam .Params "project_url" }}
 ```

content/en/functions/eq.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ if eq .Section "blog" }}current{{ end }}
 ```

content/en/functions/errorf.md

@@ -22,11 +22,11 @@ Any ERROR will also cause the build to fail (the `hugo` command will `exit -1`).
 
 Both functions return an empty string, so the messages are only printed to the console.
 
-```
+```go-html-template
 {{ errorf "Failed to handle page %q" .Path }}
 ```
 
-```
+```go-html-template
 {{ warnf "You should update the shortcodes in %q" .Path }}
 ```
 
@@ -38,7 +38,7 @@ Sometimes it may make sense to let the user suppress an ERROR and make the build
 
 You can do this by using the `erroridf` function. This functions takes an error ID as the first argument.
 
-```
+```go-html-template
 {{ erroridf "my-custom-error" "You should consider fixing this." }}
 ```  
 

content/en/functions/format.md

@@ -97,7 +97,7 @@ Spelled-out cardinal numbers (e.g. "one", "two", and "three") are not currently
 
 Use the [`humanize`](/functions/humanize) function to render the day of the month as an ordinal number:
 
-```
+```go-html-template
 {{ humanize .Date.Day }} of {{ .Date.Format "January 2006" }}
 ```
 

content/en/functions/ge.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ if ge 10 5 }}true{{ end }}
 ```

content/en/functions/gt.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ if gt 10 5 }}true{{ end }}
 ```

content/en/functions/i18n.md

@@ -23,7 +23,7 @@ aliases: []
 
 This translates a piece of content based on your `i18n/en-US.toml` files. You can use the [go-i18n](https://github.com/nicksnyder/go-i18n) tools to manage your translations. The translations can exist in both the theme and at the root of your repository.
 
-```
+```go-html-template
 {{ i18n "translation_id" }}
 ```
 
@@ -35,7 +35,7 @@ This translates a piece of content based on your `i18n/en-US.toml` files. You ca
 
 Often you will want to use the page variables in the translation strings. To do so, pass the `.` context when calling `i18n`:
 
-```
+```go-html-template
 {{ i18n "wordCount" . }}
 ```
 

content/en/functions/in.md

@@ -22,11 +22,11 @@ The elements supported are strings, integers and floats, although only float64 w
 
 In addition, `in` can also check if a substring exists in a string.
 
-```
+```go-html-template
 {{ if in .Params.tags "Git" }}Follow me on GitHub!{{ end }}
 ```
 
 
-```
+```go-html-template
 {{ if in "this string contains a substring" "substring" }}Substring found!{{ end }}
 ```

content/en/functions/index-function.md

@@ -69,7 +69,7 @@ pop_metro = 1717900
 
 The example we will use will be an article on Oslo, whose front matter should be set to exactly the same name as the corresponding file name in `data/locations/`:
 
-```
+```toml
 title = "My Norwegian Vacation"
 location = "oslo"
 ```
@@ -81,8 +81,8 @@ This is where the `index` function is needed. `index` takes 2 parameters in this
 1. The node path
 2. A string corresponding to the desired data; e.g.—
 
-```
-{{ index .Site.Data.locations “oslo” }}
+```go-html-template
+{{ index .Site.Data.locations "oslo" }}
 ```
 
 The variable for `.Params.location` is a string and can therefore replace `oslo` in the example above:

content/en/functions/int.md

@@ -32,7 +32,7 @@ number representation.
 
 The `strings.TrimLeft` can be used for this purpose.
 
-```
+```go-html-template
 {{ int ("0987" | strings.TrimLeft "0") }}
 {{ int ("00987" | strings.TrimLeft "0") }}
 ```

content/en/functions/intersect.md

@@ -21,7 +21,7 @@ A useful example is to use it as `AND` filters when combined with where:
 
 ## AND filter in where query
 
-```
+```go-html-template
 {{ $pages := where .Site.RegularPages "Type" "not in" (slice "page" "about") }}
 {{ $pages := $pages | union (where .Site.RegularPages "Params.pinned" true) }}
 {{ $pages := $pages | intersect (where .Site.RegularPages "Params.images" "!=" nil) }}

content/en/functions/isset.md

@@ -20,7 +20,7 @@ aliases: []
 
 Takes either a slice, array, or channel and an index or a map and a key as input.
 
-```
+```go-html-template
 {{ if isset .Params "project_url" }} {{ index .Params "project_url" }}{{ end }}
 ```
 

content/en/functions/jsonify.md

@@ -26,7 +26,7 @@ the output will begin on a new line beginning with *prefix* followed by one or
 more copies of *indent* according to the indentation nesting.
 
 
-```
+```go-html-template
 {{ dict "title" .Title "content" .Plain | jsonify }}
 {{ dict "title" .Title "content" .Plain | jsonify (dict "indent" "  ") }}
 {{ dict "title" .Title "content" .Plain | jsonify (dict "prefix" " " "indent" "  ") }}

content/en/functions/last.md

@@ -20,7 +20,7 @@ draft: false
 aliases: []
 ---
 
-```
+```go-html-template
 {{ range last 10 .Pages }}
     {{ .Render "summary" }}
 {{ end }}

content/en/functions/le.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ if le 5 10 }}true{{ end }}
 ```

content/en/functions/lt.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ if lt 5 10 }}true{{ end }}
 ```

content/en/functions/markdownify.md

@@ -15,7 +15,7 @@ deprecated: false
 aliases: []
 ---
 
-```
+```go-html-template
 {{ .Title | markdownify }}
 ```
 

content/en/functions/md5.md

@@ -18,7 +18,7 @@ deprecated: false
 aliases: []
 ---
 
-```
+```go-html-template
 {{ md5 "Hello world, gophers!" }}
 <!-- returns the string "b3029f756f98f79e7f1b7f1d1f0dd53b" -->
 ```

content/en/functions/ne.md

@@ -19,6 +19,6 @@ aliases: []
 ---
 
 
-```
+```go-html-template
 {{ if ne .Section "blog" }}current{{ end }}
 ```

content/en/functions/now.md

@@ -22,7 +22,7 @@ See [`time.Time`](https://godoc.org/time#Time).
 
 For example, building your site on June 24, 2017, with the following templating:
 
-```
+```go-html-template
 <div>
     <small>&copy; {{ now.Format "2006"}}</small>
 </div>
@@ -30,7 +30,7 @@ For example, building your site on June 24, 2017, with the following templating:
 
 would produce the following:
 
-```
+```html
 <div>
     <small>&copy; 2017</small>
 </div>

content/en/functions/partialCached.md

@@ -38,7 +38,7 @@ You can also pass additional parameters to `partialCached` to create *variants*
 
 If you need to pass additional parameters to create unique variants, you can pass as many variant parameters as you need:
 
-```
+```go-html-template
 {{ partialCached "footer.html" . .Params.country .Params.province }}
 ```
 

content/en/functions/printf.md

@@ -19,10 +19,10 @@ deprecated: false
 
 See [the go doc](https://golang.org/pkg/fmt/) for additional information.
 
-```
+```go-html-template
 {{ i18n ( printf "combined_%s" $var ) }}
 ```
 
-```
+```go-html-template
 {{ printf "formatted %.2f" 3.1416 }}
 ```

content/en/functions/render.md

@@ -23,7 +23,7 @@ This function is only available when applied to a single piece of content within
 
 This example could render a piece of content using the content view located at `/layouts/_default/summary.html`:
 
-```
+```go-html-template
 {{ range .Pages }}
     {{ .Render "summary"}}
 {{ end }}

content/en/functions/safeHTML.md

@@ -33,7 +33,7 @@ copyright = "© 2015 Jane Doe.  <a href=\"https://creativecommons.org/licenses/b
 
 However, without the `safeHTML` function, html/template assumes `.Site.Copyright` to be unsafe and therefore escapes all HTML tags and renders the whole string as plain text:
 
-```
+```html
 <p>© 2015 Jane Doe.  &lt;a href=&#34;https://creativecommons.org/licenses by/4.0/&#34;&gt;Some rights reserved&lt;/a&gt;.</p>
 ```
 

content/en/functions/seq.md

@@ -33,14 +33,14 @@ It's named and used in the model of [GNU's seq].
 
 You can use `seq` in combination with `range` and `after`. The following will return 19 elements:
 
-```
+```go-html-template
 {{ range after 1 (seq 20)}}
 {{ end }}
 ```
 
 However, when ranging with an index, the following may be less confusing in that `$indexStartingAt1` and `$num` will return `1,2,3 ... 20`:
 
-```
+```go-html-template
 {{ range $index, $num := (seq 20) }}
 $indexStartingAt1 := (add $index 1)
 {{ end }}

content/en/functions/sha.md

@@ -20,14 +20,14 @@ aliases: [sha1, sha256]
 
 `sha1` hashes the given input and returns its SHA1 checksum.
 
-```
+```go-html-template
 {{ sha1 "Hello world, gophers!" }}
 <!-- returns the string "c8b5b0e33d408246e30f53e32b8f7627a7a649d4" -->
 ```
 
 `sha256` hashes the given input and returns its SHA256 checksum.
 
-```
+```go-html-template
 {{ sha256 "Hello world, gophers!" }}
 <!-- returns the string "6ec43b78da9669f50e4e422575c54bf87536954ccd58280219c393f2ce352b46" -->
 ```

content/en/functions/strings.RuneCount.md

@@ -19,7 +19,7 @@ aliases: []
 
 In contrast with `strings.CountRunes` function, which strips HTML and whitespace before counting runes, `strings.RuneCount` simply counts all the runes in a string. It relies on the Go [`utf8.RuneCountInString`] function.
 
-```
+```go-html-template
 {{ "Hello, 世界" | strings.RuneCount }}
 <!-- outputs a content length of 9 runes. -->
 ```

content/en/functions/title.md

@@ -27,7 +27,7 @@ aliases: []
 
 Can be combined in pipes. In the following snippet, the link text is cleaned up using `humanize` to remove dashes and `title` to convert the value of `$name` to Initial Caps.
 
-```
+```go-html-template
 {{ range $name, $items := .Site.Taxonomies.categories }}
     <li><a href="{{ printf "%s/%s" "categories" ($name | urlize | lower) | absURL }}">{{ $name | humanize | title }} ({{ len $items }})</a></li>
 {{ end }}

content/en/functions/transform.Unmarshal.md

@@ -52,7 +52,7 @@ As a convenience, Hugo allows you to access XML data in the same way that you ac
 
 To get the contents of `<title>` in the document below, you use `{{ .message.title }}`:
 
-```
+```xml
 <root>
     <message>
         <title>Hugo rocks!</title>
@@ -63,7 +63,7 @@ To get the contents of `<title>` in the document below, you use `{{ .message.tit
 
 The following example lists the items of an RSS feed:
 
-```
+```go-html-template
 {{ with resources.Get "https://example.com/rss.xml" | transform.Unmarshal }}
     {{ range .channel.item }}
         <strong>{{ .title | plainify | htmlUnescape }}</strong><br />

content/en/functions/trim.md

@@ -25,13 +25,13 @@ deprecated: false
 
 `trim` *requires* the second argument, which tells the function specifically what to remove from the first argument. There is no default value for the second argument, so **the following usage will not work**:
 
-```
+```go-html-template
 {{ trim .Inner }}
 ```
 
 Instead, the following example tells `trim` to remove extra new lines from the content contained in the [shortcode `.Inner` variable][shortcodevars]:
 
-```
+```go-html-template
 {{ trim .Inner "\n" }}
 ```
 

content/en/functions/union.md

@@ -20,7 +20,7 @@ aliases: []
 
 Given two arrays (or slices) A and B, this function will return a new array that contains the elements or objects that belong to either A or to B or to both. The elements supported are strings, integers, and floats (only float64).
 
-```
+```go-html-template
 {{ union (slice 1 2 3) (slice 3 4 5) }}
 <!-- returns [1 2 3 4 5] -->
 
@@ -38,7 +38,7 @@ Given two arrays (or slices) A and B, this function will return a new array that
 
 This is also very useful to use as `OR` filters when combined with where:
 
-```
+```go-html-template
 {{ $pages := where .Site.RegularPages "Type" "not in" (slice "page" "about") }}
 {{ $pages = $pages | union (where .Site.RegularPages "Params.pinned" true) }}
 {{ $pages = $pages | intersect (where .Site.RegularPages "Params.images" "!=" nil) }}