tpl/lang: Add new localized versions of lang.FormatNumber etc.

Fixes #8820

docs/content/en/content-management/image-processing/index.md

@@ -134,7 +134,7 @@ Or individually access EXIF data with dot access, e.g.:
 {{ end }}
 ```
 
-Some fields may need to be formatted with [`lang.NumFmt`]({{< relref "functions/numfmt" >}}) function to prevent display like `Aperture: 2.278934289` instead of `Aperture: 2.28`.
+Some fields may need to be formatted with [`lang.FormatNumberCustom`]({{< relref "functions/lang" >}}) function to prevent display like `Aperture: 2.278934289` instead of `Aperture: 2.28`.
 
 #### Exif fields
 

docs/content/en/functions/lang.md

@@ -1,10 +1,8 @@
 ---
-title: lang.NumFmt
-description: "Formats a number with a given precision using the requested `negative`, `decimal`, and `grouping` options. The `options` parameter is a string consisting of `<negative> <decimal> <grouping>`."
-godocref: ""
-date: 2017-02-01
-publishdate: 2017-02-01
-lastmod: 2017-08-21
+title: lang
+package: lang
+description: "TODO.."
+date: 2021-07-28
 categories: [functions]
 keywords: [numbers]
 menu:
@@ -12,18 +10,13 @@ menu:
     parent: "functions"
 toc: false
 signature: ["lang.NumFmt PRECISION NUMBER [OPTIONS [DELIMITER]]"]
-workson: []
-hugoversion:
-relatedfuncs: []
-deprecated: false
-draft: false
-aliases: []
-comments:
+aliases: ['/functions/numfmt/']
+type: 'template-func'
 ---
 
 The default options value is `- . ,`.  The default delimiter within the options
 value is a space.  If you need to use a space as one of the options, set a
-custom delimiter.
+custom delimiter.s
 
 Numbers greater than or equal to 5 are rounded up. For example, if precision is set to `0`, `1.5` becomes `2`, and `1.4` becomes `1`.
 

docs/content/en/functions/time.md

@@ -19,6 +19,7 @@ deprecated: false
 aliases: []
 ---
 
+
 `time` converts a timestamp string with an optional default location into a [`time.Time`](https://godoc.org/time#Time) structure so you can access its fields:
 
 ```