Merge commit 'da16527896d3087585c5e758083ea498dcabc2c3'

22 files changed, 168 insertions, 21 deletions

diff --git a/docs/content/en/functions/abslangurl.md b/docs/content/en/functions/abslangurl.md
index 11d540bde..2e1996f7e 100644
--- a/docs/content/en/functions/abslangurl.md
+++ b/docs/content/en/functions/abslangurl.md
@@ -55,6 +55,7 @@ With `baseURL = https://example.org/docs/`
 {{ absLangURL "/" }}          →   https://example.org/en/
 {{ absLangURL "/articles" }}  →   https://example.org/en/articles
 {{ absLangURL "/style.css" }} →   https://example.org/en/style.css
+```
 
 {{% note %}}
 The last three examples are not desirable in most situations. As a best practice, never include a leading slash when using this function.
diff --git a/docs/content/en/functions/chomp.md b/docs/content/en/functions/chomp.md
index c56505c2c..3e61c8db5 100644
--- a/docs/content/en/functions/chomp.md
+++ b/docs/content/en/functions/chomp.md
@@ -10,7 +10,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [trim]
-signature: ["chomp INPUT"]
+signature:
+  - "chomp INPUT"
+  - "strings.Chomp INPUT"
 workson: []
 hugoversion:
 relatedfuncs: [truncate]
diff --git a/docs/content/en/functions/countrunes.md b/docs/content/en/functions/countrunes.md
index 0acef095b..01ded4d6f 100644
--- a/docs/content/en/functions/countrunes.md
+++ b/docs/content/en/functions/countrunes.md
@@ -9,7 +9,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [counting, word count]
-signature: ["countrunes INPUT"]
+signature:
+  - "countrunes INPUT"
+  - "strings.CountRunes INPUT"
 workson: []
 hugoversion:
 relatedfuncs: []
diff --git a/docs/content/en/functions/crypto.FNV32a.md b/docs/content/en/functions/crypto.FNV32a.md
new file mode 100644
index 000000000..dddf7a9aa
--- /dev/null
+++ b/docs/content/en/functions/crypto.FNV32a.md
@@ -0,0 +1,15 @@
+---
+title: crypto.FNV32a
+description: Returns the FNV (Fowler–Noll–Vo) 32 bit hash of a given string.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [crypto hash FNV32 Fowler-Noll-Vo]
+signature: ["crypto.FNV32a STRING"]
+aliases: []
+---
+
+This function calculates the 32 bit [FNV1a hash](https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function#FNV-1a_hash) of a given string according to the [specification](https://datatracker.ietf.org/doc/html/draft-eastlake-fnv-12):
+
+    {{ crypto.FNV32a "Hello world" }} → 1498229191
diff --git a/docs/content/en/functions/dateformat.md b/docs/content/en/functions/dateformat.md
index 7a16e80b2..210913b87 100644
--- a/docs/content/en/functions/dateformat.md
+++ b/docs/content/en/functions/dateformat.md
@@ -9,7 +9,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [dates,time,strings]
-signature: ["time.Format LAYOUT INPUT"]
+signature:
+  - "time.Format LAYOUT INPUT"
+  - "dateFormat LAYOUT INPUT"
 workson: []
 hugoversion:
 relatedfuncs: [Format,now,Unix,time]
diff --git a/docs/content/en/functions/duration.md b/docs/content/en/functions/duration.md
new file mode 100644
index 000000000..bf771c0a9
--- /dev/null
+++ b/docs/content/en/functions/duration.md
@@ -0,0 +1,32 @@
+---
+title: duration
+description: Returns a `time.Duration` structure, using the given time unit and duration number.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [time duration]
+signature: ["duration TIME_UNIT DURATION_NUMBER"]
+aliases: []
+---
+
+`time.Duration` converts a given number into a [`time.Duration`](https://pkg.go.dev/time#Duration) structure so you can access its fields. E.g. you can perform [time operations](https://pkg.go.dev/time#Duration) on the returned `time.Duration` value:
+
+    {{ printf "There are %.0f seconds in one day." (duration "hour" 24).Seconds }}
+    <!-- Output: There are 86400 seconds in one day. -->
+
+Make your code simpler to understand by using a [chained pipeline](https://pkg.go.dev/text/template#hdr-Pipelines):
+
+    {{ mul 7.75 60 | duration "minute" }} → 7h45m0s
+    {{ mul 120 60 | mul 1000 | duration "millisecond" }} → 2h0m0s
+
+You have to specify a time unit for the number given to the function. Valid time units are:
+
+Duration|Valid time units
+:--|:--
+hours|`hour`, `h`
+minutes|`minute`, `m`
+seconds|`second`, `s`
+milliseconds|`millisecond`, `ms`
+microseconds|`microsecond`, `us`, `µs`
+nanoseconds|`nanosecond`, `ns`
diff --git a/docs/content/en/functions/emojify.md b/docs/content/en/functions/emojify.md
index 20e30fafa..a323470b7 100644
--- a/docs/content/en/functions/emojify.md
+++ b/docs/content/en/functions/emojify.md
@@ -16,7 +16,7 @@ relatedfuncs: []
 deprecated: false
 ---
 
-`emoji` runs a passed string through the Emoji emoticons processor.
+`emojify` runs a passed string through the Emoji emoticons processor.
 
 See the [Emoji cheat sheet][emojis] for available emoticons.
 
diff --git a/docs/content/en/functions/findRe.md b/docs/content/en/functions/findRe.md
index 2896e3cd1..8e08bfc0d 100644
--- a/docs/content/en/functions/findRe.md
+++ b/docs/content/en/functions/findRe.md
@@ -12,7 +12,7 @@ signature:
 relatedfuncs: [replaceRE]
 aliases: []
 ---
-By default, the `findRE` function finds all matches. You can limit the number of matches with an optional LIMIT paramater.
+By default, the `findRE` function finds all matches. You can limit the number of matches with an optional LIMIT parameter.
 
 When specifying the regular expression, use a raw [string literal] (backticks) instead of an interpreted string literal (double quotes) to simplify the syntax. With an interpreted string literal you must escape backslashes.
 
diff --git a/docs/content/en/functions/i18n.md b/docs/content/en/functions/i18n.md
index 34a6ff022..8f8c9642c 100644
--- a/docs/content/en/functions/i18n.md
+++ b/docs/content/en/functions/i18n.md
@@ -10,7 +10,10 @@ menu:
   docs:
     parent: "functions"
 keywords: [internationalization,i18n,multilingual]
-signature: ["i18n KEY", "T KEY"]
+signature:
+  - "i18n KEY"
+  - "T KEY"
+  - "lang.Translate KEY"
 workson: []
 hugoversion:
 relatedfuncs: []
diff --git a/docs/content/en/functions/lower.md b/docs/content/en/functions/lower.md
index 0e8ba6c6d..3fbfc919b 100644
--- a/docs/content/en/functions/lower.md
+++ b/docs/content/en/functions/lower.md
@@ -10,7 +10,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [strings,casing]
-signature: ["lower INPUT"]
+signature:
+  - "lower INPUT"
+  - "strings.ToLower INPUT"
 workson: []
 hugoversion:
 relatedfuncs: []
@@ -18,6 +20,10 @@ deprecated: false
 aliases: []
 ---
 
-```
-{{lower "BatMan"}} → "batman"
+
+Note that `lower` can be applied in your templates in more than one way:
+
+```go-html-template
+{{ lower "BatMan" }} → "batman"
+{{ "BatMan" | lower }} → "batman"
 ```
diff --git a/docs/content/en/functions/replace.md b/docs/content/en/functions/replace.md
index 07b83d035..36e392015 100644
--- a/docs/content/en/functions/replace.md
+++ b/docs/content/en/functions/replace.md
@@ -8,11 +8,13 @@ categories: [functions]
 menu:
   docs:
     parent: "functions"
-keywords: []
-signature: ["strings.Replace INPUT OLD NEW [LIMIT]", "replace INPUT OLD NEW [LIMIT]"]
+keywords: [replace]
+signature: 
+  - "replace INPUT OLD NEW [LIMIT]"
+  - "strings.Replace INPUT OLD NEW [LIMIT]"
 workson: []
 hugoversion:
-relatedfuncs: []
+relatedfuncs: [replaceRE]
 deprecated: false
 aliases: []
 ---
diff --git a/docs/content/en/functions/replacere.md b/docs/content/en/functions/replacere.md
index f1e34ba65..cc4eb5dc2 100644
--- a/docs/content/en/functions/replacere.md
+++ b/docs/content/en/functions/replacere.md
@@ -5,14 +5,14 @@ categories: [functions]
 menu:
   docs:
     parent: functions
-keywords: [regex]
+keywords: [replace regex]
 signature:
   - "replaceRE PATTERN REPLACEMENT INPUT [LIMIT]"
   - "strings.ReplaceRE PATTERN REPLACEMENT INPUT [LIMIT]"
-relatedfuncs: [findRE]
+relatedfuncs: [replace,findRE]
 aliases: []
 ---
-By default, the `replaceRE` function replaces all matches. You can limit the number of matches with an optional LIMIT paramater.
+By default, the `replaceRE` function replaces all matches. You can limit the number of matches with an optional LIMIT parameter.
 
 When specifying the regular expression, use a raw [string literal] (backticks) instead of an interpreted string literal (double quotes) to simplify the syntax. With an interpreted string literal you must escape backslashes.
 
diff --git a/docs/content/en/functions/slicestr.md b/docs/content/en/functions/slicestr.md
index 254ad9a61..8164f2720 100644
--- a/docs/content/en/functions/slicestr.md
+++ b/docs/content/en/functions/slicestr.md
@@ -10,7 +10,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [strings]
-signature: ["slicestr STRING START [END]"]
+signature:
+  - "slicestr STRING START [END]"
+  - "strings.SliceString STRING START [END]"
 workson: []
 hugoversion:
 relatedfuncs: []
diff --git a/docs/content/en/functions/strings.Contains.md b/docs/content/en/functions/strings.Contains.md
new file mode 100644
index 000000000..8ebd9ad33
--- /dev/null
+++ b/docs/content/en/functions/strings.Contains.md
@@ -0,0 +1,18 @@
+---
+title: strings.Contains
+description: Reports whether a string contains a substring.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [string strings substring contains]
+signature: ["strings.Contains STRING SUBSTRING"]
+aliases: []
+relatedfuncs: [strings.ContainsAny]
+---
+
+    {{ strings.Contains "Hugo" "go" }} → true
+
+The check is case sensitive: 
+
+    {{ strings.Contains "Hugo" "Go" }} → false
diff --git a/docs/content/en/functions/strings.ContainsAny.md b/docs/content/en/functions/strings.ContainsAny.md
new file mode 100644
index 000000000..bfbc2242b
--- /dev/null
+++ b/docs/content/en/functions/strings.ContainsAny.md
@@ -0,0 +1,18 @@
+---
+title: strings.ContainsAny
+description: Reports whether a string contains any character from a given string.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [string strings substring contains any]
+signature: ["strings.ContainsAny STRING CHARACTERS"]
+aliases: []
+relatedfuncs: [strings.Contains]
+---
+
+    {{ strings.ContainsAny "Hugo" "gm" }} → true
+
+The check is case sensitive: 
+
+    {{ strings.ContainsAny "Hugo" "Gm" }} → false
diff --git a/docs/content/en/functions/strings.FirstUpper.md b/docs/content/en/functions/strings.FirstUpper.md
new file mode 100644
index 000000000..b97d00f29
--- /dev/null
+++ b/docs/content/en/functions/strings.FirstUpper.md
@@ -0,0 +1,14 @@
+---
+title: strings.FirstUpper
+description: Capitalizes the first character of a given string.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [strings capitalize uppercase first]
+signature: ["strings.FirstUpper STRING"]
+hugoversion:
+aliases: []
+---
+
+    {{ strings.FirstUpper "foo" }} → "Foo"
diff --git a/docs/content/en/functions/substr.md b/docs/content/en/functions/substr.md
index 31f733e0b..4a00b6eb1 100644
--- a/docs/content/en/functions/substr.md
+++ b/docs/content/en/functions/substr.md
@@ -11,7 +11,9 @@ menu:
     parent: "functions"
 keywords: [strings]
 aliases: []
-signature: ["substr STRING START [LENGTH]"]
+signature:
+  - "substr STRING START [LENGTH]"
+  - "strings.Substr STRING START [LENGTH]"
 workson: []
 hugoversion:
 relatedfuncs: []
diff --git a/docs/content/en/functions/time.ParseDuration.md b/docs/content/en/functions/time.ParseDuration.md
new file mode 100644
index 000000000..aabba601a
--- /dev/null
+++ b/docs/content/en/functions/time.ParseDuration.md
@@ -0,0 +1,20 @@
+---
+title: time.ParseDuration
+description: Parses a given duration string into a `time.Duration` structure.
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [time parse duration]
+signature: ["time.ParseDuration DURATION"]
+hugoversion:
+aliases: []
+---
+
+`time.ParseDuration` parses a duration string into a [`time.Duration`](https://pkg.go.dev/time#Duration) structure so you can access its fields.
+A duration string is a possibly signed sequence of decimal numbers, each with optional fraction and a unit suffix, such as `300ms`, `-1.5h` or `2h45m`. Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`.
+
+You can perform [time operations](https://pkg.go.dev/time#Duration) on the returned `time.Duration` value:
+
+    {{ printf "There are %.0f seconds in one day." (time.ParseDuration "24h").Seconds }}
+    <!-- Output: There are 86400 seconds in one day. -->
diff --git a/docs/content/en/functions/title.md b/docs/content/en/functions/title.md
index 201e4c140..6c87d69ac 100644
--- a/docs/content/en/functions/title.md
+++ b/docs/content/en/functions/title.md
@@ -10,7 +10,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [strings]
-signature: ["title INPUT"]
+signature:
+  - "title INPUT"
+  - "strings.Title INPUT"
 workson: []
 hugoversion:
 relatedfuncs: []
diff --git a/docs/content/en/functions/trim.md b/docs/content/en/functions/trim.md
index 7945ffef9..fec435ec7 100644
--- a/docs/content/en/functions/trim.md
+++ b/docs/content/en/functions/trim.md
@@ -10,7 +10,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [strings]
-signature: ["trim INPUT CUTSET"]
+signature:
+  - "trim INPUT CUTSET"
+  - "strings.Trim INPUT CUTSET"
 workson: []
 hugoversion:
 relatedfuncs: []
diff --git a/docs/content/en/functions/truncate.md b/docs/content/en/functions/truncate.md
index 8d0dd36b1..54cfb3612 100644
--- a/docs/content/en/functions/truncate.md
+++ b/docs/content/en/functions/truncate.md
@@ -10,7 +10,9 @@ menu:
   docs:
     parent: "functions"
 keywords: [strings]
-signature: ["truncate SIZE INPUT", "truncate SIZE ELLIPSIS INPUT"]
+signature:
+  - "truncate SIZE [ELLIPSIS] INPUT"
+  - "strings.Truncate SIZE [ELLIPSIS] INPUT"
 workson: []
 hugoversion: 19
 relatedfuncs: []
diff --git a/docs/content/en/functions/upper.md b/docs/content/en/functions/upper.md
index c7d523217..02f4cd578 100644
--- a/docs/content/en/functions/upper.md
+++ b/docs/content/en/functions/upper.md
@@ -11,7 +11,9 @@ menu:
   docs:
     parent: "functions"
 toc:
-signature: ["upper INPUT"]
+signature:
+  - "upper INPUT"
+  - "strings.ToUpper INPUT"
 workson: []
 hugoversion:
 relatedfuncs: []