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+# http://cukes.info
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*[.](feature|story) %{
+    set-option buffer filetype cucumber
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=cucumber %{
+    require-module cucumber
+
+    hook window ModeChange pop:insert:.* -group cucumber-trim-indent cucumber-trim-indent
+    hook window InsertChar \n -group cucumber-insert cucumber-insert-on-new-line
+    hook window InsertChar \n -group cucumber-indent cucumber-indent-on-new-line
+
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window cucumber-.+ }
+}
+
+hook -group cucumber-highlight global WinSetOption filetype=cucumber %{
+    add-highlighter window/cucumber ref cucumber
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/cucumber }
+}
+
+
+provide-module cucumber %{
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/cucumber regions
+add-highlighter shared/cucumber/code default-region group
+add-highlighter shared/cucumber/language region ^\h*#\h*language: $ group
+add-highlighter shared/cucumber/comment  region ^\h*#             $ fill comment
+
+add-highlighter shared/cucumber/language/ fill meta
+add-highlighter shared/cucumber/language/ regex \S+$ 0:value
+
+# Spoken languages
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+# https://github.com/cucumber/cucumber/wiki/Spoken-languages
+#
+# curl --location https://github.com/cucumber/gherkin/raw/master/lib/gherkin/i18n.json
+#
+# {
+#   "en": {
+#     "name": "English",
+#     "native": "English",
+#     "feature": "Feature|Business Need|Ability",
+#     "background": "Background",
+#     "scenario": "Scenario",
+#     "scenario_outline": "Scenario Outline|Scenario Template",
+#     "examples": "Examples|Scenarios",
+#     "given": "*|Given",
+#     "when": "*|When",
+#     "then": "*|Then",
+#     "and": "*|And",
+#     "but": "*|But"
+#   },
+#   …
+# }
+#
+# jq 'with_entries({ key: .key, value: .value | del(.name) | del(.native) | join("|") })'
+#
+# {
+#   "en": "Feature|Business Need|Ability|Background|Scenario|Scenario Outline|Scenario Template|Examples|Scenarios|*|Given|*|When|*|Then|*|And|*|But",
+#   …
+# }
+
+add-highlighter shared/cucumber/code/ regex \b(Feature|Business\h+Need|Ability|Background|Scenario|Scenario\h+Outline|Scenario\h+Template|Examples|Scenarios|Given|When|Then|And|But)\b 0:keyword
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+define-command -hidden cucumber-trim-indent %{
+    # remove trailing white spaces
+    try %{ execute-keys -draft -itersel x s \h+$ <ret> d }
+}
+
+define-command -hidden cucumber-insert-on-new-line %{
+    evaluate-commands -draft -itersel %{
+        # copy '#' comment prefix and following white spaces
+        try %{ execute-keys -draft k x s ^\h*\K#\h* <ret> y gh j P }
+    }
+}
+
+define-command -hidden cucumber-indent-on-new-line %{
+    evaluate-commands -draft -itersel %{
+        # preserve previous line indent
+        try %{ execute-keys -draft <semicolon> K <a-&> }
+        # filter previous line
+        try %{ execute-keys -draft k : cucumber-trim-indent <ret> }
+        # indent after lines containing :
+        try %{ execute-keys -draft , k x <a-k> : <ret> j <a-gt> }
+    }
+}
+
+}