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diff --git a/autoload/filetype/hbs.kak b/autoload/filetype/hbs.kak
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+# http://handlebarsjs.com/
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*[.](hbs) %{
+    set-option buffer filetype hbs
+}
+
+hook global WinSetOption filetype=hbs %{
+    require-module hbs
+
+    hook window ModeChange pop:insert:.* -group hbs-trim-indent hbs-trim-indent
+    hook window InsertChar \n -group hbs-insert hbs-insert-on-new-line
+    hook window InsertChar \n -group hbs-indent hbs-indent-on-new-line
+    hook window InsertChar .* -group hbs-indent hbs-indent-on-char
+    hook window InsertChar '>' -group hbs-indent html-indent-on-greater-than
+    hook window InsertChar \n -group hbs-indent html-indent-on-new-line
+
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window hbs-.+ }
+}
+
+hook -group hbs-highlight global WinSetOption filetype=hbs %{
+    maybe-add-hbs-to-html
+    add-highlighter window/hbs-file ref hbs-file
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/hbs-file }
+}
+
+
+provide-module hbs %[
+
+require-module html
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/hbs regions
+add-highlighter shared/hbs/comment          region \{\{!--  --\}\} fill comment
+add-highlighter shared/hbs/comment_alt      region \{\{!      \}\} fill comment
+add-highlighter shared/hbs/block-expression region \{\{[#/]   \}\} regions
+add-highlighter shared/hbs/expression       region \{\{       \}\} regions
+
+define-command -hidden add-mutual-highlighters -params 1 %~
+    add-highlighter "shared/hbs/%arg{1}/code" default-region group
+    add-highlighter "shared/hbs/%arg{1}/single-quote" region '"'    (?<!\\)(\\\\)*" fill string
+    add-highlighter "shared/hbs/%arg{1}/double-quote" region "'"    (?<!\\)(\\\\)*' fill string
+    add-highlighter "shared/hbs/%arg{1}/code/variable" regex \b([\w-]+)\b 1:variable
+    add-highlighter "shared/hbs/%arg{1}/code/attribute" regex \b([\w-]+)= 1:attribute
+    add-highlighter "shared/hbs/%arg{1}/code/helper" regex (?:(?:\{\{)|\()([#/]?[\w-]+(?:/[\w-]+)*) 1:keyword
+~
+
+add-mutual-highlighters expression
+add-mutual-highlighters block-expression
+
+add-highlighter shared/hbs/block-expression/code/yield regex \b(as)\s|[\w-]+|\}\} 1:keyword
+
+
+# wrapper around shared/html highlighter.  The shared/hbs highlighter will be
+# added into shared/html when a buffer of filetype 'hbs' is actively displayed in the window.
+add-highlighter shared/hbs-file regions
+add-highlighter shared/hbs-file/html default-region ref html
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+define-command -hidden hbs-trim-indent %{
+    # remove trailing white spaces
+    try %{ execute-keys -draft -itersel x s \h+$ <ret> d }
+}
+
+define-command -hidden hbs-indent-on-char %[
+    evaluate-commands -draft -itersel %[
+        # de-indent after closing a yielded block tag
+        try %[ execute-keys -draft , <a-h> s ^\h+\{\{/([\w-.]+(?:/[\w-.]+)*)\}\}$ <ret> {c\{\{#<c-r>1,\{\{/<c-r>1\}\} <ret> s \A|.\z <ret> 1<a-&> ]
+    ]
+]
+
+define-command -hidden hbs-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 j p }
+    }
+}
+
+define-command -hidden hbs-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 : hbs-trim-indent <ret> }
+        # indent after lines beginning with : or -
+        try %{ execute-keys -draft k x <a-k> ^\h*[:-] <ret> j <a-gt> }
+    }
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+declare-option bool hbs_highlighters_enabled false
+
+define-command -hidden maybe-add-hbs-to-html %{ evaluate-commands %sh{
+    if [ "$kak_opt_hbs_highlighters_enabled" == "false" ]; then
+        printf %s "
+            add-highlighter shared/html/hbs region '\{\{' '\}\}' ref hbs
+            add-highlighter shared/html/tag/hbs region '\{\{' '\}\}' ref hbs
+            set-option global hbs_highlighters_enabled true
+        "
+    fi
+} }
+
+]