Truthy/falsy per JavaScript usual, except empty arrays are falsy

{{> item }} – interpolate item {{= item }} – interpolate item, escaped {{> item? }} – if item truthy, interpolate item {{= item? }} – if item truthy, interpolate item, escaped

{{? item : ... }} – if item truthy, process ... {{! item : ... }} – if item falsy, process ... {{? item -: ... }} – if item truthy, process ...(trimmed) {{! item -: ... }} – if item falsy, process ... (trimmed)

{{* items |item| ... }} – iterate {{* items -|item| ... }} – iterate (trimmed)

{{? : ... }} – if last ?/!/* item truthy, process ... {{! : ... }} – if last ?/!/* item falsy, process ... {{? -: ... }} – if last ?/!/* item truthy, process ... (trimmed) {{! -: ... }} – if last ?/!/* item falsy, process ... (trimmed)

{{# this is a comment }} – comment (cannot currently contain other braces) {{{}} – literal open bracket {{}} – literal close bracket

{-{ ... }} - trim whitespace before {{ ... }-} - trim whitespace after {-{ ... }-} - trim whitespace before and after