examples of syntax highlighting in function @usage blocks; 'static' member functions

tests/usage/config.ld

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+project = 'usage'
+file = 'usage.lua'
+format='markdown'
+no_return_or_parms=true
+no_summary=true

tests/usage/usage.lua

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+--[[--------
+A simple module with examples.
+
+@module usage
+]]
+
+local usage = {}
+
+----------
+-- A simple vector class
+-- @type Vector
+
+local Vector = {}
+usage.Vector = {}
+
+----------
+-- Create a vector from an array `t`.
+function Vector.new (t)
+end
+
+----------
+-- Create a vector from a string.
+-- @usage
+--  v = Vector.parse '[1,2,3]'
+--  assert (v == Vector.new {1,2,3})
+function Vector.parse (s)
+end
+
+----------
+-- Add another vector, array or scalar `v` to this vector.
+-- Returns new `Vector`
+-- @usage assert(Vector.new{1,2,3}:add(1) == Vector{2,3,4})
+function Vector:add (v)
+end
+
+return usage
+
+