define: DUK_USE_STRICT_UTF8_SOURCE
introduced: 1.0.0
default: false
tags:
  - ecmascript
description: >
  Enable strict UTF-8 parsing of source code.

  When disabled, non-shortest encodings (normally invalid UTF-8) and surrogate
  pair codepoints are accepted as valid source code characters.  Disabling
  this option breaks compatibility with some test262 tests.