<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Description</title><section id="sec_4.1"><label>4.1</label><title>General</title></section><section id="sec_4.2"><label>4.2</label><title>Operating condition</title></section><section id="sec_4.3"><label>4.3</label><title>Description of the system</title><section id="sec_4.3.1"><label>4.3.1</label><title>General</title></section><section id="sec_4.3.2"><label>4.3.2</label><title>Wavelength</title></section><section id="sec_4.3.3"><label>4.3.3</label><title>Resolution of digital-analogue conversion for light emitting devices</title></section><section id="sec_4.3.4"><label>4.3.4</label><title>Output window size</title></section><section id="sec_4.3.5"><label>4.3.5</label><title>Luminance</title></section><section id="sec_4.3.6"><label>4.3.6</label><title>Uniformity</title></section><section id="sec_4.3.7"><label>4.3.7</label><title>Angular characteristics</title></section><section id="sec_4.3.8"><label>4.3.8</label><title>Repeatability</title><section id="sec_4.3.8.1"><label>4.3.8.1</label><title>General</title></section><section id="sec_4.3.8.2"><label>4.3.8.2</label><title>Short-term repeatability</title></section><section id="sec_4.3.8.3"><label>4.3.8.3</label><title>Long-term repeatability</title></section></section></section><section id="sec_4.4"><label>4.4</label><title>Reporting form</title></section></section><section id="sec_5"><label>5</label><title>Generation and evaluation of a spectral match</title><section id="sec_5.1"><label>5.1</label><title>Generation of a spectral match</title></section><section id="sec_5.2"><label>5.2</label><title>Evaluation of a spectral match</title></section></section><section id="sec_A"><label>Annex A</label><title>Spectral match generation, scaling, and evaluation examples (informative)</title><section id="sec_A.1"><label>A.1</label><title>Generation</title></section><section id="sec_A.2"><label>A.2</label><title>Scaling</title></section><section id="sec_A.3"><label>A.3</label><title>Evaluation</title></section><section id="sec_A.4"><label>A.4</label><title>Repeatability, constant signal to noise measure</title></section></section><section id="sec_B"><label>Annex B</label><title>Several guideline information to design the PLES (informative)</title></section><section id="sec_C"><label>Annex C</label><title>An example for the PLES required and recommended conditions (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>