Changes

Here is some visual visuals of the ConTeXt version to give an idea:

[[File:2020_hcc_rapport_features.png|800px900px|Report style, modern / dynamic, built with the marvelous ConTeXt (based on LuaTeX and LuaMetaTeX), inspired by french HCC report - Haut Conseil pour le Climat]]

* The source code has been cleaned up and commented on (still some mix of english and french), in the hope that it will help. Several features are used.  ** headings with rules "across the page", slightly different design for right and left page, in order to bring dynamic:*** {{cmd|defineoverlay}}*** {{cmd|useMPgraphic}}*** {{cmd|startuseMPgraphic}}*** {{cmd|signalrightpage}}*** {{cmd|doifrightpageelse}}*** {{cmd|startsectionblockenvironment}}** numbering with decreasing font size with increasing level of sectioning*** {{cmd|setuphead}}*** {{cmd|definestructureseparatorset}}*** {{cmd|defineconversion}}*** {{cmd|definestructureconversionset}}*** {{code|1=sectionconversionset}}*** {{code|1=prefixconversionset}}*** {{code|1=sectionsegments}}*** {{code|1=sectionstopper}}** Specific "encadré" environmentto "highlight specific content", compatible with page breaks*** {{cmd|definehead}} with {{code|1=before}} and {{code|1=aftersection}} and...*** Dedicated numbering, added to the table of content **** {{cmd|definehead}} and {{code|1=sectionresetset}}, {{code|1=bodypartlabel}} **** {{cmd|setuplist}}**** {{cmd|setupreferencestructureprefix}}*** A large coloreed colored rule on the left to highlight the text (pushed on the right), compatible with page breaks**** {{cmd|definetextbackground}}**** MetaPost / MetaFun to draw around the text (as background)**** {{code|1=for i=1 upto nofmultipars}}**** {{code|1=if multilocs[i] == 3:}}*** Local footnotes*** {{cmd|definenote}}*** {{cmd|definenotesetupnotation}}*** {{code|1=numberconversion}}* Structuration** {{cmd|startfrontmatter}}, {{cmd|startbodymatter}}, {{cmd|startappendices}}, {{cmd|startbackmatter}}** {{cmd|component}}* Fonts (GaramondPro and AvenirNext)** {{cmd|definefontfeature}}**{{cmd|starttypescript}}** {{cmd|setupnotationdefinefontsynonym}}**{{cmd|definetypeface}}** {{code|1=numberconversionrscale}}and a short code to get x-height ratio between two fonts with