list of articles by one or more category

syntaxe 1 : {up jcontent-by-subcat=id-categorie}
Articles in a category and subcategories
syntaxe 2 : {up jcontent-by-subcat}
Articles in the current category and its subcategories
syntaxe 3 : {up jcontent-by-subcat=0}
Articles from all categories
syntaxe 4 : {up jcontent-by-subcat}##title##{/up jcontent-by-subcat}
Variant: Template for items between shortcodes
keywords Article:
-----------------
##title## ##title-link## ##subtitle## ##link##
##intro## ##intro-text## ##intro-text,100## ##content##
##image## ##image-src## ##image-alt##
##date-crea## ##date-modif## ##date-publish##
##author## ##note## ##cat## ##new## ##featured## ##hits## ##tags-list##
keywords categorie:
------------------
##catpath## : Categories path from the root category.
Ex: if we ask for category 2 with 3 levels (subcat=3): 2.1 > 2.1.1 > 2.1.1.1
##title## ##title-link## ##link## : titre et lien de la categorie
##alias## ##id## ##nb## : Number of items in the category