Changes

'''LaTeX''':{| border="1" cellspacing="0" cellpadding="2"|-"Command arguments are enclosed in curly braces | || { and ..},|| [..] except for |-| LaTeX || command arguments || optional arguments, which are enclosed in squarebrackets [ and ]."|-'''| ConTeXt''':"A command is often followed by setups or by text. Setupsare placed between brackets ([]). The || typeset material; scope or range ofthe command, (the text acted upon, ) is placed betweencurly brackets || setups instructions and metadata ({}options)."|-In other words, * arguments in {|} pairs are typeset material* arguments in [] are setup instructions and metadata