Jean-Pierre Chrétien wrote: > In order to make things clear to him, I need to understand what is the > logic behind the lines added by LyX, either > "\\special{papersize=\\the\\paperwidth,\\the\\paperheight}\n"; > or > "\\pdfpageheight\\paperheight\n" > "\\pdfpagewidth\\paperwidth\n";
Without these, the viewers would not know the paper size of the documents. You probably get A4 in the viewer because this is your default setting. However, you would also get A4 with an A5 document without the above hints to the viewer. Jürgen