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...es 100s of graphs, and I need to use the greek CAPITAL letter delta in the mtext() function. I got as far as expression(delta) but this gives me the lowercase version. Can anyone help? I'm using R 2.7 on Windows XP Mick Head of Informatics Institute for Animal Health Compton Berks RG20 7NN 01635 578411 http://www.iah.ac.uk/research/bioinformatics/bioinf.shtml The information contained in this message may be confide...{{dropped:14}}

...n't in italics, it's normal. I presume this is some interplay with bquote(), or perhaps R doesn't know the italics version of the capital greek delta character? Any idea how I can get it into italics? Thanks Mick Head of Informatics Institute for Animal Health Compton Berks RG20 7NN 01635 578411 http://www.iah.ac.uk/research/bioinformatics/bioinf.shtml The information contained in this message may be confide...{{dropped:14}}