[R] Mixing grrek and normal text with other fonts

[BXC (Bendix Carstensen)]

Is this a bug or a feaure:

plot(1:19,type="n")
for (i in 1:19) text(8,20-i,paste("Font no. ",i,",
but:",sep=""),adj=1,font=i)
for (i in 1:19) text(9,20-i,
     expression(gamma[1]==alpha*" mixing with greek goes
wrong"),adj=0,font=i)

What happens on my NT installation:

> R.version
platform Windows   
arch     x86       
os       Win32     
system   x86, Win32
status             
major    1         
minor    0.0       
year     2000      
month    February  
day      29        
language R  

is that the plain text from the expression appears in font no. 1.
Is this intended?
Can it be remedied?

Bendix

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