Argument title.vjust not working in guide_legend

[Manuel Spínola]

Dear list members,

I sent a message similar to this sometime ago but I didn't get a definitive answer.  I am finding the same issue with guide_legend.  The previous message was for guide_colorbar.

Changing values in the argument title.vjust doesn't change the title vertical position. 

df <- reshape2::melt(outer(1:4, 1:4), varnames = c("X1", "X2"))

p1 <- ggplot(df, aes(X1, X2)) + geom_tile(aes(fill = value))

p1 + guides(fill = guide_legend(title.vjust = 2))

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Manuel Spínola, Ph.D.
Instituto Internacional en Conservación y Manejo de Vida Silvestre
Universidad Nacional
Apartado 1350-3000
Heredia
COSTA RICA
mspi...@una.cr
mspin...@gmail.com
Teléfono: (506) 8706 - 4662
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Institutional website: ICOMVIS