sanger-pathogens/saffrontree

What is [&R] at start of .newick file?

tseemann opened this issue · 2 comments

[&R] ('file1':888 ....

It indicates the tree is rooted. The tree is generated by DendroPY:
http://dendropy.readthedocs.io/en/latest/tutorial/treemanips.html
I'm afraid I dont know what the history of this syntax update is.

Figtree seemed to understand it, i've just never encountered it before!

I'm not sure if there is a true modern Newick specification.