Good language support too, including hyphenation and (although I haven't verified that) typesetting conventions.
On the negative side, SILE has been designed at first for humanities, and as such it does not support yet mathematics, nor tables or programmable graphics (like with Tikz in LaTeX).
And of course it doesn't have the ton community-written packages that TeX has.
@otini I am biased, but I don't know about anything good that came out of activities of religious missionaries like the author of SILE.
@dimpase Well I am not a fan of religious proselytism either, but I don't think his code is contagious.
@otini I'd rather question the motivation; it seems to be mainly to ease the delivery of certain potentially harmful content.
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