Cargo Features

html5ever-atoms has no features set by default.

[dependencies]
html5ever-atoms = { version = "0.3.0", features = ["heap_size"] }
heap_size = heapsize, heapsize_derive

Enables heapsize of string_cache ^0.5

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

heapsize heap_size?

Enables heapsize ^0.3

heapsize_derive heap_size?