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Expand Up @@ -272,7 +272,7 @@ var linker = require('solc/linker');
bytecode = linker.linkBytecode(bytecode, { MyLibrary: '0x123456...' });
```

As of Solidity 0.4.11 the compiler supports [standard JSON input and output](https://solidity.readthedocs.io/en/develop/using-the-compiler.html#compiler-input-and-output-json-description) which outputs a _link references_ map. This gives a map of library names to offsets in the bytecode to replace the addresses at. It also doesn't have the limitation on library file and contract name lengths.
As of Solidity 0.4.11 the compiler supports [standard JSON input and output](https://docs.soliditylang.org/en/develop/using-the-compiler.html#compiler-input-and-output-json-description) which outputs a _link references_ map. This gives a map of library names to offsets in the bytecode to replace the addresses at. It also doesn't have the limitation on library file and contract name lengths.

There is a method available in the `linker` module called `findLinkReferences` which can find such link references in bytecode produced by an older compiler:

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