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Updated README.md for lurker.preswap()

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rxi
2015-03-04 20:20:11 +00:00
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README.md
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@@ -33,7 +33,8 @@ scan detects any changes a hotswap is performed.
### lurker.preswap
`lurker.preswap` can be set to a function. This function is called before a
hotswap occurs and is passed the name of the file which will be swapped.
hotswap occurs and is passed the name of the file which will be swapped. If the
function returns `true` then the hotswap is canceled.
```lua
lurker.preswap = function(f) print("File " .. f .. " swapping...") end
```