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