Although I use Git for anything open source we produce, all other code is still in a SVN repository. When upgrading VisualSVN Server to the latest version, it mentioned that Apache SVN 1.10 had new compression options and it occurred to me that while I've upgraded working copy formats before, my SVN databases are probably still using whatever format they were created at. This article covers how to upgrade SVN repositories using the VisualSVN Server software.

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18-bit RGB palettes are an old format used by VGA displays of yesteryear. These palettes use 6-bits for each of the red, green and blue channels and usually allowed a maximum of 256 colours from the 262,144 unique colours available. This article describes how to read and write 18-bit palette files.

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