Bugfix: corrupt copy-and-paste content if the size is >128 KB #272
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With very large amounts of data in the clipboard, up to four 64kB segments are read using XGetWindowProperty and concatenated until the limit of 256k is reached. The offset parameter was not shifted appropriately. As a result, segments 3 and 4 were filled with the contents of segment 2. This problem occurs with CUTBUFFER, PRIMARY, and CLIPBOARD.