eCos User Guide
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# Previous License

Prior to May 2002, eCos was released under the Red Hat eCos Public License (RHEPL). The RHEPL required any modifications to eCos code to be made available under preferential terms to Red Hat and was therefore incompatible with code licensed under the GPL. The use of eCos source code which was licensed under the RHEPL is not affected by the switch to the modified GPL for later revisions.

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