Changes between Version 28 and Version 29 of Commentary/CodingStyle

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Timestamp:
11/21/10 10:45:31 (3 years ago)
Author:
waern
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  • Commentary/CodingStyle

    v28 v29  
    154154== Compiler versions and language extensions == 
    155155 
    156 GHC must be compilable by every major version of GHC from 6.12 onwards, and itself. It isn't necessary for it to be compilable by every intermediate development version (that includes last week's darcs sources).  
     156GHC must be compilable by the previous two major releases, and itself. It isn't necessary for it to be compilable by every intermediate development version (that includes last week's darcs sources).  
    157157 
    158158To maintain compatibility, use [wiki:Commentary/CodingStyle#HsVersions.h HsVersions.h] (see below) where possible, and try to avoid using #ifdef in the source itself.