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The sources (and packages) can now be compiled using the multilib toolchain recommended for R 2.15.x: see the ‘MULTI’ macro in ‘MkRules.dist’.
The fix for PR#14543 caused stack problems with outputting large R objects (e.g. data frames of 25,000 items). (PR#14698)
For consistency with the ‘logLik()’ method, ‘nobs()’ for ‘"nls"’ files now excludes observations with zero weight. (Reported by Berwin Turlach.)