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Alternative site and user customization files ‘Makevars.site’ and ‘~/.R/Makevars’ can be specified _via_ the environment variables ‘R_MAKEVARS_SITE’ and ‘R_MAKEVARS_USER’ respectively.
The default method of ‘image()’ will plot axes of the class of ‘xlim’ and ‘ylim’ (and hence of ‘x’ and ‘y’ if there is a suitable ‘range()’ method). Based on a suggestion of Michael Sumner.
‘count.fields()’ is now consistent with ‘scan()’ in its handling of newlines in quoted strings. Instead of triggering an error, this results in the current line receiving ‘NA’ as the field count, with the next line getting the total count of the two lines.