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Here's the logic (mostly suggested by John Fieber): @ If ALLLANG is defined, descend to all language-specific subdirs too. @ If ALLLANG is not defined, but LANG is defined and a subdirectory with that name exists, descend to that directory too. @ In either case, the default subdirectories are always traversed. Right now there's only one subdirectory (ja_JP.EUC) with one document (handbook). Note these changes won't do anything if you don't have ALLLANG defined or LANG set to ja_JP.EUC. The make world for releases is expected to define ALLLANG, so all language- specific documentation can be built (and be put in appropriate *dists). This should be in 2.2.