This introduction not only browses through the contributions of the whole issue, but also attempts to set the stage for a cross-linguistically unified study of evidentiality markers to be registered in a database. This endeavor has so far been restricted to European languages. We assume evidentiality to be a conceptual domain and, on this basis, want to account for diverse units irrespective of their morphological format and status in the particular language’s grammar. Evidential markers are claimed to be locatable on a lexicon – grammar cline, ranging from distinct lexical units (accessed holistically) to grammatical morphology (having been the subject of traditional descriptions in typology).We highlight different theoretical prerequisites necessary to build a template, pinpoint some shortcomings in recent theorizing and stress the necessity of a neat distinction between an onomasiological and a semasiological perspective: the former ought to delineate the functional values belonging to evidentiality, also examining systematic affinities to neighboring domains, while the latter perspective asks for the structural and distributional parameters of distinct linguistic units that fulfill the basic conceptual requirements and accounts for overlaps with values from contiguous domains.Beside the aims of the database, its present structure is explained and justified. The template designed as an entry for each single unit is illustrated with a pertinent unit from Polish (including an appendix).
The article addresses structural aspects of language change which have been ascribed to grammaticalization and have tacitly been presupposed by diverse accounts (i) of the motives of complex changes, (ii) of the role of language contact, and (iii) by attempts to create areal profiles of language types and zones of convergence. We discuss some of the preconditions for a comprehensive and yet unified treatment of changes in which grammaticalization would not become an anythinggoes concept of grammatical change. Starting from a reconsideration of Lehmann’s parameters and their treatment in the literature, we first address problems connected to accounts based on prototypes (or checklists). Parameters belonging to the syntagmatic axis are analyzed in more detail. Even though parameters may be ranked within prototype-based approaches, such an approach is shown to be insufficient in articulating a coherent theory. An alternative might consist in the application of a superordinate principle based on relative discourse prominence (together with conventionalization). The advantages and drawbacks of both approaches are investigated, and it is argued that they should be employed as complementary parts of a coherent grammaticalization theory that is yet to be detailed.
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