U radu se analiziraju neki problemi i nejasnoće koji se pojavljuju u temeljnim jezikoslovnim priručnicima i udžbenicima. Problemi su uočeni na svim jezičnim razinama, ali se u ovome radu govori o nejasnoćama i nepreciznostima u vezi s nepostojanim a i e.The authors analyze some terminological problems, contradictions and inconsistencies that occur in basic linguistic manuals, grammars and textbooks. The authors focus especially on two sound changes: movable a and movable e (the correct English term is vowel-zero alternation). These problems are illustrated by examples from textbooks and manuals and the authors offer their own suggestions
