[...] > > AFAIK, the problem is not within LyX but in Aspell. Indeed Aspell > dictionaries are not relocatable (under Windows); this means that they > must be installed in the same path where they have been compiled. One > needs to investigate Aspell source code as to know if this could be fixed. > > Abdel.
Thanks Abdel for shedding light onto the Aspell design. Yet, how does aspell work with LyX 1.3.3-Win32? There you find dictionaries in lyx\share\aspell and dynamically linked aspell libraries in \lyx\bin .