This document is a letter from Ladislav Hejdánek to Jan Štern, an editor. The letter is dated December 23, 1993, and includes an apology for the delay in delivering a text, which is presented in a preliminary version. The author states that the text will be delivered in a properly printed format if it is acceptable. Hejdánek mentions the possibility of typos and his intention to check the text during Christmas. However, he himself expresses doubts about the relevance of the text, especially as a reminder of the atmosphere of spring 1989, and questions whether anyone still wishes to recall that period. The letter concludes with best wishes for the new year and a greeting. The author's contact details and addresses are also provided.