The missing david fonts error vanished after reinstalling
the culmus-latex-0.7-r1 package.
#export/export/latex/textcyr-textgreek-test_pdf2
# Kornel: unknown reason
-export/export/latex/unicodesymbols/012-31-hebrew_he-.*_pdf2
+# After reinstalling culmus under the TL19 control, it compiles
+#export/export/latex/unicodesymbols/012-31-hebrew_he-.*_pdf2
#9871 LyX sends invalid Unicode to iconv when converting to ASCII
# most probably due to BabelPreamble code (language specific headings for