+# e.g. a class or package file not in TeXLive.
+# TODO: rename to "extra" or "exotic"?
+
+# aa.cls (not in TeXLive).
+export/examples/Articles/Astronomy_%26_Astrophysics.*
+export/templates/Articles/Astronomy_%26_Astrophysics.*
+
+# AEA.cls (see https://wiki.lyx.org/Examples/AEA)
+export/templates/Articles/American_Economic_Association_.*AEA.*
+
+# copernicus.cls (not in TeXLive)
+# see https://publications.copernicus.org/for_authors/manuscript_preparation.html
+export/templates/Articles/Copernicus_Publications_Manuscript_Preparation_.*
+
+# ectaart.cls
+# see https://wiki.lyx.org/Examples/Econometrica
+export/templates/Articles/Econometrica.*
+
+# iucr.cls (not in TeXLive)
+export/templates/Articles/International_Union_of_Crystallography.*
+
+# ws-ijmpc.cls, w-ijmpd.cls
+# see https://wiki.lyx.org/Examples/IJMP
+export/templates/Articles/Int._Journal_of_Modern_Physics_C.*
+export/templates/Articles/Int._Journal_of_Modern_Physics_D.*
+
+# iopart.cls, iopams.sty, setstack.sty
+# see https://wiki.lyx.org/Layouts/Iopart
+export/templates/Articles/Institute_of_Physics_.*
+
+# jasatex.cls
+# see https://wiki.lyx.org/Layouts/JASATeX
+export/templates/Articles/Journal_of_the_Acoustical_Society_of_America.*
+
+# jss.cls
+export/templates/Articles/Journal_of_Statistical_Software_.*
+
+# LilyPond-book version 2.13 or newer.
+export/examples/(|ja/)Modules/LilyPond_Book_(dvi|pdf|lyx2[23]).*
+
+# maa-monthly.sty (not in TeXLive)
+# http://www.maa.org/sites/default/files/pdf/pubs/maa-monthly.sty
+export/templates/Articles/Mathematical_Monthly.*
+
+# knitr, RJournal.sty (not in TeXLive)
+# incompatible with fontspec?
+export/templates/Articles/R_Journal_.*
+
+# R (http://www.r-project.org)
+# R package knitr (http://yihui.name/knitr)
+export/examples/(|ja/)Modules/Sweave_(dvi|pdf|lyx2[23]).*
+export/examples/(|ja/)Modules/Rnw.*knitr.*_(dvi|pdf|lyx2[23]).*
+
+# obsolete versions of documentclass or style files
+export/templates/Obsolete/.*
+
+# svjour3.cls, svglov2.clo
+# see https://wiki.lyx.org/Examples/Springer
+export/templates/Articles/Springers_Global_Journal_Template.*
+
+# svmono.cls
+export/templates/examples/Books/Springer_Monographs.*
+# svmult.cls
+export/templates/examples/Books/Springer_Contributed_Books.*
+
+
+# TeXLive does not set up Hebrew 8-bit TeX fonts
+# We use the external package "culmus-latex"
+# https://sourceforge.net/projects/ivritex/files/culmus-latex/culmus-latex-0.7/
+# With current "culmus-latex", dvipdfm (.*_pdf3) fails because some of the
+# fonts are type1 "*.pfa" while dvipdfm only works with binary "*.pfb" fonts:
+# dvipdfmx:warning: Could not locate a virtual/physical font for TFM "david".
+# dvipdfmx:warning: >> This font is mapped to a physical font "DavidCLM-Medium.pfa".
+# dvipdfmx:warning: >> Please check if kpathsea library can find this font: DavidCLM-Medium.pfa
+# but: `kpsewhich DavidCLM-Medium.pfa` finds the font!
+# Converting with `t1binary` (from t1utils) helps.
+export/.*/he/.*((dvi|pdf.?)|_texF)
+export/export/latex/unicodesymbols/.*_he.*pdf2
+export/export/latex/(supported-languages|he-scrarticle).*
+export/export/latex/languages/supported-languages_.*_pdf3
+
+
+# Japanese (platex)
+# dvips requires special font setup for kanji.
+# Debian's texlive-lang-japanese does this automatically, tlmgr not.
+# Without proper font setup setup,
+# * the Postscript file has wrong and missing characters
+# (without error or warning),
+# * as a consequence, `ps2pdf` fails for some documents:
+export/.*/ja/.*_pdf