When I load UserGuide with previews enabled, I see a lot of errors on
console:
Warning: dvipng failed to generate images from lyxpreviewjVAhXp.dvi...
fallback to legacy method
Warning: epstopdf failed on page 1, file lyxpreviewjVAhXp.001
Warning: epstopdf failed on page 2, file lyxpreviewjVAhXp.002
Warning: epstopdf failed on page 3, file lyxpreviewjVAhXp.003
Warning: epstopdf failed on page 4, file lyxpreviewjVAhXp.004
Warning: epstopdf failed on page 5, file lyxpreviewjVAhXp.005
Warning: epstopdf failed on page 6, file lyxpreviewjVAhXp.006
Warning: epstopdf failed on page 7, file lyxpreviewjVAhXp.007
Warning: epstopdf failed on page 8, file lyxpreviewjVAhXp.008
Warning: epstopdf failed on page 9, file lyxpreviewjVAhXp.009
Warning: epstopdf failed on page 10, file lyxpreviewjVAhXp.010
Warning: epstopdf failed on page 11, file lyxpreviewjVAhXp.011
Warning: epstopdf failed on page 12, file lyxpreviewjVAhXp.012
Warning: epstopdf failed on page 13, file lyxpreviewjVAhXp.013
What heppened? Well, if I understand correctly, the preview cannot be
generated because of the too clever trick in section 6.9 Branches, where
branches are used to declare macros. Of course, the preview mechanism
does not see the ERT that declares of macros in branches and compilation
fails.
Two things:
1/ shall I change the example to something more reasonable that does not
upset math previews (especially since a proper trick with math macros is
already proposed in Math Manual)?
2/ can we avoid, when we see that dvipng failed (because there is no dvi
file?), to run these nonsensical epstopdf commands?
JMarc
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