On 6/03/2022 11:19 pm, Bernt Lie via lyx-users wrote:
1. If I change Instant preview to Off, this is what I see:
Is this problem due to my old version of LyX? Will it work
better in a newer version of LyX 2.3.5.x?
Is the \diff command in your example from the diffcoeff package? If it
is then it requires *two* LaTeX arguments (differentiand,
differentiation variable). The absence of a second argument for each
\diff command in your example would prevent the preview displaying.
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