Le 02/02/2022 à 09:48, Wolfgang Engelmann via lyx-users a écrit :
I use lyx 2.4.0dev (Debian)
starting lyx from a terminal, selecting a certain document and trying to
view it by export pdflua
leads to this in the terminal
wolfgang@Fuji:~/Dokumente/PUBLIKATIONEN-EIGENE/A-SP-2022$ lyx
qt.qpa.xcb: QXcbConnection: XCB error: 5 (BadAtom), sequence: 597,
resource id: 0, major code: 20 (GetProperty), minor code: 0
Warning: Failed to produce 1 preview snippet(s)
/usr/include/c++/10/bits/stl_stack.h:274: void std::stack<_Tp,
_Sequence>::pop() [with _Tp = int; _Sequence = std::__debug::deque<int,
std::allocator<int> >]: Assertion '__builtin_expect(!this->empty(),
true)' failed.
Abgebrochen
Wolfgang, could you share the document that causes issues (at least
privately)?
The assertion above (I ignore the QXcbConnection stuff for now) means
that stack<int>::pop() is called on a stack which is already empty (this
methods removes one object from a stack).
In our code, there are two places where such a stack is used:
output_latex.cpp (LaTeX output) and output_xhtml.cpp (HTML output).
Since your document is exported to late for LuaLaTeX, it has to be the
former.
The place where this pop() method is used (popLanguageName) is related
to our use of nested languages. And indeed, it does not check that some
language has been saved before pop-ing it.
At this point, having a document that triggers the issue would be very
useful. Then I am sure that Jürgen or Enrico will be able to take over.
JMarc
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