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Do not allow pasting backslashes in macro names

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Backslashes are not allowed in macro names and LyX
enforces this by not allowing entering them by keyboard.
However, it was possible to paste them and this may cause
crashes (see bug #12596).
This commit is contained in:
Enrico Forestieri 2022-11-20 19:01:38 +01:00
parent e26a60edef
commit a11780b59f
1 changed files with 9 additions and 0 deletions
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9
src/mathed/InsetMathNest.cpp
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@ -548,6 +548,15 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
topaste = cap::selection(n, make_pair(buffer().params().documentClassPtr(),
buffer().params().authors()));
}
InsetMath const * im = cur.inset().asInsetMath();
InsetMathMacro const * macro = im ? im->asMacro() : nullptr;
// do not allow pasting a backslash in the name of a macro
if (macro
&& macro->displayMode() == InsetMathMacro::DISPLAY_UNFOLDED
&& support::contains(topaste, char_type('\\'))) {
LYXERR0("Removing backslash from pasted string");
topaste = subst(topaste, from_ascii("\\"), docstring());
}
cur.niceInsert(topaste, parseflg, false);
cur.clearSelection(); // bug 393
cur.forceBufferUpdate();