commit bb2c1c3485b0da4f2463c18caecc42975e8d8dfb
Author: Enrico Forestieri <[email protected]>
Date: Mon Mar 1 10:08:08 2021 +0100
Amend c2facb8c
Make sure the base of a script is not empty before accessing it.
---
src/Cursor.cpp | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/Cursor.cpp b/src/Cursor.cpp
index 6412c0e..ad46e8c 100644
--- a/src/Cursor.cpp
+++ b/src/Cursor.cpp
@@ -2041,7 +2041,7 @@ bool Cursor::mathForward(bool word)
while (pos() < lastpos() && mc ==
nextMath().mathClass());
} else if (openable(nextAtom())) {
InsetMathScript const * n = nextMath().asScriptInset();
- bool to_brace_deco = n
+ bool to_brace_deco = n && !n->nuc().empty()
&& n->nuc().back()->lyxCode() ==
MATH_DECORATION_CODE
&& n->nuc().back()->mathClass() == MC_OP;
// single step: try to enter the next inset
@@ -2095,7 +2095,7 @@ bool Cursor::mathBackward(bool word)
}
} else if (openable(prevAtom())) {
InsetMathScript const * p = prevMath().asScriptInset();
- bool to_brace_deco = p
+ bool to_brace_deco = p && !p->nuc().empty()
&& p->nuc().back()->lyxCode() ==
MATH_DECORATION_CODE
&& p->nuc().back()->mathClass() == MC_OP;
// single step: try to enter the preceding inset
--
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