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* Buffer.cpp:
- prevent potential null pointer. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@28023 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -592,7 +592,7 @@ bool Buffer::readDocument(Lexer & lex)
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checkAndLoadLyXFile(master_file, true);
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// set master as master buffer, but only if we are
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// a real child
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if (master->isChild(this))
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if (master && master->isChild(this))
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d->parent_buffer = master;
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else
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LYXERR0("The master '"
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