Bug in Lyx 1.3.4 ?

[Stephan Witt]

Am 06.02.2020 um 15:58 schrieb Enrico Forestieri <forenr at lyx.org>:
> 
> On Thu, Feb 06, 2020 at 01:52:15PM +0100, Pavel Sanda wrote:
>> On Thu, Feb 06, 2020 at 08:15:45AM +0100, Stephan Witt wrote:
>>> Am 06.02.2020 um 01:02 schrieb Richard Kimberly Heck <rikiheck at lyx.org>:
>>>> 
>>>> I assume this is an old bug? Or is it a new one?
>>> 
>>> I can reproduce something similar with 2.4.0 too. But I cannot reproduce with 2.2.4.
>> 
>> I can confirm it with Qt5 now.
>> Bisect leads to:
>> 
>> commit a2d181905a95b3bb983dac60f3d9603413a01f34
>> Author: Enrico Forestieri <forenr at lyx.org>
>> Date:   Tue Jun 25 22:23:51 2019 +0200
>> 
>>    Fix bug #11586
>> 
>>    Do not replace a latex command with the corresponding symbol
>>    in the unicodesymbols file unless it can be encoded in the
>>    document encoding.
> 
> That commit simply exposes the bug, which is the fact that the buffer
> member is not initialized. I think the patch by Stephan is correct.

That leads me to the question if there are more occurrences of this problem.

E.g. with 2.3.x in InsetMathMacro::attachArguments() the line

d->expanded_ = MathData(); 

could be better

d->expanded_ = MathData(d->definition_.buffer());

But in fact I don’t know if it is that simple pattern.

Stephan