Hi. Has this bug been solved in the beta 2 release?
If not, what's the ticket #, so I can track it?
Thanks.
On Fri, Dec 3, 2010 at 2:00 PM, Richard Heck <rgh...@comcast.net> wrote:
> On 12/03/2010 08:02 AM, Rudi Gaelzer wrote:
>
>> The LyX version offered on the Fedora 14 repositories has now upgraded to
>> 2.0.0beta1.
>> When I load a 1.6x multi-document project into the beta version and try to
>> process it, I get the following error:
>>
>> Paragraph ended before \gather* was complete.
>> Missing $ inserted.
>> Missing \endgroup inserted.
>> Display math should end with $$.
>> Misplaced \cr.
>> Misplaced \noalign.
>> Misplaced \noalign.
>> Extra }, or forgotten \endgroup.
>> Missing $ inserted.
>>
>> Of course, the document processed just fine with LyX 1.6x.
>> When I backtraced the error line from the exported tex source, I found
>> that the problem was in a gather* environment that contains an aligned
>> sub-environment. It seems that the lyx -> tex conversion is generating an
>> incorrect source code.
>> Moreover, LyX stops displaying the equations the moment a sub-environment
>> is created. You can verify that very quickly.
>>
>> Here's the offending cell:
>>
>> \begin{gather*}
>> \frac{d\boldsymbol{p}}{dt}=p_{\perp}\frac{d}{dt}\cos\phi\vu
>> 1+p_{\perp}\frac{d}{dt}\sen\phi\vu
>> 2=\frac{q_{\alpha}B_{0}}{c}\epsilon_{ij3}\vu
>> iv_{j}=\frac{q_{\alpha}B_{0}}{c}\left(v_{2}\vu 1-v_{1}\vu 2\right),\\
>> \begin{aligned}\sen\phi p_{\perp}\frac{d\phi}{dt} &
>> =-\frac{q_{\alpha}B_{0}}{c}v_{2}=-\frac{q_{\alpha}B_{0}}{c}\frac{p_{\perp}\sen\phi}{\gamma
>> m_{\alpha}}\\
>> \cos\phi p_{\perp}\frac{d\phi}{dt} &
>> =-\frac{q_{\alpha}B_{0}}{c}v_{1}=-\frac{q_{\alpha}B_{0}}{c}\frac{p_{\perp}\cos\phi}{\gamma
>> m_{\alpha}},
>> \end{aligned}
>>
>> \end{gather*}
>>
>> Processing the tex source directly, It complained that the paragraph was
>> ended before \gather* was complete. I just had to remove the empty line
>> before \end{gather*} and the document processed all right.
>>
>> I guess this is a bug...
>>
>> A known bug. It has been fixed for the next release. Still, thanks for
> the report.
>
> Richard
>
>
--
Rudi Gaelzer
Departamento de Física
Instituto de Física e Matemática
Fundação Universidade Federal de Pelotas
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BRAZIL
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