Le 01/06/2015 23:04, Enrico Forestieri a écrit :
You may be right that microtype may have been the reason why I had the
impression that latex is slower than pdflatex, but this does not account for
the 55s (on a good computer) during which LyX is frozen while generating the
16MB tex file. I will run tests again to confirm (and also test the new
patch) and will reply to the previous message in a short while. (BTW yes I
have epstopdf and pdfcairo.)

Here we are not going anywhere. I say it works well for me, while you say it
doesn't work. Please, provide an example that generates a 16MB tex file for
a ~20 page document.


The attached files demonstrate two bugs:

1) the explosion in size mentioned above. This affects both stable and master. (This is also responsible for a regression wrt 2.1.3 because of zooming triggers preview as already discussed.)

2) an assertion violation that happen on copy-paste with preview (does not happen without preview). This is a regression in master, does not happen in the stable branch.

Details:

1) Instant preview is activated. The preview tex file generated first time on opening redefines all the macros before each math inset. In this example there are 26 macros and 26 math insets. For my actual paper in preparation (quite modest, 18 pages with wide margins), the preview tex file lists 370 macros and 769 math insets. Given this data one can verify that its complete preview file is at least 284000 non-empty lines with a size of approx 15MB. I tried to make an example file in the same order of magnitude in order to demonstrate the performance impact, but bug 2) prevented me from doing that. You could argue that I could reduce the number of macros by half if I specialise my macro file to my current paper, but this defeats the purpose of having a global macro file, while not improving the situation much.


2) to trigger the assertion violation in master:
  0. enable instant preview
  1. select the whole document
  2. copy
  3. paste at the end

(Built from git commit hash 77ab3017)

\batchmode
%% LyX 2.2.0dev created this file.  For more info, see http://www.lyx.org/.
%% Do not edit unless you really know what you are doing.
\makeatletter
\def\input@path{{/home/gm/Bureau//}}
\makeatother
\documentclass[english]{article}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\usepackage{amstext}

\makeatletter
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
% Added by lyx2lyx
\@ifundefined{rangeHsb}{\usepackage{xcolor}}

\makeatother

\usepackage{babel}

\def\lyxlock{}


\usepackage[active,delayed,showlabels,lyx]{preview}


\begin{document}
\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\A$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\B$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\C$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\D$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\E$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\F$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\G$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\H$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\I$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\J$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\K$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\L$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\M$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\N$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\O$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\P$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\Q$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\R$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\S$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\T$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\U$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\V$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\W$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\X$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\Y$
\end{preview}

\begin{preview}
\global\long\def\A{\textit{this is the macro A }}

\global\long\def\B{\textit{this is the macro B }}

\global\long\def\C{\textit{this is the macro C }}

\global\long\def\D{\textit{this is the macro D }}

\global\long\def\E{\textit{this is the macro E }}

\global\long\def\F{\textit{this is the macro F }}

\global\long\def\G{\textit{this is the macro G }}

\global\long\def\H{\textit{this is the macro H }}

\global\long\def\I{\textit{this is the macro I }}

\global\long\def\J{\textit{this is the macro J }}

\global\long\def\K{\textit{this is the macro K }}

\global\long\def\L{\textit{this is the macro L }}

\global\long\def\M{\textit{this is the macro M }}

\global\long\def\N{\textit{this is the macro N }}

\global\long\def\O{\textit{this is the macro O }}

\global\long\def\P{\textit{this is the macro P }}

\global\long\def\Q{\textit{this is the macro Q }}

\global\long\def\R{\textit{this is the macro R }}

\global\long\def\S{\textit{this is the macro S }}

\global\long\def\T{\textit{this is the macro T }}

\global\long\def\U{\textit{this is the macro U }}

\global\long\def\V{\textit{this is the macro V }}

\global\long\def\W{\textit{this is the macro W }}

\global\long\def\X{\textit{this is the macro X }}

\global\long\def\Y{\textit{this is the macro Y }}

\global\long\def\Z{\textit{this is the macro Z }}
$\Z$
\end{preview}


\end{document}

Attachment: lyx-preview-explosion.lyx
Description: application/lyx

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