<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 30, 2013 at 1:16 AM, Reinhard Kotucha <span dir="ltr"><<a href="mailto:reinhard.kotucha@web.de" target="_blank">reinhard.kotucha@web.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div id=":yh" style="overflow:hidden">If you are using TeX primitives instead of LaTeX macros you certainly<br>
lose parts of LaTeX's functionality. </div></blockquote></div><br><br><br clear="all"><div><br></div>Reinhard's response raises in me 2 questions (apart of the question of etiquette which I suspect could be discussed longer than the developments of LaTeX 3, industrial use of controlled fusion and fixing all bugs in MSW combined):</div>
<div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">1) In particular: I use very seldom hbox to avoid breakage of lines in multiline environment (f.e. in the title of the chapter) or for some other exotic reasons (example below) when everything else I tried failed. What one can do instead?</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">2) How in general distinguish truly LaTeX macros? <br><div dir="ltr"><br>Victor Ivrii</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div>Example:</div><div>
<br></div><div>I wanted a kind of multiline but with right hand expressions aligned by their left (so no multiline with \shoveright{}) but I wanted the ``overlapping'' of the left and rich hand expressions (so normal align would not work). I cannot recall how I found solution below but it produced result I wanted:</div>
<div><br></div><div><div>\documentclass[12pt]{memoir}</div><div>\usepackage{mathtools}</div><div><br></div><div>\begin{document}</div><div><br></div><div>\begin{equation*}</div><div>\begin{array}{@{} l l @{}r}</div><div>x \upsilon_n =&\frac{1}{2} \Bigl(</div>
<div>(2n+2)^{1/2}\upsilon_{n+1} + (2n)^{1/2}\upsilon_{n-1}\Bigr),\\[10pt]</div><div>x^2 \upsilon_n =&</div><div>\frac{1}{4}\Bigl(</div><div>(2n+2)^{1/2}(2n+4)^{1/2}\upsilon_{n+2} + (4n+2)\upsilon_n +</div><div>(2n)^{1/2}(2n-2)^{1/2}\upsilon_{n-2}\Bigr),\\[10pt]</div>
<div>\hbox to 0pt{$\bigl(x ^2-2n-1)\upsilon_n =$\hss} \\[5pt]</div><div>&\frac{1}{4}\Bigl(</div><div>(2n+2)^{1/2}(2n+4)^{1/2}\upsilon_{n+2} -</div><div>2(2n+1) \upsilon_n+</div><div>(2n)^{1/2}(2n-2)^{1/2}\upsilon_{n-2}\Bigr),\\[5pt]</div>
<div>\hbox to 0pt{$x\bigl(x ^2-2n-1)\upsilon_n =$\hss}\\[10pt]</div><div>&\frac{1}{8}\Bigl(</div><div>(2n+2)^{1/2}(2n+4)^{1/2}(2n+6)^{1/2}\upsilon_{n+3} -</div><div>(2n+2)^{1/2}(2n-2)\upsilon_{n+1}-\\[5pt]</div><div>&\hbox{\qquad\qquad\quad$(2n)^{1/2}(2n+4)\upsilon_{n-1}+</div>
<div>(2n)^{1/2}(2n-2)^{1/2}(2n-4)^{1/2}\upsilon_{n-3}\Bigr),$}</div><div>\end{array}</div><div>\end{equation*}</div><div>\end{document}</div></div>
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