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diff --git a/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-limits.html b/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-limits.html index 895e067b068..c09918b890b 100644 --- a/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-limits.html +++ b/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-limits.html @@ -2,18 +2,18 @@ <title>UK TeX FAQ -- question label limits</title> </head><body> <h3>Sub- and superscript positioning for operators</h3> -<p>The commonest hand-written style for expressions is to place the limit +<p/>The commonest hand-written style for expressions is to place the limit expressions on operators such as <code>\</code><code>sum</code> and <code>\</code><code>int</code> physically above and below the operator. In (La)TeX, we write these limit expressions using sub- and superscripts applied to the operator, but they don’t always appear in the “handwritten” way in TeX’s output. -<p>The reason is, that when an expression appears in non-display maths, +<p/>The reason is, that when an expression appears in non-display maths, in running text (and is therefore in TeX <code>\</code><code>textstyle</code>), placing the limits thus could lead to ragged line spacing (and hence difficult-to-read text). It is therefore common (in <code>\</code><code>textstyle</code>) to place the limits as one would sub- and superscripts of variables. -<p>This is not universally satisfactory, so the primitive <code>\</code><code>limits</code> is +<p/>This is not universally satisfactory, so the primitive <code>\</code><code>limits</code> is provided: <blockquote> <pre> @@ -22,7 +22,7 @@ $\sum\limits_{n=1}^{m} ...$ </blockquote><p> which will place the limits right above and below the symbol (and be blowed to the typography...). -<p>Contrariwise, you may wish to change the arrangement of the limits +<p/>Contrariwise, you may wish to change the arrangement of the limits when in <code>\</code><code>displaystyle</code>. For this purpose, there’s a corresponding <code>\</code><code>nolimits</code>: <blockquote> @@ -31,7 +31,7 @@ when in <code>\</code><code>displaystyle</code>. For this purpose, there’ </pre> </blockquote><p> which will place the limits as they would be in <code>\</code><code>textstyle</code>. -<p>Alternatively, one can manipulate the +<p/>Alternatively, one can manipulate the <code>\</code><code>textstyle</code>/<code>\</code><code>displaystyle</code> state of the mathematics. To get “<code>\</code><code>limits</code> placement” in inline maths, <blockquote> @@ -49,8 +49,12 @@ and for “<code>\</code><code>nolimits</code> placement” in display m will serve. Either of these forms may have effects other than on the operator you’re considering, but there are still those who prefer this formulation. -<p>(Note that the macro <code>\</code><code>int</code> normally has <code>\</code><code>nolimits</code> built in to +<p/>Remember, if you’re +<a href="FAQ-newfunction.html">declaring a special operator of your own</a>, the +AMSLaTeX functions (that you ought to be using) allow you to choose +how limits are displayed, at definition time. +<p/>(Note that the macro <code>\</code><code>int</code> normally has <code>\</code><code>nolimits</code> built in to its definition. There is an example in the TeXbook to show how odd <code>\</code><code>int</code><code>\</code><code>limits</code> looks when typeset.) -<p><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=limits">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=limits</a> +<p/><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=limits">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=limits</a> </body> |