Fixes in html files and manifest from 2000

2000/jarijyrki/index.html

@@ -414,7 +414,7 @@ Location: <a href="../../location.html#FI">FI</a> - <em>Republic of Finland </em
 <!-- BEFORE: 1st line of markdown file: 2000/jarijyrki/README.md -->
 <h2 id="to-build">To build:</h2>
 <pre><code>    make</code></pre>
-<p>NOTE: this entry requires the <code>X11/Xlib.h</code> header file and the X11 library to
+<p><strong>NOTE</strong>: this entry requires the <code>X11/Xlib.h</code> header file and the X11 library to
 compile. For more information see the
 FAQ on “<a href="../../faq.html#X11">X11</a>”.</p>
 <h2 id="to-use">To use:</h2>
@@ -483,10 +483,10 @@ character at the end of the formula; press backspace to delete the last one.</p>
 <p>Finish the formula with <code>!</code> to create the histogram.</p>
 <h4 id="starting-and-loading-spreadsheets">2.2. Starting and Loading Spreadsheets</h4>
 <p>To start the spreadsheet program with an existing
-spreadsheet, for instance <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/jarijyrki/finance.sheet">finance.sheet</a>, use the following
+spreadsheet, for instance <a href="finance.sheet">finance.sheet</a>, use the following
 command line:</p>
 <pre><code>    ./jarijyrki &lt; finance.sheet</code></pre>
-<p>The file <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/jarijyrki/finance.sheet">finance.sheet</a> has been provided as an example. This
+<p>The file <a href="finance.sheet">finance.sheet</a> has been provided as an example. This
 file contains a set of financial numbers and two graphical entities - a pie
 chart and a histogram - based on them. We recommend starting the use of the
 program from this file, as a way to study and learn the formula language
@@ -507,7 +507,7 @@ currently selected cell. The program starts with <code>A1</code> as being the cu
 Below the Formula Area is the Column Letters Area: <code>A</code>, <code>B</code>, and so on.
 Correspondingly, on the left side of the window is the Row Numbers Area: <code>1</code>, <code>2</code>,
 and so on. The rest of the window is dedicated to the actual spreadsheet cells.</p>
-<p>The example spreadsheet, <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/jarijyrki/finance.sheet">finance.sheet</a>, provided with this
+<p>The example spreadsheet, <a href="finance.sheet">finance.sheet</a>, provided with this
 program contains two sets of numbers in the visible area of the spreadsheet. The
 top set of numbers forms the product-by-product turnover breakdown of an
 imaginary company. Below it is the yearly development of the company profits. On