fix internal links in entry index.html from 1984 thru 2012

1990/jaw/README.md

@@ -34,7 +34,7 @@ The program, in its base form, implements two useful utilities:
 
 Included with this entry is a shell script (with comments edited down to reduce
 it to 1530 bytes) which implements the complete shark utility. The script,
-[shark.sh](shark.sh), contains a `jaw.c` embedded within it!
+[shark.sh](%%REPO_URL%%/1990/jaw/shark.sh), contains a `jaw.c` embedded within it!
 
 The sender must have `compress` and `btoa`. To send, try:
 

1990/jaw/index.html

@@ -177,7 +177,7 @@ sentence.</p>
 </ul>
 <p>Included with this entry is a shell script (with comments edited down to reduce
 it to 1530 bytes) which implements the complete shark utility. The script,
-<a href="shark.sh">shark.sh</a>, contains a <code>jaw.c</code> embedded within it!</p>
+<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/jaw/shark.sh">shark.sh</a>, contains a <code>jaw.c</code> embedded within it!</p>
 <p>The sender must have <code>compress</code> and <code>btoa</code>. To send, try:</p>
 <pre><code>    ./shark.sh jaw.* README.md &gt; receive</code></pre>
 <p>The resulting file, <code>receive</code>, unpacks the input files

1990/stig/README.md

@@ -23,7 +23,7 @@ NOTE: that's not a typo or mistake but one can also do:
 We changed the alias that the author's suggested alias from a
 C-shell alias to a Bourne-like shell alias.
 
-Note that `shst.c` is renamed to [stig.c](stig.c) in the distribution.
+Note that `shst.c` is renamed to [stig.c](%%REPO_URL%%/1990/stigstig.c) in the distribution.
 
 WARNING: This program's `how to compile` is too specific to a particular shell.
 The obfuscation of this program is more related to shell obfuscation than C

1990/stig/index.html

@@ -161,7 +161,7 @@ Location: <a href="../../location.html#NO">NO</a> - <em>Kingdom of Norway</em> (
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>We changed the alias that the author’s suggested alias from a
 C-shell alias to a Bourne-like shell alias.</p>
-<p>Note that <code>shst.c</code> is renamed to <a href="stig.c">stig.c</a> in the distribution.</p>
+<p>Note that <code>shst.c</code> is renamed to <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/stigstig.c">stig.c</a> in the distribution.</p>
 <p>WARNING: This program’s <code>how to compile</code> is too specific to a particular shell.
 The obfuscation of this program is more related to shell obfuscation than C
 obfuscation. This type of entry will not be permitted in future contests.</p>

1990/theorem/README.md

@@ -45,7 +45,7 @@ where:
 The program's source implements four functions, all from the
 same source file!
 
-When you compile [theorem.c](theorem.c) as is and run with 5 args, it
+When you compile [theorem.c](%%REPO_URL%%/1990/theorem/Rtheorem.c) as is and run with 5 args, it
 numerically solves the equation `y'=f(x,y)`, with a step size of `h` (see above
 usage), over the interval `x=[x1,x2]`, with the initial condition of `y(x1)=y1`.
 

1990/theorem/index.html

@@ -171,7 +171,7 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>The program’s source implements four functions, all from the
 same source file!</p>
-<p>When you compile <a href="theorem.c">theorem.c</a> as is and run with 5 args, it
+<p>When you compile <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/theorem/Rtheorem.c">theorem.c</a> as is and run with 5 args, it
 numerically solves the equation <code>y'=f(x,y)</code>, with a step size of <code>h</code> (see above
 usage), over the interval <code>x=[x1,x2]</code>, with the initial condition of <code>y(x1)=y1</code>.</p>
 <p>The ‘expression’ <code>f(x,y)</code> is any function of <code>x</code> and <code>y</code> with the