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creating valid epub structure #7

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1 change: 1 addition & 0 deletions .gitignore
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ebook
3 changes: 1 addition & 2 deletions prolog/attributedvariables.html
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@@ -1,4 +1,4 @@
<!DOCTYPE html>
<!DOCTYPE html>
<html>
<head>
<title>Attributed Variables in Prolog</title>
Expand Down Expand Up @@ -1400,7 +1400,6 @@

and hence <i>fail</i>.

</pre>
<center><h2>Further reading and future work</h2></center>

Attributed variables are typically used to implement constraint
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62 changes: 62 additions & 0 deletions prolog/ebook.sh
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#!/bin/bash

ebook_dir="./ebook"
content="$ebook_dir/content.opf"
manifest="$ebook_dir/manifest"
spine="$ebook_dir/spine"
toc="$ebook_dir/toc.ncx"

echo "dir: $ebook_dir"

if [ -d "$ebook_dir" ]; then
rm -rf "$ebook_dir"
fi
mkdir "$ebook_dir"

cp "kindle.css" "$ebook_dir/kindle.css"

for chapter in *.html; do
echo "chapter: $chapter"
chapter_file="$ebook_dir/$chapter"
echo " <item id=\"$chapter\" href=\"$chapter\" media-type=\"application/html\"/>" >> "$manifest"
echo " <itemref idref=\"$chapter\"/>" >> "$spine"
awk '{\
gsub(" style=\"[^\"]+?\"","");\
gsub("<script src=\".+\"></script>","");\
sub("<link rel=\"stylesheet\" type=\"text/css\" href=\".*toc.css\">","");\
sub("<link rel=\"stylesheet\" type=\"text/css\" href=\".*prolog.css\">","<link rel=\"stylesheet\" type=\"text/css\" href=\"kindle.css\">");\
print\
}' "$chapter" > "$chapter_file"
done

echo '<?xml version="1.0" encoding="utf-8"?>
<package version="2.0" unique-identifier="BookId" xmlns="http://www.idpf.org/2007/opf">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf">
<dc:identifier opf:scheme="UUID" id="BookId">urn:uuid:ca006611-474d-43a3-9a76-c06b86ac020b</dc:identifier>
<dc:creator opf:role="aut">Markus Triska</dc:creator>
<dc:title>The Power of Prolog</dc:title>
<dc:language>en</dc:language>
<dc:date opf:event="modification" xmlns:opf="http://www.idpf.org/2007/opf">2018-05-28</dc:date>
</metadata>
<manifest>' >> "$content"
echo '<item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml"/>' >> "$content"
cat "$manifest" >> "$content"
echo ' </manifest>
<spine toc="ncx">' >> "$content"
cat "$spine" >> "$content"
echo ' </spine>
<guide>
</guide>
</package>' >> "$content"

rm "$manifest" "$spine"

echo '<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<!DOCTYPE ncx PUBLIC "-//NISO//DTD ncx 2005-1//EN" "http://www.daisy.org/z3986/2005/ncx-2005-1.dtd">
<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="en">
<!-- Metadata Section -->
<!-- Title and Author Section -->
<!-- Navigation Map Section -->
</ncx>' >> "$toc"

echo "prepared ebook data, zip files in ebook directory and rename file to .epub"
34 changes: 34 additions & 0 deletions prolog/kindle.css
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h1 {
font-size: 3em;
page-break-before: always;
}

a {
color: black !important;
text-decoration: underline !important;
}

.box {
background: lightgray;
padding: 1em;
margin-left: 3em;
}

.example {
border: 1px solid gray;
padding: 1em;
}

.query {
background: lightgray;
}

.secret {
background: gray;
color: white;
padding: 0.2em;
}

b>tt, pre {
margin-left: 1em;
}
4 changes: 2 additions & 2 deletions prolog/puzzles.html
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Expand Up @@ -277,8 +277,8 @@
implication_chain([], Prev) --&gt; [Prev].
implication_chain(Vs0, Prev) --&gt; [Prev],
{ select(V, Vs0, Vs) },
( { taut(Prev =< V, 1) } -&gt; implication_chain(Vs, V)
; { taut(Prev =< ~V, 1) } -&gt; implication_chain(Vs, ~V)
( { taut(Prev =&gt; V, 1) } -&gt; implication_chain(Vs, V)
; { taut(Prev =&gt; ~V, 1) } -&gt; implication_chain(Vs, ~V)
).
</pre>

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