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Further improve RDFa metadata
This commit is contained in:
Alex Cabal
parent
bbb35911cd
commit
d714971e06
3 changed files with 74 additions and 22 deletions
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@ -297,7 +297,7 @@ class Ebook{
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// If we added an illustrator who is also the translator, remove the illustrator credit so the name doesn't appear twice
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foreach($this->Illustrators as $key => $illustrator){
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foreach($this->Translators as $translator){
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if($translator->Name == $c->Name){
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if($translator->Name == $illustrator->Name){
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unset($this->Illustrators[$key]);
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break;
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}
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@ -427,18 +427,18 @@ class Ebook{
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// Put together the full contributor string.
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$titleContributors = '';
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if(sizeof($this->Contributors) > 0){
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$titleContributors .= '. With ' . $this->GenerateContributorList($this->Contributors);
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$this->ContributorsHtml .= ' with ' . $this->GenerateContributorList($this->Contributors) . ';';
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$titleContributors .= '. With ' . $this->GenerateContributorList($this->Contributors, false);
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$this->ContributorsHtml .= ' with ' . $this->GenerateContributorList($this->Contributors, false) . ';';
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}
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if(sizeof($this->Translators) > 0){
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$titleContributors .= '. Translated by ' . $this->GenerateContributorList($this->Translators);
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$this->ContributorsHtml .= ' translated by ' . $this->GenerateContributorList($this->Translators) . ';';
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$titleContributors .= '. Translated by ' . $this->GenerateContributorList($this->Translators, false);
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$this->ContributorsHtml .= ' translated by ' . $this->GenerateContributorList($this->Translators, false) . ';';
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}
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if(sizeof($this->Illustrators) > 0){
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$titleContributors .= '. Illustrated by ' . $this->GenerateContributorList($this->Illustrators);
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$this->ContributorsHtml .= ' illustrated by ' . $this->GenerateContributorList($this->Illustrators) . ';';
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$titleContributors .= '. Illustrated by ' . $this->GenerateContributorList($this->Illustrators, false);
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$this->ContributorsHtml .= ' illustrated by ' . $this->GenerateContributorList($this->Illustrators, false) . ';';
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}
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if($this->ContributorsHtml !== null){
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@ -449,7 +449,7 @@ class Ebook{
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}
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}
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$this->AuthorsHtml = $this->GenerateContributorList($this->Authors);
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$this->AuthorsHtml = $this->GenerateContributorList($this->Authors, true);
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// Now the complete title with credits.
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$this->TitleWithCreditsHtml = Formatter::ToPlainText($this->Title) . ', by ' . str_replace('&', '&', $this->AuthorsHtml . $titleContributors);
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@ -610,12 +610,13 @@ class Ebook{
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/**
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* @param array<Contributor> $contributors
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* @param bool $includeRdfa
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*/
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private function GenerateContributorList(array $contributors): string{
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private function GenerateContributorList(array $contributors, bool $includeRdfa): string{
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$string = '';
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$i = 0;
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foreach($contributors as $contributor){
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foreach($contributors as $contributor){
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$role = 'schema:contributor';
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switch($contributor->MarcRole){
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case 'trl':
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@ -627,22 +628,32 @@ class Ebook{
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}
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if($contributor->WikipediaUrl){
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$string .= '<a property="' . $role . '" typeof="schema:Person" href="' . Formatter::ToPlainText($contributor->WikipediaUrl) .'"><span property="schema:name">' . Formatter::ToPlainText($contributor->Name) . '</span>';
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if($includeRdfa){
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$string .= '<a property="' . $role . '" typeof="schema:Person" href="' . Formatter::ToPlainText($contributor->WikipediaUrl) .'"><span property="schema:name">' . Formatter::ToPlainText($contributor->Name) . '</span>';
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if($contributor->NacoafUrl){
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$string .= '<meta property="schema:sameAs" content="' . Formatter::ToPlainText($contributor->NacoafUrl) . '"/>';
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if($contributor->NacoafUrl){
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$string .= '<meta property="schema:sameAs" content="' . Formatter::ToPlainText($contributor->NacoafUrl) . '"/>';
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}
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}
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else{
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$string .= '<a href="' . Formatter::ToPlainText($contributor->WikipediaUrl) .'">' . Formatter::ToPlainText($contributor->Name);
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}
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$string .= '</a>';
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}
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else{
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$string .= '<span property="' . $role . '" typeof="schema:Person"><span property="schema:name">' . Formatter::ToPlainText($contributor->Name) . '</span>';
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if($includeRdfa){
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$string .= '<span property="' . $role . '" typeof="schema:Person"><span property="schema:name">' . Formatter::ToPlainText($contributor->Name) . '</span>';
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if($contributor->NacoafUrl){
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$string .= '<meta property="schema:sameAs" content="' . Formatter::ToPlainText($contributor->NacoafUrl) . '"/>';
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if($contributor->NacoafUrl){
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$string .= '<meta property="schema:sameAs" content="' . Formatter::ToPlainText($contributor->NacoafUrl) . '"/>';
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}
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$string .= '</span>';
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}
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else{
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$string .= Formatter::ToPlainText($contributor->Name);
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}
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$string .= '</span>';
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}
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if($i == sizeof($contributors) - 2 && sizeof($contributors) > 2){
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@ -661,6 +672,46 @@ class Ebook{
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return $string;
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}
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public function GenerateContributorsRdfa(): string{
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$string = '';
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$i = 0;
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foreach($this->Translators as $contributor){
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$role = 'schema:contributor';
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switch($contributor->MarcRole){
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case 'trl':
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$role = 'schema:translator';
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break;
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case 'ill':
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$role = 'schema:illustrator';
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break;
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}
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if($contributor->WikipediaUrl){
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$string .= '<div property="' . $role . '" typeof="schema:Person" resource="/contributors/' . Formatter::MakeUrlSafe($contributor->Name) .'">' . "\n";
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}
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else{
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$string .= '<div property="' . $role . '" typeof="schema:Person">' . "\n";
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}
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$string .= '<meta property="schema:name" content="' . Formatter::ToPlainText($contributor->Name) . '"/>' . "\n";
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if($contributor->WikipediaUrl){
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$string .= '<meta property="schema:sameAs" content="' . Formatter::ToPlainText($contributor->WikipediaUrl) . '"/>' . "\n";
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}
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if($contributor->NacoafUrl){
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$string .= '<meta property="schema:sameAs" content="' . Formatter::ToPlainText($contributor->NacoafUrl) . '"/>' . "\n";
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}
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$string .= '</div>';
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$i++;
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}
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return $string;
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}
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private function NullIfEmpty($elements): ?string{
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if($elements === false){
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return null;
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@ -150,7 +150,7 @@ require_once('Core.php');
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<img src="/images/masthead/portrait.svg" role="presentation" alt=""/>
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<p>Anonymous × 3</p>
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</li>
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<? if(false){ ?>
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<? /*
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<li>
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<picture>
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<source srcset="/images/masthead/firstname-lastname@2x.avif 2x, /images/masthead/firstname-lastname.avif 1x" type="image/avif"/>
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@ -159,7 +159,7 @@ require_once('Core.php');
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</picture>
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<p>Firstname Lastname</p>
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</li>
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<? } ?>
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*/ ?>
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</ol>
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</section>
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</section>
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@ -90,6 +90,7 @@ catch(\Exception $ex){
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<span property="schema:name"><?= Formatter::ToPlainText($author->Name) ?></span>
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<meta property="schema:url" content="<?= SITE_URL . Formatter::ToPlainText($ebook->AuthorsUrl) ?>"/>
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<? if($author->NacoafUrl){ ?><meta property="schema:sameAs" content="<?= Formatter::ToPlainText($author->NacoafUrl) ?>"/><? } ?>
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<? if($author->WikipediaUrl){ ?><meta property="schema:sameAs" content="<?= Formatter::ToPlainText($author->WikipediaUrl) ?>"/><? } ?>
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</a>
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</h2>
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<? } ?>
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@ -138,10 +139,9 @@ catch(\Exception $ex){
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</section>
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<? if($ebook->HasDownloads){ ?>
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<section id="read-free" property="schema:workExample" typeof="schema:Book">
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<section id="read-free" property="schema:workExample" typeof="schema:Book" resource="<?= Formatter::ToPlainText($ebook->Url) ?>/downloads">
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<meta property="schema:bookFormat" content="http://schema.org/EBook"/>
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<meta property="schema:url" content="<?= Formatter::ToPlainText(SITE_URL . $ebook->Url) ?>"/>
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<meta property="schema:identifier" content="<?= Formatter::ToPlainText(SITE_URL . $ebook->Url) ?>"/>
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<meta property="schema:license" content="https://creativecommons.org/publicdomain/zero/1.0/"/>
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<div property="schema:publisher" typeof="schema:Organization">
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<meta property="schema:name" content="Standard Ebooks"/>
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@ -168,6 +168,7 @@ catch(\Exception $ex){
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</div>
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</div>
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</div>
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<?= $ebook->GenerateContributorsRdfa() ?>
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<h2>Read free</h2>
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<p class="us-pd-warning">This ebook is only thought to be free of copyright restrictions in the United States. It may still be under copyright in other countries. If you’re not located in the United States, you must check your local laws to verify that the contents of this ebook are free of copyright restrictions in the country you’re located in before downloading or using this ebook.</p>
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<section id="download">
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