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Use the PCRE-escaped non-breaking space so the /x modifier doesn’t strip it out #188

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Use the PCRE-escaped non-breaking space so the /x modifier doesn’t strip it out #188

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5 changes: 4 additions & 1 deletion src/fixes/node-fixes/class-space-collapse-fix.php
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Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,11 @@
*/
class Space_Collapse_Fix extends Abstract_Node_Fix {

// Use the PCRE-escaped non-breaking space so the /x modifier doesn’t strip it out.
const PCRE_ESCAPED_NO_BREAK_SPACE = "\\x{00A0}";

const COLLAPSE_NORMAL_SPACES = '/[' . RE::NORMAL_SPACES . ']+/Sxu';
const COLLAPSE_NON_BREAKABLE_SPACES = '/(?:[' . RE::NORMAL_SPACES . ']|' . RE::HTML_SPACES . ')*' . U::NO_BREAK_SPACE . '(?:[' . RE::NORMAL_SPACES . ']|' . RE::HTML_SPACES . ')*/Sxu';
const COLLAPSE_NON_BREAKABLE_SPACES = '/(?:[' . RE::NORMAL_SPACES . ']|' . RE::HTML_SPACES . ')*' . self::PCRE_ESCAPED_NO_BREAK_SPACE . '(?:[' . RE::NORMAL_SPACES . ']|' . RE::HTML_SPACES . ')*/Sxu';
const COLLAPSE_OTHER_SPACES = '/(?:[' . RE::NORMAL_SPACES . '])*(' . RE::HTML_SPACES . ')(?:[' . RE::NORMAL_SPACES . ']|' . RE::HTML_SPACES . ')*/Sxu';
const COLLAPSE_SPACES_AT_START_OF_BLOCK = '/\A(?:[' . RE::NORMAL_SPACES . ']|' . RE::HTML_SPACES . ')+/Sxu';

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