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Create ID's for Header elements so they can be referenced in anchor tags #765

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Create ID's for Header elements so they can be referenced in anchor tags #765

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7ead769
Create ID's for Header elements so they can be referenced in anchor tags
netniV Apr 29, 2020
cd6912d
Fix up unit tests following previous commit
netniV Apr 30, 2020
680287b
Fix issue with multi-byte string compatibility
netniV May 4, 2020
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2 changes: 1 addition & 1 deletion Parsedown.php
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Original file line number Diff line number Diff line change
Expand Up @@ -553,7 +553,7 @@ protected function blockHeader($Line)
}

$text = trim($text, ' ');
$link = strtolower(str_replace(' ','-',$text));
$link = preg_replace('/[^\p{L}\p{N}\p{M}-]+/u', '', mb_strtolower(mb_ereg_replace(' ','-',$text)));
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Do we absolutely need the mb_ereg_replace() here? It's not a regular expression, so we should be fine using str_replace(' ', '-', $text). GFM seems to convert consecutive spaces to consecutive dashes as well.

I'm not a decision maker, but as someone who spends a lot of time processing text and with this library, this looks great to me otherwise. Thank you!

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I think so, as if you consider a four byte character, one of those could match a space. Thus it would invalidate that character or change it to something it's not meant to be. I never deal with them but if we really want to make it universal, I would suggest we do.

$attr = array();
if (!empty($link)) {
$attr = array(
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