<commit_before><commit_msg>Better fix for the 'outline entry must be a string' problem<commit_after>A heading with unicode: Áëìćĉ
=============================

Even if you can't see the heading correctly in the page, 
you should see it correctly in your PDF viewer's TOC

Dummy heading
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This is so the first one appears in the TOC
{'fraction_non_alphanumeric': 0.1565217391304348, 'fraction_numerical': 0.0, 'mean_word_length': 5.407407407407407, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3739609', 'n_tokens_mistral': 98, 'n_tokens_neox': 91, 'n_words': 48}