only strip strings
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@ -122,7 +122,7 @@ def info(pdf):
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if isinstance(value, dict) and 'x-default' in value:
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if isinstance(value, dict) and 'x-default' in value:
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value = value['x-default']
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value = value['x-default']
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elif isinstance(value, list):
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elif isinstance(value, list):
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value = [v.strip() for v in value if v.strip()]
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value = [v.strip() if isinstance(v, str) else v for v in value if v.strip()]
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_key = key[3:]
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_key = key[3:]
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if value and _key not in data:
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if value and _key not in data:
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data[_key] = value
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data[_key] = value
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