PyPDF4LLM: Problems when extracting pdf text

[JJS-L]

Hello，I'm glad I found such a good pdf text extractor!
tutorials/multi-columns/markdowntext.py
But there is still a problem, when I use the py file in this directory to process Wiley's document, two paragraph statements are messed up.
doi:10.1002/adom.202401391
Here is the text I extracted using this py
'''
colors (red, green, and blue) or a combi

Highly efficient and stable single-stack hybrid white organic light-emitting nation of complementary colors (com- diode (WOLED) devices are developed using two emissive layers: one with monly orange and blue) to generate a amber-colored phosphorescent molecular-aggregate emission from the Pd(II) broad emission spectrum.[[8,9]] The compli

cations associated with such architectures

complex, Pd(II) 7-(3-(pyridine-2-yl-κN)phenoxy-κC)(benzo-κC)([c]benzo[4,5]

stem from the employment of multiple

imidazo-κN)[1,2-a][1,5]naphthyridine, Pd3O8-Py5, and the other with blue

emitters, which require intricate device

fluorescence emission. An optimized device structure achieves high color sta- engineering strategies to avoid voltage- bility under various current densities, an external quantum efficiency (EQE) of dependent changes in the electrolumi- 45.5%, a power efficiency of 97.4 Lm W[−][1], and an estimated LT95 (operational nescent (EL) spectrum, typically caused time to 95% of the initial luminance) of 50 744 h at an initial luminance of by a shift of the exciton recombination

'''
Abstract
Highly efficient and stable single-stack hybrid white organic light-emitting
diode (WOLED) devices are developed using two emissive layers: one with
amber-colored phosphorescent molecular-aggregate emission from the Pd(II)
complex, Pd(II) 7-(3-(pyridine-2-yl-κN)phenoxy-κC)(benzo-κC)([c]benzo[4,5]

Introduction
colors (red, green, and blue) or a combi
nation of complementary colors (com
monly orange and blue) to generate a
broad emission spectrum.[8,9] The compli
cations associated with such architectures
stem from the employment of multiple
'''