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As a general comment, I think to_latex() would benefit a lot from some refactoring which abstracted some of the (non-)escaping subtleties. There should be a way to avoid a replace() for each specific command, setting placeholders instead which are finally transformed all at once. This would also allow users to also insert "non-escapand" content (e.g. LaTeX formulae as labels) without setting escape=False, which in many cases is an imperfect workaround.
Code Sample, a copy-pastable example if possible
Problem description
to_latex()
assumes thatMultiIndex
level names, if any, are strings.Related to #18669
As a general comment, I think
to_latex()
would benefit a lot from some refactoring which abstracted some of the (non-)escaping subtleties. There should be a way to avoid areplace()
for each specific command, setting placeholders instead which are finally transformed all at once. This would also allow users to also insert "non-escapand" content (e.g. LaTeX formulae as labels) without settingescape=False
, which in many cases is an imperfect workaround.Expected Output
Output of
pd.show_versions()
INSTALLED VERSIONS
commit: 0bfb61b
python: 3.5.3.final.0
python-bits: 64
OS: Linux
OS-release: 4.9.0-5-amd64
machine: x86_64
processor:
byteorder: little
LC_ALL: None
LANG: it_IT.UTF-8
LOCALE: it_IT.UTF-8
pandas: 0.23.0.dev0+422.g0bfb61b21.dirty
pytest: 3.2.3
pip: 9.0.1
setuptools: 36.7.0
Cython: 0.25.2
numpy: 1.14.1
scipy: 0.19.0
pyarrow: None
xarray: None
IPython: 6.2.1
sphinx: 1.5.6
patsy: 0.5.0
dateutil: 2.6.1
pytz: 2017.2
blosc: None
bottleneck: 1.2.0dev
tables: 3.3.0
numexpr: 2.6.1
feather: 0.3.1
matplotlib: 2.0.0
openpyxl: 2.3.0
xlrd: 1.0.0
xlwt: 1.3.0
xlsxwriter: 0.9.6
lxml: 4.1.1
bs4: 4.5.3
html5lib: 0.999999999
sqlalchemy: 1.0.15
pymysql: None
psycopg2: None
jinja2: 2.10
s3fs: None
fastparquet: None
pandas_gbq: None
pandas_datareader: 0.2.1
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