2.3.2 Section1.m
This part is the plain-text document that contains the Power Query Formula for each query in the spreadsheet. It is fully specified by [MSDOCS-MLANG] except for the following special rules:
Only a single section is allowed and MUST be named “Section1”.
Section member names MUST NOT contain periods, double quotes, tabs, leading/trailing whitespace, or line/carriage returns. Also, they MUST NOT be blank or consist only of whitespace.
All section members SHOULD be shared.