id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type
1633513067,PR_kwDOAMm_X85MhlTu,7653,limit lines in html repr of dataset attrs,5295054,open,0,,,4,2023-03-21T09:26:11Z,2023-03-23T10:01:35Z,,FIRST_TIME_CONTRIBUTOR,,0,pydata/xarray/pulls/7653,"Truncates the amount of lines output by `_html_repr_` for `DataSet`/`DataArray` objects.

Motivation is that currently, if an attribute has a larger number of line breaks, it will pollute your _Jupyter_ (etc) view. 
For example, I like to append the measurement script source file to all my measurement results. When I then load the netcdf file, the attributes will contain a file with potentially hundreds of lines. I don't want all these lines to be shown in my output cells when viewing the html representation.

In the suggested edit, `max_lines` defines above which amount of lines the output should be truncated, while `min_lines` defines how many should still be shown (like a preview). The current values of 15 and 10 are somewhat arbitrary.
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