define environment spanning two columns
4133
How to make a figure span on two columns in a scientific paper?
134667
How can I set an environment variable which contains newline characters?
36866
Set number of columns in text-based interface
8431
Setting the column gap in a twocolumn (or multicol) document
125015
Add space before and after tabular environment
43162
Create environment inside another environment?
31648
ConTeXt: Complex multicolumn layout
45771
Add (insert) a column between two columns in a data.frame
127427
Table in Two Column
143103
How do I apply an environment map in Blender Internal?
134698
Number of columns
129316
amsmath align environment: row spacing
120431
Vertical space before environments
17007
Using newcommand inside newenvironment to print a table
97106
How do I add a prefix before all the data items that are in column B?
75627
Uniformly itemize list in two columns throughout the document
76768
Double-column listing package