The Text Editor window shows the contents of a text file and allows modifications of the file. The Text Editor is typically invoked by Edit|Open from the Project Window (unless an external editor has been specified in the Preferences).
The Tab Size specifies the width (number of characters) which is used to display a TAB character. With Show whitespaces whitespace characters will be displayed. With Show line numbers a line number gutter will be prepended.
Select Make default to have the selected options apply to all File Compare frames.
For basic settings regarding text components, refer to Built-in Text Editors.
Contains well-known functions to alter the file content resp. to find a certain text within the content.
Refer to Window for more details.