Configuring Hidden, Invisible, or Whitespace Characters in The Eclipse Text Editor

The newer (I am currently using Mars, 4.5.0) versions of Eclipse provide very good tools for configuring the visibility of whitespace characters in code.

To customize your settings go to Window -> Preferences -> General -> Editors -> Text Editors.

On that page there will be checkbox option next to “Show whitespace characters (configure visibility).

Clicking on the ‘configure visibility’ link will allow you to choose what is shown and the opacity of the whitespace characters, which is a really nice touch.

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