For each filter line the 'Add Lines' tool allows to be displayed up to 30 previous and/or next lines from the current loaded log-file. The additional lines can be colored individually.
An example is shown in the figure below where 3 previous lines and one next line to be displayed.
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Figure 20: Add Lines Tool
[1] click to apply the current settings
[2] reset the dialog
[3] close the dialog and hide all additional lines
[4] the filter line
[5] 3 previous lines
[6] 1 next line