Added support to set auto width of columns by content size in the data output window. Fixes #5954

docs/en_US/preferences.rst

@@ -372,6 +372,9 @@ Use the fields on the *Options* panel to manage editor preferences.
 Use the fields on the *Results grid* panel to specify your formatting
 preferences for copied data.
 
+* When the *Column data auto-resize?* switch is set to *True*, then data
+  output columns will auto fit to max data width. If it is set to *False* then
+  size is set based on data type or column name.
 * Use the *Result copy field separator* drop-down listbox to select the field
   separator for copied data.
 * Use the *Result copy quote character* drop-down listbox to select the quote

docs/en_US/release_notes_5_3.rst

@@ -9,6 +9,7 @@ This release contains a number of bug fixes and new features since the release o
 New features
 ************
 
+| `Issue #5954 <https://redmine.postgresql.org/issues/5954>`_ -  Added support to set auto width of columns by content size in the data output window.
 | `Issue #6158 <https://redmine.postgresql.org/issues/6158>`_ -  Added support to connect PostgreSQL servers via Kerberos authentication.
 | `Issue #6397 <https://redmine.postgresql.org/issues/6397>`_ -  Added "IF NOT EXISTS" clause while creating tables and partition tables which is convenient while using the ERD tool.