Add a line length guideline to the GDScript style guide

This closes #2567.
godotengine · Dec 20, 2019 · bc47ace · bc47ace
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commit bc47ace
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diff --git a/getting_started/scripting/gdscript/gdscript_styleguide.rst b/getting_started/scripting/gdscript/gdscript_styleguide.rst
@@ -86,6 +86,13 @@ Surround functions and class definitions with two blank lines:
 
 Use one blank line inside functions to separate logical sections.
 
+Line length
+~~~~~~~~~~~
+
+Try to keep lines under 80 characters. This ensures greater readability on small
+displays and splitted editors (such as side-by-side diffs). It's OK to go over
+by a few characters, but a line should never exceed 100 characters.
+
 One statement per line
 ~~~~~~~~~~~~~~~~~~~~~~