Prevent reentance of styling which could occur when a styler added a fold point and this caused a search for subordinate lines which then tried to style further.
Prevent reentance of styling which could occur when a styler added a fold
point and this caused a search for subordinate lines which then tried to
style further.

R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone