provide the possibility for breaking lines only in comments (bug #41555) * file-editor-tab.cc (notice_settings): get preference on breaking lines in comments only; (handle_char_added): check current style for comment and break lines if desired, add comment string at the new line if comment is a line comment * file-editor-tab.h: new class variable for line breaking in comments only * settings-dialog.cc (settings_dialog): initialize new checkbox from settings; (write_changed_settings): store state of the checkbox into settings file * settings-dialog.ui: new checkbox for line breaking in comments only

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