Binary package “libqscintilla2-designer” in ubuntu precise

Qt4 Designer plugin for QScintilla 2

 QScintilla is a text editor for Qt4 with features especially useful when
 writing and debugging source code. These include support for syntax
 styling, error indicators, code completion, call tips and margins.
 .
 This package contains a plugin to use the QScintilla 2 widget in the
 Qt4 UI Designer.