Solution : https://service.sap.com/sap/support/notes/1403736 (SAP Service marketplace login required)
Key words : 
problem-rtl text, english text section, relevant support packages, english document, support forsapscript, support package, bidirectional scripts, long left-, -left document, hebrew document
Related Notes : 
       
| 1450752 | SAPscript: Text in Address is wrongly formatted | 
| 1391768 | API for BIDI support in text processing | 
| 822634 | RTL SAPScript/Smartforms printing with embedded LTR texts | 
| 587150 | Support of Arabic-script languages |