Extended filter for Code Completion

Original Reporter info from Mantis: regs

• Reporter name:

Description:

Optionally shows suggestions for prefix in the middle below of suggestions starting with prefix

Mantis conversion info:

• Mantis ID: 32974
• Fixed in revision: r57014 (#31d90d59), r57072 (#58eefa59), r57105 (#3164be0b), r57109 (#761123c8)
• Monitored by: » @FTurtle (FTurtle)