Manual "autohint" context menu in edit view creates hint with very large value

Scenario: adding manual hints for a glyph. Using context menu (control-click) in edit view to have Glyphs automatically guess and place hints to start. In a diff of the previous .glyphs file, I noticed hints were added with a place value above 30,000. It seems to happen on glyphs with curves (without having done lots of diagnosis).

Version: Glyphs 1.4.2 (554)
OS X 10.8.2

I’ve switched back to manually defining all the hints in a glyph that could use manual hinting when the autohint process needs some help (instead of seeing what Glyphs will guess for the manual hints).

Can you send me the .glyphs file?