Peptide secondary structure rendered incorrectly when display text includes 'e' or 'h'

Reported by Arne Sahm http://www.compbio.dundee.ac.uk/pipermail/jalview-discuss/2015-July/001215.html
Example: load alignment
>A
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
>B
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
>C
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

then load annotations:
JALVIEW_ANNOTATION

NO_GRAPH 1,3,5 bugged |||E,1: with e|||||||E,2:with x||||||||||||E,with e,3:with e|||||||||E,with e,4:with x||||||||H,5:with h||||||||H,6:with x||

annotations labelled 1, 3, 5 are incorrectly rendered.