The "gs_type42_font_init(GSUB)" buffer is not freed. ./xps/obj/gxps -ZA -l -dNOPAUSE -dQUIT -dBATCH \ ../tests_private/xps/xpsfts-a4/fts_01xx.xps >[2=1] \ | awk -f leaks.awk ... leak [a1:+b.]gs_type42_font_init(GSUB) -bytes-*(3662=3662*1) = 0x101043858 leak [a1:+b.]gs_type42_font_init(GSUB) -bytes-*(2474=2474*1) = 0x101087ad8 leak [a1:+b.]gs_type42_font_init(GSUB) -bytes-*(2474=2474*1) = 0x1010931d8 ... See bug #690754 for more xps leak info and the leaks.awk script.
Fixed in revision 11741: http://ghostscript.com/pipermail/gs-cvs/2010-September/011763.html