utf8 conversion: mostly working, help has issues

utf8 conversion: mostly working, help has issues

Localization seems to work.  The main help viewer dies though.  Other
parts of help seem to work.  Index causes a crash too.

Crash:
*** Error in `/usr/dt/bin/dthelpview': malloc(): memory corruption (fast): 0x00000000021fefb0 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f61814917e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x82651)[0x7f618149c651]
/lib/x86_64-linux-gnu/libc.so.6(__libc_malloc+0x54)[0x7f618149e184]
/usr/lib/x86_64-linux-gnu/libxcb.so.1(+0xc2ab)[0x7f617f71d2ab]
/usr/lib/x86_64-linux-gnu/libxcb.so.1(+0x9ed1)[0x7f617f71aed1]
/usr/lib/x86_64-linux-gnu/libxcb.so.1(+0xa31d)[0x7f617f71b31d]
/usr/lib/x86_64-linux-gnu/libxcb.so.1(xcb_writev+0x45)[0x7f617f71b3a5]
/usr/lib/x86_64-linux-gnu/libX11.so.6(_XSend+0x19e)[0x7f6181b2a54e]
/usr/lib/x86_64-linux-gnu/libX11.so.6(_XReply+0x82)[0x7f6181b2aa42]
/usr/lib/x86_64-linux-gnu/libX11.so.6(XSync+0x4d)[0x7f6181b2652d]
/usr/lib/x86_64-linux-gnu/libXm.so.4(XmUpdateDisplay+0x49)[0x7f61821c1d89]
/usr/dt/lib/libDtHelp.so.2(+0x2cf1d)[0x7f6182ae8f1d]
/usr/dt/lib/libDtHelp.so.2(+0x2d66d)[0x7f6182ae966d]
/usr/dt/lib/libDtHelp.so.2(_DtHelpGlobSrchDisplayDialog+0x2205)[0x7f6182aebca5]
/usr/dt/lib/libDtHelp.so.2(_DtHelpDisplayIndexCB+0x26)[0x7f6182af07e6]
/usr/lib/x86_64-linux-gnu/libXm.so.4(+0xde9d5)[0x7f618216e9d5]
/usr/lib/x86_64-linux-gnu/libXm.so.4(+0xdf0c5)[0x7f618216f0c5]
/usr/lib/x86_64-linux-gnu/libXm.so.4(_XmDispatchGadgetInput+0x113)[0x7f6182140683]
/usr/lib/x86_64-linux-gnu/libXm.so.4(_XmGadgetActivate+0x22)[0x7f61821ef0b2]
/usr/lib/x86_64-linux-gnu/libXt.so.6(+0x48965)[0x7f6181e6f965]
/usr/lib/x86_64-linux-gnu/libXt.so.6(_XtTranslateEvent+0x31a)[0x7f6181e7090a]
/usr/lib/x86_64-linux-gnu/libXt.so.6(XtDispatchEventToWidget+0x4cb)[0x7f6181e4921b]
/usr/lib/x86_64-linux-gnu/libXt.so.6(+0x228dd)[0x7f6181e498dd]
/usr/lib/x86_64-linux-gnu/libXt.so.6(XtDispatchEvent+0xc9)[0x7f6181e499b9]
/usr/lib/x86_64-linux-gnu/libXt.so.6(XtAppProcessEvent+0x1d7)[0x7f6181e555d7]
/usr/lib/x86_64-linux-gnu/libXt.so.6(XtAppMainLoop+0x2d)[0x7f6181e49d9d]
/usr/dt/bin/dthelpview[0x401b77]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f618143a830]
/usr/dt/bin/dthelpview[0x401c89]