Huge cleanup, I switched to compile with

Huge cleanup, I switched to compile with
-Wall -g -O -ansi -pedantic -W -Wunused -Wimplicit
-Wreturn-type -Wswitch -Wcomment -Wtrigraphs -Wformat
-Wchar-subscripts -Wuninitialized -Wparentheses -Wshadow
-Wpointer-arith -Wcast-align -Wwrite-strings -Waggregate-return
-Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline
- libxslt/attributes.c libxslt/extensions.c libxslt/extra.c
  libxslt/functions.c libxslt/keys.c libxslt/numbers.c
  libxslt/pattern.c libxslt/preproc.c libxslt/templates.c
  libxslt/transform.c libxslt/variables.c libxslt/xslt.c
  libxslt/xsltutils.c: basically made static unexported functions
  avoided name clashes and flagged unused parameters.
Daniel