better documentation

doc/doxyfile.in

@@ -750,6 +750,8 @@ WARN_LOGFILE           = doxygen.errors
 
 INPUT                  = @top_srcdir@/src
 INPUT += @top_srcdir@/html
+INPUT += @top_srcdir@/scripts
+INPUT += @top_srcdir@/test
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -769,7 +771,7 @@ INPUT_ENCODING         = UTF-8
 # *.md, *.mm, *.dox, *.py, *.f90, *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf,
 # *.qsf, *.as and *.js.
 
-FILE_PATTERNS          = *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.idl *.ddl *.odl *.h *.hh *.hxx *.hpp *.h++ *.cs *.d *.php *.php4 *.php5 *.phtml *.html *.inc *.m *.markdown *.md *.mm *.dox *.py *.f90 *.f *.for *.tcl *.vhd *.vhdl *.ucf *.qsf *.as *.js *.wt
+FILE_PATTERNS          = *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.idl *.ddl *.odl *.h *.hh *.hxx *.hpp *.h++ *.cs *.d *.php *.php4 *.php5 *.phtml *.html *.inc *.m *.markdown *.md *.mm *.dox *.py *.f90 *.f *.for *.tcl *.vhd *.vhdl *.ucf *.qsf *.as *.js *.wt *.sql
 
 # The RECURSIVE tag can be used to specify whether or not subdirectories should
 # be searched for input files as well.
@@ -863,7 +865,7 @@ INPUT_FILTER           =
 # filters are used. If the FILTER_PATTERNS tag is empty or if none of the
 # patterns match the file name, INPUT_FILTER is applied.
 
-FILTER_PATTERNS        = *.wt=doxygen-webtester.sed
+FILTER_PATTERNS        = *.wt=doxygen-webtester.sed *.sql=@top_srcdir@/sql-to-dot.sed
 
 # If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
 # INPUT_FILTER ) will also be used to filter the input files that are used for