* move pf_convert_float from floating.c to interpret.c
+ show_word()
- struct word, + word_ptr, + word_len
- obsolete p4_category prototype
* use P4RUNTIMES1_ instead of P4RUNTIME1 for pf_variable and pf_constant
+ FX_RUNTIME1 in pf_colon and pf_builds
* change some defines
+ fvariable and fconstant in pf_category
+ categories in WORDS help
+ values, variables and floating-point variables and constants are different categories of words
* pf_version_string
+ add LF in printf to display as puts
+ pf_show_category
+ pf_show_category
* HELP search exact word
* p4_debug_* rename to pf_debug_*
- obsolete <BUILDS word
+ CREATE word in WORDS help
* pf_create replaces pf_build
* pf_create replaces pf_build