help: change the "help" word-prop to store the actual documentation.

Change word-help to massage the $inputs and $outputs when requested.

Revert the help.lint.coverage checks to still look for $values.

basis/help/help.factor

@@ -9,8 +9,25 @@ IN: help
 
 GENERIC: word-help* ( word -- content )
 
+<PRIVATE
+
+: inputs-and-outputs ( content word -- content' word )
+   over [ dup array? [ { $values } head? ] [ drop f ] if ] find drop [
+        '[ _ cut unclip rest ] dip [
+            stack-effect [ in>> ] [ out>> ] bi
+            [ [ dup pair? [ first ] when ] map ] bi@
+            [ '[ ?first _ member? ] filter ] bi-curry@
+            \ $inputs \ $outputs
+            [ '[ @ _ prefix ] ] bi-curry@ bi* bi
+            2array glue
+        ] keep
+    ] when* ;
+
+PRIVATE>
+
 : word-help ( word -- content )
-    dup "help" word-prop [ ] [ word-help* ] ?if ;
+    [ dup "help" word-prop [ ] [ word-help* ] ?if ]
+    [ inputs-and-outputs drop ] bi ;
 
 M: word word-help*
     stack-effect [ in>> ] [ out>> ] bi [
@@ -183,22 +200,5 @@ help-hook [ [ print-topic ] ] initialize
 : remove-word-help ( word -- )
     f "help" set-word-prop ;
 
-<PRIVATE
-
-: inputs-and-outputs ( content word -- content' word )
-   over [ dup array? [ { $values } head? ] [ drop f ] if ] find drop [
-        '[ _ cut unclip rest ] dip [
-            stack-effect [ in>> ] [ out>> ] bi
-            [ [ dup pair? [ first ] when ] map ] bi@
-            [ '[ ?first _ member? ] filter ] bi-curry@
-            \ $inputs \ $outputs
-            [ '[ @ _ prefix ] ] bi-curry@ bi* bi
-            2array glue
-        ] keep
-    ] when* ;
-
-PRIVATE>
-
 : set-word-help ( content word -- )
-    inputs-and-outputs
     [ swap "help" set-word-prop ] keep xref-article ;

basis/help/lint/lint.factor

@@ -3,7 +3,7 @@
 USING: assocs classes combinators command-line continuations fry
 help help.lint.checks help.topics io kernel listener locals
 namespaces parser sequences source-files.errors system
-tools.errors vocabs vocabs.hierarchy ;
+tools.errors vocabs vocabs.hierarchy words ;
 IN: help.lint
 
 SYMBOL: lint-failures
@@ -45,13 +45,15 @@ PRIVATE>
 
 : check-word ( word -- )
     [ with-file-vocabs ] vocabs-quot set
-    dup word-help [
+    dup "help" word-prop [
         [ >link ] keep '[
-            _ dup word-help {
+            _ dup "help" word-prop {
                 [ check-values ]
                 [ check-value-effects ]
                 [ check-class-description ]
-                [ nip [ check-nulls ] [ check-see-also ] [ check-markup ] tri ]
+                [ nip check-nulls ]
+                [ nip check-see-also ]
+                [ nip check-markup ]
             } 2cleave
         ] check-something
     ] [ drop ] if ;

extra/help/lint/coverage/coverage.factor

@@ -118,12 +118,12 @@ M: word-help-coverage summary
     } cond ?remove-$values ;
 
 : word-defines-sections ( word -- seq )
-    word-help [ ignored-words member? not ] filter [ ?first ] map ;
+    "help" word-prop [ ignored-words member? not ] filter [ ?first ] map ;
 
 ! only words that need examples, need to have them nonempty
 ! not defining examples is not the same as an empty { $examples }
 : empty-examples? ( word -- ? )
-    word-help \ $examples swap elements [ f ] [ first rest empty? ] if-empty ;
+    "help" word-prop \ $examples swap elements [ f ] [ first rest empty? ] if-empty ;
 
 : missing-sections ( word -- missing )
     [ should-define ] [ word-defines-sections ] bi diff ;