Fix some style nesting issues

TODO.FACTOR.txt

@@ -8,7 +8,6 @@
 
 + help:
 
-- double 'presented' for the block & char style
 - refactor style stack code so that nested styles are handled at a lower-level
   - with-style & with-stream-style
     - in HTML, we can nest div tags, etc

library/help/help.factor

@@ -19,8 +19,8 @@ M: word article-content
     ] { } make ;
 
 : with-default-style ( quot -- )
-    default-char-style [
-        default-para-style [ last-block on call ] with-nesting
+    default-style [
+        H{ } [ last-block on call ] with-nesting
     ] with-style ; inline
 
 : print-title ( article -- )

library/help/markup.factor

@@ -144,7 +144,7 @@ M: link summary "Link: " swap link-name append ;
     "Notes" $heading print-element ;
 
 : $see ( content -- )
-    code-style [ dup array? [ first ] when see ] with-nesting ;
+    code-style [ H{ } [ first see ] with-nesting ] with-style ;
 
 : $definition ( content -- )
     "Definition" $heading $see ;

library/help/stylesheet.factor

@@ -3,14 +3,10 @@
 IN: help
 USING: styles ;
 
-: default-char-style
+: default-style
     H{
         { font "serif" }
         { font-size 12 }
-    } ;
-
-: default-para-style
-    H{
         { wrap-margin 500 }
     } ;
 

library/io/nested-style.factor

@@ -30,8 +30,10 @@ M: nested-style-stream stream-write1
     >r ch>string r> H{ } swap do-nested-style stream-format ;
 
 : do-nested-quot ( quot style stream -- quot style stream )
-    do-nested-style
-    >r [ swap \ with-style 3array >quotation ] keep r> ;
+    tuck >r >r
+    nested-style-stream-style swap \ with-style
+    3array >quotation
+    r> r> do-nested-style ;
 
 M: nested-style-stream with-nested-stream
     do-nested-quot with-nested-stream ;

library/io/stdio.facts

@@ -57,8 +57,8 @@ HELP: with-nesting "( style quot -- )"
 { $notes "Details are in the documentation for " { $link stream-format } "." }
 $io-error ;
 
-HELP: print "( style quot -- )"
-{ $values { "style" "a hashtable" } { "quot" "a quotation" } }
+HELP: print "( style -- )"
+{ $values { "style" "a hashtable" } }
 { $description "Writes a newline-terminated string to the " { $link stdio } " stream." }
 $io-error ;
 

library/test/io/nested-style.factor

@@ -1,8 +1,6 @@
 IN: temporary
 USING: io kernel math namespaces styles test ;
 
-! Make sure everything here works...
-
 [ ">> + <<" ] [
     [
         [
@@ -12,3 +10,13 @@ USING: io kernel math namespaces styles test ;
         ] string-out
     ] with-scope
 ] unit-test
+
+[ "+" ] [
+    [
+        [
+            H{ } [
+                H{ { highlight t } } [ "+" write ] with-nesting
+            ] with-style
+        ] string-out
+    ] with-scope
+] unit-test