Minor doc fixes, add ability to send EOF in UI listener

doc/handbook/hashtables.facts

@@ -9,6 +9,7 @@ $terpri
 "Hashtables form a class of objects."
 { $subsection hashcode }
 { $subsection hashtable? }
+"You can create a new hashtable with an initial capacity."
 { $subsection <hashtable> }
 "If you don't care about initial capacity, a more elegant way to create a new hashtable is to write:"
 { $code "H{ } clone" }

doc/handbook/sequences.facts

@@ -224,6 +224,7 @@ ARTICLE: "sbufs" "String buffers"
 $terpri
 "String buffer words are found in the " { $vocab-link "strings" } " vocabulary."
 { $subsection sbuf? }
+"Words for creating string buffers:"
 { $subsection >sbuf }
 { $subsection <sbuf> }
 "If you don't care about initial capacity, a more elegant way to create a new string buffer is to write:"
@@ -232,6 +233,7 @@ $terpri
 ARTICLE: "vectors" "Vectors"
 "A vector is a resizable mutable sequence of objects. Vector words are found in the " { $vocab-link "vectors" } " vocabulary."
 { $subsection vector? }
+"Words for creating vectors:"
 { $subsection >vector }
 { $subsection <vector> }
 "If you don't care about initial capacity, a more elegant way to create a new vector is to write:"

library/ui/text/interactor.factor

@@ -39,6 +39,7 @@ SYMBOL: structured-input
 interactor H{
     { T{ key-down f f "RETURN" } [ interactor-commit ] }
     { T{ key-down f { C+ } "l" } [ interactor-output pane-clear ] }
+    { T{ key-down f { C+ } "d" } [ f swap interactor-eval ] }
 } set-gestures
 
 M: interactor stream-readln ( pane -- line )