Minor fixes

library/collections/sequences-epilogue.factor

@@ -90,7 +90,8 @@ M: object like drop ;
 
 : pop* ( seq -- ) dup length 1- swap set-length ;
 
-: pop ( seq -- ) dup length 1- swap [ nth ] 2keep set-length ;
+: pop ( seq -- elt )
+    dup length 1- swap [ nth ] 2keep set-length ;
 
 : all-equal? ( seq -- ? ) [ = ] monotonic? ;
 

library/collections/sequences-epilogue.facts

@@ -151,7 +151,7 @@ HELP: pop*
 { $see-also peek pop } ;
 
 HELP: pop
-{ $values { "seq" "a resizable mutable sequence" } }
+{ $values { "seq" "a resizable mutable sequence" } { "elt" "an object" } }
 { $description "Outputs the last element after removing it and shortening the sequence." }
 { $side-effects "seq" }
 { $errors "Throws an error if the sequence is empty." }

library/collections/slicing.factor

@@ -34,7 +34,7 @@ strings vectors ;
 : ?head ( seq begin -- newseq ? )
     2dup head? [ length tail t ] [ drop f ] if ;
 
-: tail? ( seq end -- newseq ? )
+: tail? ( seq end -- ? )
     2dup [ length ] 2apply < [
         2drop f
     ] [

library/help/porter-stemmer.facts

@@ -21,15 +21,15 @@ HELP: step1b
 { $examples
     { $table
         { "Input:" "Output:" }
-        { "feed" } { "feed" }
-        { "agreed" } { "agree" }
-        { "disabled" } { "disable" }
-        { "matting" } { "mat" }
-        { "mating" } { "mate" }
-        { "meeting" } { "meet" }
-        { "milling" } { "mill" }
-        { "messing" } { "mess" }
-        { "meetings" } { "meet" }
+        { "feed"  "feed" }
+        { "agreed"  "agree" }
+        { "disabled"  "disable" }
+        { "matting"  "mat" }
+        { "mating"  "mate" }
+        { "meeting"  "meet" }
+        { "milling"  "mill" }
+        { "messing"  "mess" }
+        { "meetings"  "meet" }
     }
 } ;
 

library/io/plain-stream.facts

@@ -4,4 +4,4 @@ HELP: <plain-writer>
 { $values { "stream" "an input stream" } { "new-stream" "an input stream" } }
 { $description "Wraps an input stream in a stream supporting the extended stream output protocol in a trivial way." }
 { $notes "Stream constructors should call this word to wrap streams that do not natively support the extended stream output protocol." }
-{ $see "stream-protocol" } ;
+{ $see-also "stream-protocol" } ;