'main': Don't match redirection operators in command substitutions as <-> number range globs. Fixes #483.

highlighters/main/main-highlighter.zsh

@@ -801,6 +801,9 @@ _zsh_highlight_main_highlighter_highlight_argument()
   local i path_eligible style
   path_eligible=1
 
+  local -a match mbegin mend
+  local MATCH; integer MBEGIN MEND
+
   _zsh_highlight_main_add_region_highlight $start_pos $end_pos default
   for (( i = 1 ; i <= end_pos - start_pos ; i += 1 )); do
     case "$arg[$i]" in
@@ -822,14 +825,16 @@ _zsh_highlight_main_highlighter_highlight_argument()
         elif [[ $arg[i+1] == [*@#?-$!] ]]; then
           (( i += 1 ))
         fi;;
-      [*?]|\<)
-	# The '<' is for the <-> globbing syntax.  (This function doesn't get called on redirection tokens.)
-        if $highlight_glob; then
+      *)
+        if $highlight_glob && [[ ${arg[$i]} == [*?] || ${arg:$i-1} == \<[0-9]#-[0-9]#\>* ]]; then
+	  (( i += $#MATCH - 1 ))
           _zsh_highlight_main_add_region_highlight $start_pos $end_pos globbing
           path_eligible=0
           break
-        fi;;
-      *) continue;;
+        else
+          continue
+        fi
+        ;;
     esac
   done
 

highlighters/main/test-data/number_range-glob.zsh

@@ -28,13 +28,13 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
-BUFFER='print <-> x<-> <foo2-3>'
+BUFFER='print <-> x<->y <foo2-3>'
 
 expected_region_highlight=(
   '1 5 builtin' # print
   '7 9 globbing' # <->
-  '11 14 globbing' # x<->
-  '16 16 redirection' # <
-  '17 22 default' # foo2-3 (the filename)
-  '23 23 redirection' # >
+  '11 15 globbing' # x<->
+  '17 17 redirection' # <
+  '18 23 default' # foo2-3 (the filename)
+  '24 24 redirection' # >
 )

highlighters/main/test-data/redirection-in-cmdsubst.zsh

@@ -32,5 +32,5 @@ BUFFER=$': $(<foo)'
 
 expected_region_highlight=(
   '1 1 builtin' # :
-  '3 9 default "issue #483"' # $(<foo)
+  '3 9 default' # $(<foo)
 )