Update main-highlighter.zsh

Comments added

highlighters/main/main-highlighter.zsh

@@ -181,6 +181,7 @@ _zsh_highlight_main_highlighter_highlight_string()
               [[ "$arg[$c]" != ([0-9,xX,a-f,A-F]) ]] && break
             done
             AA=$arg[$i+1,$c-1]
+            # Matching for HEX and OCT values like \0xA6, \xA6 or \012
             if [[ "$AA" =~ "^(0*(x|X)[0-9,a-f,A-F]{1,2})" || "$AA" =~ "^(0[0-7]{1,3})" ]];then
               (( k += $#MATCH ))
               (( i += $#MATCH ))
@@ -188,10 +189,10 @@ _zsh_highlight_main_highlighter_highlight_string()
               (( k += 1 )) # Color following char too.
               (( i += 1 )) # Skip parsing the escaped char.
             fi
-              (( varflag = 0 ))
+              (( varflag = 0 )) # End of variable
             ;;
       ([^a-zA-Z0-9_]))
-            (( varflag = 0 ))
+            (( varflag = 0 )) # End of variable
             continue
             ;;
       *) [[ $varflag -eq 0 ]] && continue ;;