Improve a few comments

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@732054 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/scratchpad/src/org/apache/poi/hdgf/HDGFLZW.java b/src/scratchpad/src/org/apache/poi/hdgf/HDGFLZW.java
index 049a768dcce7ba6bd4da1fdf047317711d4a5f27..935cbed15385ee51daddbb9b23e13ba3593b17ef 100644 (file)
--- a/src/scratchpad/src/org/apache/poi/hdgf/HDGFLZW.java
+++ b/src/scratchpad/src/org/apache/poi/hdgf/HDGFLZW.java
@@ -259,6 +259,8 @@ private void outputCompressed(OutputStream res) throws IOException {
        // Increment the mask bit count, we've done another code
        maskBitsSet++;
        // Add the length+code to the buffer
+       // (The position is the first 12 bits, the
+       //  length is the last 4 bits)
        // TODO
        posOut += 2;
        
@@ -351,8 +353,11 @@ private void compress(InputStream src, OutputStream res) throws IOException {
                        continue;
                }
                
-               // If there was something in rawCode before, then we
-               //  need to output that
+               // If we get here, then the rawCode + this byte weren't
+               // found in the dictionary
+               
+               // If there was something in rawCode before, then that was
+               // found in the dictionary, so output that compressed
                rawCodeLen--;
                if(rawCodeLen > 0) {
                        // Output the old rawCode