changed chapter_number and act_number to chapter_heading and act_heading

@@ -10,3 +10,3 @@
 exact.
 
-Example output:
+Example output with no optional data:

@@ -46,0 +54,4 @@
+chapter 1 Lorem:
+         203 (drafted)
+         303 (dev edited)
+         506 words (total)

@@ -46,0 +67,4 @@
+drafted: 336 words (~35%)
+dev edited: 385 words (~40%)
+total: 946 words
+```

@@ -56,0 +85,4 @@
+* -a or --act — output act-by-act breakdown of word counts (total only)
+* --pp — run markdown pre-processor, this allows for a multi-file input
+(e.g. each chapter in its own file), but requires the MarkdownPP python
+library.

@@ -129,0 +166,4 @@
+
+```yaml
+[//]: # This text is completely ignored.
+```

@@ -129,0 +173,4 @@
+
+### Multi-file support
+
+Splitting your novel into multiple files is supported using the `MarkdownPP`

@@ -135,1 +195,3 @@
-novel-stats example.md
+
+2. A 6 file example in the `example` folder with the main file
+`multi_file.mdpp`. You can try this one out with

@@ -32,0 +32,4 @@
+        # -pp flag to allow Markdown Preprocessing primarily to allow multi-file novel formatting
+        # this is implemented using a temporary file created using python's buit-in tempfile library
+        import MarkdownPP, tempfile
+        mdfile = tempfile.TemporaryFile(mode='w+')

@@ -52,0 +64,4 @@
+                status_by_chapter[chapter_heading][current_status] = count_words(chapter_heading)
+            else:
+                current_status = line[len(STATUS_MARKER):].strip('()\n')
+                status_by_chapter[chapter_heading][current_status] += 0

@@ -93,2 +116,3 @@
+        print(f'{status}: {status_word_count:,} words (~{status_word_count * 100 // total_word_count}%)')
 
-    print('total: {:,} words'.format(total_word_count))
+    print(f'total: {total_word_count:,} words')