From 31bf791ad66fe935721adde60778cd42f2a70afb Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 17 Jan 2019 15:04:51 +0530
Subject: [PATCH] DOCX Input: When converting indices, put each sub-entry on
 its own line. See #1811611 (Word to EPUB adds a digit at the end of some
 chapters)

---
 src/calibre/ebooks/docx/index.py | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/calibre/ebooks/docx/index.py b/src/calibre/ebooks/docx/index.py
index d7631bc4a0..b4bd00b792 100644
--- a/src/calibre/ebooks/docx/index.py
+++ b/src/calibre/ebooks/docx/index.py
@@ -59,9 +59,11 @@ def make_block(expand, style, parent, pos):
 
 
 def add_xe(xe, t, expand):
-    text = xe.get('text', '')
+    run = t.getparent()
+    idx = run.index(t)
+    t.text = xe.get('text') or ' '
     pt = xe.get('page-number-text', None)
-    t.text = text or ' '
+
     if pt:
         p = t.getparent().getparent()
         r = p.makeelement(expand('w:r'))
@@ -70,7 +72,9 @@ def add_xe(xe, t, expand):
         t2.set(expand('xml:space'), 'preserve')
         t2.text = ' [%s]' % pt
         r.append(t2)
-    return xe['anchor'], t.getparent()
+    # put separate entries on separate lines
+    run.insert(idx + 1, run.makeelement(expand('w:br')))
+    return xe['anchor'], run
 
 
 def process_index(field, index, xe_fields, log, XPath, expand):
@@ -139,6 +143,7 @@ def split_up_block(block, a, text, parts, ldict):
     span.append(a)
     ldict[span]    = len(prefix)
 
+
 """
 The merge algorithm is a little tricky.
 We start with a list of elementary blocks. Each is an HtmlElement, a p node
@@ -255,6 +260,9 @@ def polish_index_markup(index, blocks):
             span.append(a[0])
             ldict[span] = 0
 
+        for br in block.xpath('descendant::br'):
+            br.tail = None
+
     # We want a single block for each main entry
     prev_block = blocks[0]
     for block in blocks[1:]:
@@ -263,4 +271,3 @@ def polish_index_markup(index, blocks):
             merge_blocks(prev_block, block, 0, 0, pn, ldict)
         else:
             prev_block = block
-