From 20e8cd127db12e1b12d04fdda6b38efef7c8a4da Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 30 Oct 2007 21:18:21 +0000
Subject: [PATCH] Fix handling of line-height

---
 src/libprs500/ebooks/lrf/html/convert_from.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/libprs500/ebooks/lrf/html/convert_from.py b/src/libprs500/ebooks/lrf/html/convert_from.py
index 12cb357895..792f660291 100644
--- a/src/libprs500/ebooks/lrf/html/convert_from.py
+++ b/src/libprs500/ebooks/lrf/html/convert_from.py
@@ -1182,9 +1182,17 @@ class HTMLConverter(object):
         fp['parindent'] = indent
         
         if tag_css.has_key('line-height'):
-            val = self.unit_convert(tag_css['line-height'], pts=True, base_length='1pt')
+            bls, ls = int(self.current_block.textStyle.attrs['baselineskip']), \
+                      int(self.current_block.textStyle.attrs['linespace'])              
+            try: # See if line-height is a unitless number
+                val = int(float(tag_css['line-height'].strip()) * (bls+ls))
+                fp['linespace'] = val
+            except ValueError:
+                val = self.unit_convert(tag_css['line-height'], pts=True, base_length='1pt')
             if val is not None:
-                fp['linespace'] = val        
+                val -= bls
+                if val >= 0:
+                    fp['linespace'] = val        
         
         return fp