Index: usemod2trac/convert_usemod_to_trac.py
===================================================================
--- usemod2trac.orig/convert_usemod_to_trac.py	2008-01-17 16:50:20.000000000 +0100
+++ usemod2trac/convert_usemod_to_trac.py	2008-01-17 16:52:29.000000000 +0100
@@ -65,6 +65,7 @@
 nowiki_re = re.compile(r'<nowiki>(.*?)</nowiki>', re.IGNORECASE | re.DOTALL)
 code_re   = re.compile(r'<code>(.*?)</code>',     re.IGNORECASE | re.DOTALL)
 pre_re    = re.compile(r'<pre>(.*?)</pre>',       re.IGNORECASE | re.DOTALL)
+spaces_re = re.compile(r'^ +(.*?)',       re.IGNORECASE | re.DOTALL)
 
 def handle_multiline_markup(s):
     # The <nowiki> tag stores text with no markup
@@ -73,6 +74,8 @@
     s = code_re.sub(mo_group(1, store_pre), s)
     # The <pre> tag stores text with no {{{ markup }}}
     s = pre_re.sub(mo_group(1, store_pre), s)
+    # Beginning with spaces behaves like a <pre>, with no {{{ markup }}}
+    s = spaces_re.sub(mo_group(1, store_pre), s)
 
     s = re.sub(r'(?i)<b>(.*?)</b>', "'''\\1'''", s)
     s = re.sub(r'(?i)<i>(.*?)</i>', "''\\1''", s)