* lib/scripts/lyxpreview2bitmap.py: fix frac calculation (bug 2391).

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_4_X@13510 a592a061-630c-0410-9148-cb99ea01b6c8

lib/ChangeLog

@@ -1,3 +1,7 @@
+2006-03-28  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
+
+	* scripts/lyxpreview2bitmap.py: fix frac calculation (bug 2391).
+
 2006-03-20  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
 
 	* bind/sciword.bind: fix find&replace entry.

lib/scripts/lyxpreview2bitmap.py

@@ -103,12 +103,12 @@ def extract_metrics_info(dvipng_stdout, metrics_file):
         ascent  = string.atof(match.group(2))
 
         frac = 0.5
-        if ascent >= 0 and descent >= 0:
+        if ascent >= 0 or descent >= 0:
             if abs(ascent + descent) > 0.1:
                 frac = ascent / (ascent + descent)
 
-            # Sanity check
-            if frac < 0 or frac > 1:
+	    # Sanity check
+            if frac < 0:
                 frac = 0.5
 
         metrics.write("Snippet %s %f\n" % (page, frac))

status.14x

@@ -104,6 +104,8 @@ What's new
 
 - Fix Find&Replace with sciword bindings.
 
+- Fix alignment of superscript previews (bug 2391).
+
 * Configuration/Installation:
 
 - Don't use the -mms-bitfields compiler switch on mingw and cygwin, since