From 5c26f27b2ae6d3e0c3f5103cb5b847442baa6b9a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 10 Jan 2014 16:05:38 +0800
Subject: Fix up Pygments spacing

---
 glyphy/glyphy_slides.py |  4 ++--
 pangopygments.py        | 19 ++++++++++++++++++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/glyphy/glyphy_slides.py b/glyphy/glyphy_slides.py
index f541144..7f1d4e0 100755
--- a/glyphy/glyphy_slides.py
+++ b/glyphy/glyphy_slides.py
@@ -645,7 +645,7 @@ def commit_slide(s, who=None):
 slide_noone("<b>Drivers</b>")
 
 slide("<b>Case study</b>\nMesa\nsoftware\nrenderer")
-source_slide("""  "Infinite loop detected in fragment program"  """)
+source_slide("""\n  "Infinite loop detected in fragment program"  \n""")
 
 slide("<b>Case study</b>\nNvidia+Mac")
 patch_slide("""
@@ -739,7 +739,7 @@ Date:   Wed Apr 11 13:24:22 2012 -0700
 slide("60+fps\ni965 Thinkpad")
 
 slide("<b>Case study</b>\niPod 3G")
-source_slide("""  "Demo runs SLOW on my iPod 3G. ~3 FPS"  """)
+source_slide("""\n  "Demo runs SLOW on my iPod 3G. ~3 FPS"  \n""")
 
 slide("<b>Case study</b>\nAndroid 4.3+LGE")
 patch_slide("""
diff --git a/pangopygments.py b/pangopygments.py
index 1dec314..05685a7 100755
--- a/pangopygments.py
+++ b/pangopygments.py
@@ -77,7 +77,24 @@ def highlight(snippet, lang):
     print('Language %s is not supported.' % lang)
     return snippet
 
-  return pygments.highlight(snippet, __LEXERS[lang](), PangoFormatter())
+  # Pygments messes up initial and final newlines; fix up
+  begin = ''
+  if snippet[0] == '\n':
+	  begin = '\n'
+	  snippet = snippet[1:]
+  end = ''
+  if snippet[-1] == '\n':
+	  end = '\n'
+	  snippet = snippet[:-1]
+
+  snippet = pygments.highlight(snippet, __LEXERS[lang](), PangoFormatter())
+
+  if snippet[0] == '\n' and start == '\n':
+	  start = ''
+  if snippet[-1] == '\n' and end == '\n':
+	  end = ''
+
+  return begin + snippet + end
 
 if __name__ == '__main__':
   code = 'print "Hello World"'
-- 
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