gallium/docs: Add formatting for envvar role; change debugging.
Per Jakob's request. Not super-pretty, but it's a good point for modding
later.
diff --git a/src/gallium/docs/source/conf.py b/src/gallium/docs/source/conf.py
index 99e6652..0846e7d 100644
--- a/src/gallium/docs/source/conf.py
+++ b/src/gallium/docs/source/conf.py
@@ -22,7 +22,7 @@
# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.pngmath', 'tgsi']
+extensions = ['sphinx.ext.pngmath', 'formatting']
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']