teximg plugin: more precise documentation for the dependencies.

diff --git a/doc/plugins/teximg.mdwn b/doc/plugins/teximg.mdwn
index 866b1ee059b88cdbc9ef52dc58099be0ee0e561d..98f01faaaafee019e41dda2e4377871a117bfd73 100644 (file)
--- a/doc/plugins/teximg.mdwn
+++ b/doc/plugins/teximg.mdwn
@@ -4,7 +4,12 @@
 This plugin provides a [[ikiwiki/directive/teximg]] [[ikiwiki/directive]],
 that renders LaTeX formulas into images.
 
 This plugin provides a [[ikiwiki/directive/teximg]] [[ikiwiki/directive]],
 that renders LaTeX formulas into images.
 

-Of course you will need LaTeX installed for this to work.
+You will need LaTeX installed for this to work, specifically something
+providing `latex` in the path. You will also need either `dvipng` or a
+combination of `dvips` and `convert` from ImageMagick/GraphicsMagick.
+
+On Debian systems, the relevant package names are `texlive-latex-base`
+and either `dvipng` or `graphicsmagick-imagemagick-compat`.

 
 ## configuration
 
 
 ## configuration