Use \HLine instead of \blackrule in transformations.

diff --git a/pret-trans.lua b/pret-trans.lua
index 1d2eb95c8da8dac2960a5a6e7a24ffa33da23857..212c835ace52d0c7b026fc606dca6d336cba5ba1 100644 (file)
--- a/pret-trans.lua
+++ b/pret-trans.lua
@@ -13,7 +13,7 @@ local vis = buffers.newvisualizer("trans")
 
 local commands = {}
 -- A command to create a horizontal rule.
-commands.rule = "\\blackrule[height=0.5pt,depth=0pt,width=.40\\textwidth]"
+commands.rule = "\\HLine[width=.40 * \\the\\textwidth]"
 -- Pretty printer to use for the stuff before and after the line
 commands.before_pret = "lam"
 commands.after_pret = "lam"