From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Wed, 1 Jul 2009 14:32:07 +0000 (+0200)
Subject: Only allow a word to start with a-z in pret-lam.
X-Git-Tag: final-thesis~318
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Freport.git;a=commitdiff_plain;h=0028507a3d326add5d45d20cfe750ef964d9b3f0

Only allow a word to start with a-z in pret-lam.

This prevents seeing a λ or other non a-z (but letter characters according
to the %a character class) as the start of a word.
---

diff --git a/pret-lam.lua b/pret-lam.lua
index c05f987..cf50e87 100644
--- a/pret-lam.lua
+++ b/pret-lam.lua
@@ -62,7 +62,9 @@ end
 -- Take a single word from str, if posible. Returns the rest of the string and
 -- the word taken.
 function buffers.visualizers.lam.take_word(str)
-        res, newstr = utf.match(str, "^(%a[%a%d_]+)(.*)")
+        -- A word must always start with a-z (in particular, λ is not a valid
+        -- start of a word).
+        res, newstr = utf.match(str, "^([a-z][%a%d_]+)(.*)")
         return res, newstr or str
 end