By default 'mutt' embeds configure flags and the output of 'gcc -v',
which contains the store file name of Bash and GCC.  This patch makes
sure we don't embed a reference to these in 'mutt'.

diff --git a/txt2c.sh b/txt2c.sh
index f634bb9..53845cf 100755
--- a/txt2c.sh
+++ b/txt2c.sh
@@ -21,6 +21,8 @@ txt2c_fallback () {
 	echo ";"
 }
 
+echo "unsigned char $1[] = \"value of '$1' not kept\";"
+exit 0
 if ./txt2c test </dev/null >/dev/null 2>&1; then
     ./txt2c "$1"
 else
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<tr><td><span title='2021-04-01 10:53:05 +0300'>2021-04-01</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=7e0e98aed6d9c9003d09ce156602a74b48b01d66'>gnu: waybar: Update to 0.9.5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/wm.scm (waybar): Update to 0.9.5.
[inputs]: Replace fmt-6 with fmt, spdlog-1.7 with spdlog.
* gnu/packages/logging.scm (spdlog-1.7): Remove variable.
* gnu/packages/pretty-print.scm (fmt-6): Same.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>pricly_yellow</td></tr>
<tr><td><span title='2021-03-11 23:11:58 +0100'>2021-03-11</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=47093ca4cd403d95962c5ba8ce744a1848bbb4e3'>gnu: fmt: Update to 7.1.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (fmt): Update to 7.1.3.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Greg Hogan</td></tr>
<tr><td><span title='2021-03-04 00:45:02 +0100'>2021-03-04</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=439df62672bd22a4a1a8de0d94c2242635fa4c33'>gnu: highlight: Update to 3.62.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (highlight): Update to 3.62.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-01-02 18:54:24 +0100'>2021-01-02</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=35d6d33a6cae99c6b4b689760e70fa0dcd163bc1'>gnu: highlight: Update to 3.60.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (highlight): Update to 3.60.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-15 00:38:32 +0100'>2020-11-15</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=cd551413eef6fbf54eff20792661e9fc279bdd7f'>gnu: highlight: Update to 3.59.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (highlight): Update to 3.59.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-11 21:37:12 +0100'>2020-11-11</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=5b48d6de23fb3936750df7571d3067b28a8ee6d1'>gnu: a2ps: Remove unused input.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (a2ps)[inputs]: Remove IMAGEMAGICK.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-10-09 23:59:14 +0200'>2020-10-09</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=2f4b51ab22b312b11656f70e2dd08290592358d3'>gnu: source-highlight: Allow cross-compilation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (source-highlight)[arguments]: Add
'skip-doc-directory' when (%current-target-system) is true.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-15 12:02:28 +0300'>2020-09-15</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=a8360892d734b6c7418dd600b838faf2b2eda30c'>gnu: waybar: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>Reported by bdju.

* gnu/packages/pretty-print.scm (fmt-6): New variable.
* gnu/packages/wm.scm (waybar)[inputs]: Replace fmt with fmt-6.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-09-13 23:34:23 +0200'>2020-09-13</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=0f918908ebcfc1d5aeb780d6fbe5c52a48178e85'>gnu: fmt: Update to 7.0.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>From 820d39a55a5673fffac70c919b8cc3b28d94f6e7 Mon Sep 17 00:00:00 2001
From: Greg Hogan &lt;code@greghogan.com&gt;
Date: Fri, 11 Sep 2020 10:53:20 +0000
Subject: [PATCH] gnu: fmt: Update to 7.0.3.

* gnu/packages/pretty-print.scm (fmt): Update to 7.0.3.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Greg Hogan</td></tr>
<tr><td><span title='2020-09-11 16:28:02 +0200'>2020-09-11</span></td><td><a href='/guix/commit/gnu/packages/pretty-print.scm?id=6bdc3b429af1d1be7120c594c0ed4826acde9c3d'>gnu: highlight: Update to 3.58.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pretty-print.scm (highlight): Update to 3.58.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>