This patch replaces the environment variable "GTK_IM_MODULE" with
"GUIX_GTK2_IM_MODULE_FILE" to prevent this version of GTK+ from loading input
method modules for other major versions of GTK+.

--- gtk+-2.24.30/gtk/gtkrc.c	2016-08-21 22:40:22.339660438 +0200
+++ gtk+-2.24.30/gtk/gtkrc.c	2016-08-23 10:11:11.080822710 +0200
@@ -439,7 +439,7 @@
 gchar *
 gtk_rc_get_im_module_file (void)
 {
-  const gchar *var = g_getenv ("GTK_IM_MODULE_FILE");
+  const gchar *var = g_getenv ("GUIX_GTK2_IM_MODULE_FILE");
   gchar *result = NULL;
 
   if (var)
'get'>
<input type='hidden' name='id' value='3f75a6e430085b56db06d520c89e7395f8aa74b9'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
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<div class='path'>path: <a href='/guix/log/?id=3f75a6e430085b56db06d520c89e7395f8aa74b9'>root</a>/<a href='/guix/log/tests?id=3f75a6e430085b56db06d520c89e7395f8aa74b9'>tests</a>/<a href='/guix/log/tests/cran.scm?id=3f75a6e430085b56db06d520c89e7395f8aa74b9'>cran.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/cran.scm?id=3f75a6e430085b56db06d520c89e7395f8aa74b9&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-18 04:09:47 +0100'>2021-12-18</span></td><td><a href='/guix/commit/tests/cran.scm?id=10ceb3e84654e024f14a4b048e7d68492ed9dc7c'>import: cran: Fix description-&gt;package test.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-07-11 00:49:16 +0200'>2021-07-11</span></td><td><a href='/guix/commit/tests/cran.scm?id=aa6921634b4ea9988af0e37bfbb56780c431ef64'>import: cran: Emit new-style package inputs.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-16 23:14:05 +0100'>2020-01-16</span></td><td><a href='/guix/commit/tests/cran.scm?id=cfd1ed84013df85f0e473884ef4038b4bd7120d4'>import: cran: Avoid uses of '@@' in the tests.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>