diff -ur empathy-2.31.92/libempathy-gtk/empathy-string-parser.c empathy-2.31.92.patched/libempathy-gtk/empathy-string-parser.c
--- empathy-2.31.92/libempathy-gtk/empathy-string-parser.c	2010-08-30 15:29:37.000000000 +0400
+++ empathy-2.31.92.patched/libempathy-gtk/empathy-string-parser.c	2010-09-22 20:33:25.000000000 +0400
@@ -27,14 +27,16 @@
 #include "empathy-ui-utils.h"
 
 #define SCHEMES           "([a-zA-Z\\+]+)"
-#define INVALID_CHARS     "\\s\"'"
-#define INVALID_CHARS_EXT INVALID_CHARS "\\[\\]<>(){},;:?"
+#define INVALID_CHARS     "\\s\"<>"
+#define INVALID_CHARS_EXT INVALID_CHARS "\\[\\](){},;:"
+#define INVALID_CHARS_FULL INVALID_CHARS_EXT "?'"
 #define BODY              "([^"INVALID_CHARS"]+)"
-#define BODY_END          "([^"INVALID_CHARS"]*)[^"INVALID_CHARS_EXT".]"
-#define BODY_STRICT       "([^"INVALID_CHARS_EXT"]+)"
+#define BODY_END          "([^"INVALID_CHARS"]*)[^"INVALID_CHARS_FULL".]"
+#define BODY_START        "([^"INVALID_CHARS_FULL"])"
+#define BODY_STRICT       "([^"INVALID_CHARS_EXT"]*)"
 #define URI_REGEX         "("SCHEMES"://"BODY_END")" \
 		          "|((www|ftp)\\."BODY_END")" \
-		          "|((mailto:)?"BODY_STRICT"@"BODY"\\."BODY_END")"
+		          "|((mailto:)?"BODY_START""BODY_STRICT"@"BODY"\\."BODY_END")"
 
 static GRegex *
 uri_regex_dup_singleton (void)
diff -ur empathy-2.31.92/tests/empathy-parser-test.c empathy-2.31.92.patched/tests/empathy-parser-test.c
--- empathy-2.31.92/tests/empathy-parser-test.c	2010-08-06 12:42:12.000000000 +0400
+++ empathy-2.31.92.patched/tests/empathy-parser-test.c	2010-09-22 21:10:29.000000000 +0400
@@ -44,6 +44,8 @@
       "http://foo.com; bar", "[http://foo.com]; bar",
       "http://foo.com: bar", "[http://foo.com]: bar",
       "http://foo.com:bar", "[http://foo.com:bar]",
+      "http://apos'foo.com", "[http://apos'foo.com]",
+      "mailto:bar'?user@server.com", "[mailto:bar'?user@server.com]",
 
       /* They are not links! */
       "http://", "http[:/]/", /* Hm... */
@@ -54,7 +56,7 @@
       "mailto:user@.com", "mailto:user@.com",
       "user@.com", "user@.com",
 
-      /* Links inside (), {}, [], <> or "" */
+      /* Links inside (), {}, [], <>, "" or '' */
       /* FIXME: How to test if the ending ] is matched or not? */
       "Foo (www.foo.com)", "Foo ([www.foo.com])",
       "Foo {www.foo.com}", "Foo {[www.foo.com]}",
@@ -68,6 +70,8 @@
       "Foo [user@server.com]", "Foo [[user@server.com]]",
       "Foo <user@server.com>", "Foo &lt;[user@server.com]&gt;",
       "Foo \"user@server.com\"", "Foo &quot;[user@server.com]&quot;",
+      "<a href='http://apos'foo.com'>bar</a>", "&lt;a href=&apos;[http://apos'foo.com]&apos;&gt;bar&lt;/a&gt;",
+      "Foo 'bar'?user@server.com'", "Foo &apos;[bar'?user@server.com]&apos;",
 
       /* Basic smileys */
       "a:)b", "a[:)]b",
Only in empathy-2.31.92.patched/tests: test-report.xml