build system: fix "Possible unintended interpolation of @host"

 message

diff --git a/docs/autodocifier.pl b/docs/autodocifier.pl
index 68b6f3c..78950dc 100755 (executable)
--- a/docs/autodocifier.pl
+++ b/docs/autodocifier.pl
@@ -36,6 +36,7 @@ sub beautify {
                        s/"\s*$//;
                        s/%/%%/g;
                        s/\$/\\\$/g;
+                       s/\@/\\\@/g;
                        eval qq[ sprintf(qq{$_}) ]
                } @line
        );