[elpa] externals/parser-generator 7ba32ff 154/434: Only save translation if it produces anything

[ELPA Syncer]

branch: externals/parser-generator
commit 7ba32ff598c04ebeb05e46a508731f3649a0957d
Author: Christian Johansson <christian@cvj.se>
Commit: Christian Johansson <christian@cvj.se>

    Only save translation if it produces anything
---
 parser-generator-lr.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/parser-generator-lr.el b/parser-generator-lr.el
index 7409c30..9692d47 100644
--- a/parser-generator-lr.el
+++ b/parser-generator-lr.el
@@ -639,7 +639,8 @@
                                    production-number)
                                   popped-items-meta-contents)))
                             (message "Partial-translation: %s" 
partial-translation)
-                            (push partial-translation translation))))
+                            (when partial-translation
+                              (push partial-translation translation)))))
 
                       (let ((new-table-index (car pushdown-list)))
                         (let ((goto-table (gethash new-table-index 
parser-generator-lr--goto-tables)))