record id-based messages even if they have an empty source

this makes sense if one uses lupdate only for validation purposes, i.e.
to find out if the code uses only ids which are defined in some external
specification.

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/linguist/lupdate/merge.cpp b/tools/linguist/lupdate/merge.cpp
index a721439..fa0dd3d 100644
--- a/tools/linguist/lupdate/merge.cpp
+++ b/tools/linguist/lupdate/merge.cpp
@@ -341,7 +341,7 @@ Translator merge(const Translator &tor, const Translator &virginTor,
     foreach (TranslatorMessage m, tor.messages()) {
         TranslatorMessage::Type newType = TranslatorMessage::Finished;
 
-        if (m.sourceText().isEmpty()) {
+        if (m.sourceText().isEmpty() && m.id().isEmpty()) {
             // context/file comment
             TranslatorMessage mv = virginTor.find(m.context());
             if (!mv.isNull())
@@ -447,7 +447,7 @@ Translator merge(const Translator &tor, const Translator &virginTor,
       vernacular translator.
     */
     foreach (const TranslatorMessage &mv, virginTor.messages()) {
-        if (mv.sourceText().isEmpty()) {
+        if (mv.sourceText().isEmpty() && mv.id().isEmpty()) {
             if (tor.contains(mv.context()))
                 continue;
         } else {
@@ -465,7 +465,7 @@ Translator merge(const Translator &tor, const Translator &virginTor,
             outTor.append(mv);
         else
             outTor.appendSorted(mv);
-        if (!mv.sourceText().isEmpty())
+        if (!mv.sourceText().isEmpty() || !mv.id().isEmpty())
             ++neww;
     }