commit 334cc0fb54aba89554b6f6df8a29631351555fea
Author: Tanmai Khanna <khanna.tanmai@gmail.com>
Date:   Mon Jul 20 01:28:18 2020 +0530

    If matched pattern has one LU, blank goes on all output LUs automatically

diff --git a/apertium/transfer.cc b/apertium/transfer.cc
index 821aae3..22172b1 100644
--- a/apertium/transfer.cc
+++ b/apertium/transfer.cc
@@ -375,7 +375,7 @@ Transfer::evalString(xmlNode *element)
       case ti_clip_sl:
         if(checkIndex(element, ti.getPos(), lword))
         {
-          if(gettingLemmaFromWord(ti.getContent()))
+          if(gettingLemmaFromWord(ti.getContent()) && lword > 1)
           {
             if(in_lu)
             {
@@ -394,7 +394,7 @@ Transfer::evalString(xmlNode *element)
       case ti_clip_tl:
         if(checkIndex(element, ti.getPos(), lword))
         {
-          if(gettingLemmaFromWord(ti.getContent()))
+          if(gettingLemmaFromWord(ti.getContent()) && lword > 1)
           {
             if(in_lu)
             {
@@ -460,7 +460,10 @@ Transfer::evalString(xmlNode *element)
         break;
 
       case ti_var:
-        out_wblank = combineWblanks(out_wblank, var_out_wblank[ti.getContent()]);
+        if(lword > 1)
+        {
+          out_wblank = combineWblanks(out_wblank, var_out_wblank[ti.getContent()]);
+        }
         return variables[ti.getContent()];
 
       case ti_lit_tag:
@@ -674,6 +677,11 @@ Transfer::evalString(xmlNode *element)
     }
     
     in_lu = false;
+    
+    if(lword == 1)
+    {
+      out_wblank = word[0]->blank();
+    }
       
     if(myword != "")
     {
@@ -728,6 +736,11 @@ Transfer::evalString(xmlNode *element)
       }
     }
 
+    if(lword == 1)
+    {
+      out_wblank = word[0]->blank();
+    }
+    
     if(value != "")
     {
       return out_wblank+"^"+value+"$";
@@ -774,6 +787,11 @@ Transfer::processOut(xmlNode *localroot)
           }
             
           in_lu = false;
+          
+          if(lword == 1)
+          {
+            out_wblank = word[0]->blank();
+          }
 
           if(myword != "")
           {
@@ -825,6 +843,11 @@ Transfer::processOut(xmlNode *localroot)
             }
           }
           
+          if(lword == 1)
+          {
+            out_wblank = word[0]->blank();
+          }
+          
           if(myword != "")
           {
             fputws_unlocked(UtfConverter::fromUtf8(out_wblank).c_str(), output);
@@ -933,7 +956,13 @@ Transfer::processChunk(xmlNode *localroot)
             myword.append(evalString(j));
           }
         }
-          in_lu = false;
+        
+        in_lu = false;
+        
+        if(lword == 1)
+        {
+          out_wblank = word[0]->blank();
+        }
           
         if(myword != "")
         {
@@ -981,6 +1010,12 @@ Transfer::processChunk(xmlNode *localroot)
           }
           myword.append(mylocalword);
         }
+        
+        if(lword == 1)
+        {
+          out_wblank = word[0]->blank();
+        }
+        
         if(myword != "")
         {
           result.append(out_wblank);