fix doi check

ustctug · Apr 18, 2018 · 2a472d5 · 2a472d5
1 parent d44b6a3
commit 2a472d5
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Showing 4 changed files with 8 additions and 8 deletions.
diff --git a/ustcauthoryear.bst b/ustcauthoryear.bst
@@ -463,15 +463,15 @@ FUNCTION {format.doi}
         { t empty$ not}
         { t #1 #1 substring$ 'tmp.str :=
           tmp.str "," = tmp.str " " = or
-            { s is.doi.in.url not
+            { s empty$ s is.doi.in.url or
+                'skip$
                 { numnames #1 + 'numnames :=
                   numnames #1 >
                     { ", " * }
                     { "DOI: " * }
                   if$
                   "\doi{" s * "}" * *
                 }
-                'skip$
               if$
               "" 's :=
             }

diff --git a/ustcbachelor.bst b/ustcbachelor.bst
@@ -462,15 +462,15 @@ FUNCTION {format.doi}
         { t empty$ not}
         { t #1 #1 substring$ 'tmp.str :=
           tmp.str "," = tmp.str " " = or
-            { s is.doi.in.url not
+            { s empty$ s is.doi.in.url or
+                'skip$
                 { numnames #1 + 'numnames :=
                   numnames #1 >
                     { ", " * }
                     { "DOI: " * }
                   if$
                   "\doi{" s * "}" * *
                 }
-                'skip$
               if$
               "" 's :=
             }

diff --git a/ustcnumerical.bst b/ustcnumerical.bst
@@ -463,15 +463,15 @@ FUNCTION {format.doi}
         { t empty$ not}
         { t #1 #1 substring$ 'tmp.str :=
           tmp.str "," = tmp.str " " = or
-            { s is.doi.in.url not
+            { s empty$ s is.doi.in.url or
+                'skip$
                 { numnames #1 + 'numnames :=
                   numnames #1 >
                     { ", " * }
                     { "DOI: " * }
                   if$
                   "\doi{" s * "}" * *
                 }
-                'skip$
               if$
               "" 's :=
             }

diff --git a/ustcthesis.dtx b/ustcthesis.dtx
@@ -2643,15 +2643,15 @@ FUNCTION {format.doi}
         { t empty$ not}
         { t #1 #1 substring$ 'tmp.str :=
           tmp.str "," = tmp.str " " = or
-            { s is.doi.in.url not
+            { s empty$ s is.doi.in.url or
+                'skip$
                 { numnames #1 + 'numnames :=
                   numnames #1 >
                     { ", " * }
                     { "DOI: " * }
                   if$
                   "\doi{" s * "}" * *
                 }
-                'skip$
               if$
               "" 's :=
             }