From 88882c61126de9f2900d53a8a7a3989865a33b17 Mon Sep 17 00:00:00 2001
From: Oscar Arbelaez <oscar@arbelaez.dev>
Date: Sat, 15 Mar 2025 12:37:49 +0000
Subject: [PATCH 1/2] Allow null multiple times at the beginning of a line

---
 src/bibx/builders/wos.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bibx/builders/wos.py b/src/bibx/builders/wos.py
index bcd40fb..43273ac 100644
--- a/src/bibx/builders/wos.py
+++ b/src/bibx/builders/wos.py
@@ -61,7 +61,7 @@ class WosCollectionBuilder(CollectionBuilder):
     """Builder for collections of articles from Web of Science (WoS) ISI files."""
 
     ISI_LINE_PATTERN = re.compile(
-        r"^(null|.)?((?P<field>[A-Z0-9]{2})|  )( (?P<value>.*))?$"
+        r"^((null)+|.)?((?P<field>[A-Z0-9]{2})|  )( (?P<value>.*))?$"
     )
     ISI_CITATION_PATTERN = re.compile(
         r"""^(?P<AU>[^,]+),[ ]          # First author

From 0f4644a1ad71d7dbdf3b6fb5c4e20db2f04fa528 Mon Sep 17 00:00:00 2001
From: Oscar Arbelaez <oscar@arbelaez.dev>
Date: Sat, 15 Mar 2025 12:39:14 +0000
Subject: [PATCH 2/2] Update version

---
 src/bibx/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bibx/__init__.py b/src/bibx/__init__.py
index 1a64d3e..4b8d583 100644
--- a/src/bibx/__init__.py
+++ b/src/bibx/__init__.py
@@ -28,7 +28,7 @@
     "read_wos",
 ]
 
-__version__ = "0.6.2"
+__version__ = "0.6.3"
 
 
 def query_openalex(