parliamentary: record IPI PAN's answer on the Sejm Library documents (v2#54)

data/parliamentary/parliamentary.md

@@ -30,7 +30,9 @@ here: `sejm_api`, `sejm_committee_transcripts` and `sejm_interpellations` cover
   IPI PAN's PPC page states that the parliamentary data is public domain. Asked for its basis, IPI
   PAN answered (e-mail, 2026-10-07) that it is public information made available by statute (the
   Open Data Act and the Access to Public Information Act), with no agreement with the
-  Chancelleries. Record license: `public-domain (official documents)`. No Creative Commons grant is
+  Chancelleries. Asked whether the documents it received from the Sejm Library (Biblioteka
+  Sejmowa) came with conditions or limits on further use, IPI PAN answered (e-mail, 2026-10-08)
+  that they were handed over without further restrictions. Record license: `public-domain (official documents)`. No Creative Commons grant is
   claimed for the text. Not lawyer-signed-off; whether statements of guests at sittings are
   official documents under art. 4(2) is open (polish-dynaword-v2#54), so they are left out.
 

src/sources.py

@@ -292,7 +292,9 @@ SOURCES = {
                       "IPI PAN states its own basis as public information made "
                       "available by statute (Open Data Act, Access to Public "
                       "Information Act), with no agreement with the Chancelleries "
-                      "(e-mail, 2026-10-07). The rules read the printed role label, "
+                      "(e-mail, 2026-10-07), and says the documents it received from the "
+                      "Sejm Library came without further restrictions (e-mail, "
+                      "2026-10-08). The rules read the printed role label, "
                       "not the person. Role table: data/parliamentary/"
                       "parliamentary.speaker-roles.csv.",
         "upstream": "http://clip.ipipan.waw.pl/PPC",