From c109e559cb9dabc245fe437bb422b1298979d7e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Gr=C3=BCninger?= <foss@grueninger.de>
Date: Sat, 17 Jan 2026 22:54:32 +0100
Subject: [PATCH 1/3] Don't split whitespace with rsc_print_we = true

Otherwise a tab might be unintentionally broken into spaces.
---
 print.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/print.c b/print.c
index 795c20e0..2360080f 100644
--- a/print.c
+++ b/print.c
@@ -449,11 +449,13 @@ static void print_equation(pre, lhs, rhs, align, fct)/*			     */
   else if ( rsc_print_we && column > align - 2 )   /*                        */
   { PUTC(' '); }				   /*                        */
   else if ( rsc_eq_right )			   /*                        */
-  { indent(align - (rsc_print_we ? 3: align_auto? 1 : 2), fct); }/*	     */
+  { indent(align - ((rsc_print_we || !align_auto) ? 2 : 1), fct); }/*	     */
   else if ( column < align || rsc_print_we )	   /*                        */
   { PUTC(' '); }	   			   /*                        */
 						   /*			     */
-  PUTS(rsc_print_we ? " = " : "=");		   /*                        */
+  PUTC('=');		   			   /*                        */
+  if ( rsc_print_we && column > align )
+  { PUTC(' '); }	   			   /*                        */
   line_breaking(SymbolValue(rhs), align, fct);     /*			     */
 }						   /*------------------------*/
 

From cc2e8c26d53c7ab1d09de1d826377f7f14ad4758 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Gr=C3=BCninger?= <foss@grueninger.de>
Date: Sun, 18 Jan 2026 11:01:23 +0100
Subject: [PATCH 2/3] Revert changed default of print.wide.equal / rsc_print_we

Commited unintentional.
---
 include/bibtool/resource.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/bibtool/resource.h b/include/bibtool/resource.h
index 1fc6724d..660b9d4e 100644
--- a/include/bibtool/resource.h
+++ b/include/bibtool/resource.h
@@ -149,7 +149,7 @@ RSC_NEXT('p')
   RscBoolean( "print.parentheses"     , r_pp  ,rsc_parentheses	  , false   )
   RscBoolean( "print.terminal.comma"  , r_ptc ,rsc_print_tc	  , false   )
   RscBoolean( "print.use.tab"	      , r_put ,rsc_use_tabs	  ,  true   )
-  RscBoolean( "print.wide.equal"      , r_pwe ,rsc_print_we	  ,  true   )
+  RscBoolean( "print.wide.equal"      , r_pwe ,rsc_print_we	  , false   )
 RSC_NEXT('q')
   RscBoolean( "quiet"		      , r_q   ,rsc_quiet	  , false   )
 RSC_NEXT('r')

From e901d1ee4384b0e73944ba788e8de7b719119b07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Gr=C3=BCninger?= <foss@grueninger.de>
Date: Sat, 10 Jan 2026 00:19:32 +0100
Subject: [PATCH 3/3] [ci] Build and test on Windows, too

---
 .github/workflows/build-test.yml | 23 ++++++++++++++++++++++-
 include/bibtool/rsc.h            |  2 +-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 55ca4339..5f892a7f 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -7,7 +7,7 @@ on:
     branches: [ master ]
 
 jobs:
-  build:
+  test-ubuntu-gcc:
 
     runs-on: ubuntu-latest
 
@@ -19,3 +19,24 @@ jobs:
       run: make
     - name: make test
       run: make test
+
+  test-windows-msys2-UCRT64:
+
+    runs-on: windows-latest
+
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+    - uses: msys2/setup-msys2@v2
+      with:
+        msystem: UCRT64
+        install: make mingw-w64-ucrt-x86_64-gcc
+    - uses: actions/checkout@v6
+    - name: configure
+      run: ./configure
+    - name: make
+      run: make
+    - name: make test
+      run: make test
diff --git a/include/bibtool/rsc.h b/include/bibtool/rsc.h
index 1dac9687..4fc580a9 100644
--- a/include/bibtool/rsc.h
+++ b/include/bibtool/rsc.h
@@ -33,7 +33,7 @@
 ******************************************************************************/
 
 #include <bibtool/symbols.h>
-
+#warning ##RSC_BIBTOOL_DEFAULT
 #ifdef RSC_INIT
 #define RscNumeric(SYM,S,V,I) int    V = I;
 #define RscString(SYM,S,V,I)  String V = (String)I;