Partial fix for #12605

The equation number is now correctly generated when using
\ref in \tag, but if equations are numbered within sections,
the \tag'ed equations in the first sections are numbered wrongly.

However, I think this is a preview.sty bug not a lyx one.

diff --git a/lib/scripts/lyxpreview_tools.py b/lib/scripts/lyxpreview_tools.py
index cca359e7c42ea470e2b31cad7f25e98f618e3883..1a6b1c1f7fdfb23ef28122a0708aa9fb166b7985 100644 (file)
--- a/lib/scripts/lyxpreview_tools.py
+++ b/lib/scripts/lyxpreview_tools.py
@@ -293,7 +293,7 @@ def run_latex(latex, latex_file, bibtex = None):
         latex_status, latex_stdout = run_tex(latex, latex_file)
     # Rerun latex if necessary
     progress("Checking if a latex rerun is necessary")
-    if string_in_file("Warning: Citation", log_file):
+    if string_in_file("Warning: (Citation|Reference)", log_file):
         latex_status, latex_stdout = run_tex(latex, latex_file)
 
     return latex_status, latex_stdout
@@ -312,9 +312,10 @@ def run_tex(tex, tex_file):
 def string_in_file(string, infile):
     if not os.path.isfile(infile):
         return False
+    string_re = re.compile(string.encode())
     f = open(infile, 'rb')
     for line in f.readlines():
-        if string.encode() in line:
+        if string_re.search(line):
             f.close()
             return True
     f.close()