Merge from origin/emacs-25

cf9e174 Document the optional zlib library in MS-Windows builds
84eb144 ; * admin/notes/unicode: Mention BidiCharacterTest.txt.
73c67dd Fix tagging of DEFUN by etags
ea1960b Avoid resetting track-mouse by mouse clicks
505fef3 Improve nt/README.W32 instructions
1229cc4 Document that desktop file overrides frame parameters
f0eb70d ; Update ChangeLog.2 and ldef-boot.el for Emacs 25.1 release

# Conflicts:
#	ChangeLog.2
#	admin/notes/unicode
#	lisp/ldefs-boot.el

1 files changed, 16 insertions, 2 deletions

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 3620b0fd321..a81b46d2e07 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -3595,13 +3595,27 @@ C_entries (int c_ext, FILE *inf)
 			      int off = tokoff;
 			      int len = toklen;
 
-			      /* Rewrite the tag so that emacs lisp DEFUNs
-				 can be found by their elisp name */
 			      if (defun)
 				{
 				  off += 1;
 				  len -= 1;
+
+				  /* First, tag it as its C name */
+				  linebuffer_setlen (&token_name, toklen);
+				  memcpy (token_name.buffer,
+					  newlb.buffer + tokoff, toklen);
+				  token_name.buffer[toklen] = '\0';
+				  token.named = true;
+				  token.lineno = lineno;
+				  token.offset = tokoff;
+				  token.length = toklen;
+				  token.line = newlb.buffer;
+				  token.linepos = newlinepos;
+				  token.valid = true;
+				  make_C_tag (funorvar);
 				}
+			      /* Rewrite the tag so that emacs lisp DEFUNs
+				 can be found also by their elisp name */
 			      linebuffer_setlen (&token_name, len);
 			      memcpy (token_name.buffer,
 				      newlb.buffer + off, len);