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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.747
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.747
+Problem:    When characters are concealed text aligned with tabs are no longer
+	    aligned, e.g. at ":help :index".
+Solution:   Compensate space for tabs for concealed characters. (Dominique
+	    Pelle)
+Files:	    src/screen.c
+
+
+*** ../vim-7.3.746/src/screen.c	2012-10-03 18:24:55.000000000 +0200
+--- src/screen.c	2012-12-05 15:22:03.000000000 +0100
+***************
+*** 4269,4275 ****
+  		{
+  		    /* tab amount depends on current column */
+  		    n_extra = (int)wp->w_buffer->b_p_ts
+! 				   - VCOL_HLC % (int)wp->w_buffer->b_p_ts - 1;
+  #ifdef FEAT_MBYTE
+  		    mb_utf8 = FALSE;	/* don't draw as UTF-8 */
+  #endif
+--- 4269,4288 ----
+  		{
+  		    /* tab amount depends on current column */
+  		    n_extra = (int)wp->w_buffer->b_p_ts
+! 					- vcol % (int)wp->w_buffer->b_p_ts - 1;
+! #ifdef FEAT_CONCEAL
+! 		    /* Tab alignment should be identical regardless of
+! 		     * 'conceallevel' value. So tab compensates of all
+! 		     * previous concealed characters, and thus resets vcol_off
+! 		     * and boguscols accumulated so far in the line. Note that
+! 		     * the tab can be longer than 'tabstop' when there
+! 		     * are concealed characters. */
+! 		    n_extra += vcol_off;
+! 		    vcol -= vcol_off;
+! 		    vcol_off = 0;
+! 		    col -= boguscols;
+! 		    boguscols = 0;
+! #endif
+  #ifdef FEAT_MBYTE
+  		    mb_utf8 = FALSE;	/* don't draw as UTF-8 */
+  #endif
+*** ../vim-7.3.746/src/version.c	2012-12-05 15:16:42.000000000 +0100
+--- src/version.c	2012-12-05 15:22:27.000000000 +0100
+***************
+*** 727,728 ****
+--- 727,730 ----
+  {   /* Add new patch number below this line */
++ /**/
++     747,
+  /**/
+
+-- 
+hundred-and-one symptoms of being an internet addict:
+99. The hum of a cooling fan and the click of keys is comforting to you.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///