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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.605
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.605
+Problem: The # register is not writable, it cannot be restored after
+ jumping around.
+Solution: Make the # register writable. (Marcin Szamotulski)
+Files: runtime/doc/change.txt, src/ops.c, src/buffer.c, src/globals.h
+
+
+*** ../vim-7.4.604/runtime/doc/change.txt 2014-03-25 18:23:27.046087691 +0100
+--- runtime/doc/change.txt 2015-01-27 18:41:27.840005417 +0100
+***************
+*** 1100,1110 ****
+ 2. 10 numbered registers "0 to "9
+ 3. The small delete register "-
+ 4. 26 named registers "a to "z or "A to "Z
+! 5. four read-only registers ":, "., "% and "#
+! 6. the expression register "=
+! 7. The selection and drop registers "*, "+ and "~
+! 8. The black hole register "_
+! 9. Last search pattern register "/
+
+ 1. Unnamed register "" *quote_quote* *quotequote*
+ Vim fills this register with text deleted with the "d", "c", "s", "x" commands
+--- 1103,1114 ----
+ 2. 10 numbered registers "0 to "9
+ 3. The small delete register "-
+ 4. 26 named registers "a to "z or "A to "Z
+! 5. three read-only registers ":, "., "%
+! 7. alternate buffer register "#
+! 7. the expression register "=
+! 8. The selection and drop registers "*, "+ and "~
+! 9. The black hole register "_
+! 10. Last search pattern register "/
+
+ 1. Unnamed register "" *quote_quote* *quotequote*
+ Vim fills this register with text deleted with the "d", "c", "s", "x" commands
+***************
+*** 1131,1136 ****
+--- 1135,1142 ----
+ made for the delete operator with these movement commands: |%|, |(|, |)|, |`|,
+ |/|, |?|, |n|, |N|, |{| and |}|. Register "1 is always used then (this is Vi
+ compatible). The "- register is used as well if the delete is within a line.
++ Note that these characters may be mapped. E.g. |%| is mapped by the matchit
++ plugin.
+ With each successive deletion or change, Vim shifts the previous contents
+ of register 1 into register 2, 2 into 3, and so forth, losing the previous
+ contents of register 9.
+***************
+*** 1148,1154 ****
+ to their previous contents. When the '>' flag is present in 'cpoptions' then
+ a line break is inserted before the appended text.
+
+! 5. Read-only registers ":, "., "% and "#
+ These are '%', '#', ':' and '.'. You can use them only with the "p", "P",
+ and ":put" commands and with CTRL-R. {not in Vi}
+ *quote_.* *quote.* *E29*
+--- 1154,1160 ----
+ to their previous contents. When the '>' flag is present in 'cpoptions' then
+ a line break is inserted before the appended text.
+
+! 5. Read-only registers ":, ". and "%
+ These are '%', '#', ':' and '.'. You can use them only with the "p", "P",
+ and ":put" commands and with CTRL-R. {not in Vi}
+ *quote_.* *quote.* *E29*
+***************
+*** 1159,1166 ****
+ ('textwidth' and other options affect what is inserted).
+ *quote_%* *quote%*
+ "% Contains the name of the current file.
+- *quote_#* *quote#*
+- "# Contains the name of the alternate file.
+ *quote_:* *quote:* *E30*
+ ": Contains the most recent executed command-line. Example: Use
+ "@:" to repeat the previous command-line command.
+--- 1165,1170 ----
+***************
+*** 1169,1176 ****
+ the command was completely from a mapping.
+ {not available when compiled without the |+cmdline_hist|
+ feature}
+
+! 6. Expression register "= *quote_=* *quote=* *@=*
+ This is not really a register that stores text, but is a way to use an
+ expression in commands which use a register. The expression register is
+ read-only; you cannot put text into it. After the '=', the cursor moves to
+--- 1173,1195 ----
+ the command was completely from a mapping.
+ {not available when compiled without the |+cmdline_hist|
+ feature}
++ *quote_#* *quote#*
++ 6. Alternate file register "#
++ Contains the name of the alternate file for the current window. It will
++ change how the |CTRL-^| command works.
++ This register is writable, mainly to allow for restoring it after a plugin has
++ changed it. It accepts buffer number: >
++ let altbuf = bufnr(@#)
++ ...
++ let @# = altbuf
++ It will give error |E86| if you pass buffer number and this buffer does not
++ exist.
++ It can also accept a match with an existing buffer name: >
++ let @# = 'buffer_name'
++ Error |E93| if there is more than one buffer matching the given name or |E94|
++ if none of buffers matches the given name.
+
+! 7. Expression register "= *quote_=* *quote=* *@=*
+ This is not really a register that stores text, but is a way to use an
+ expression in commands which use a register. The expression register is
+ read-only; you cannot put text into it. After the '=', the cursor moves to
+***************
+*** 1191,1197 ****
+ characters. If the String ends in a <NL>, it is regarded as a linewise
+ register. {not in Vi}
+
+! 7. Selection and drop registers "*, "+ and "~
+ Use these registers for storing and retrieving the selected text for the GUI.
+ See |quotestar| and |quoteplus|. When the clipboard is not available or not
+ working, the unnamed register is used instead. For Unix systems the clipboard
+--- 1210,1216 ----
+ characters. If the String ends in a <NL>, it is regarded as a linewise
+ register. {not in Vi}
+
+! 8. Selection and drop registers "*, "+ and "~
+ Use these registers for storing and retrieving the selected text for the GUI.
+ See |quotestar| and |quoteplus|. When the clipboard is not available or not
+ working, the unnamed register is used instead. For Unix systems the clipboard
+***************
+*** 1213,1224 ****
+ Note: The "~ register is only used when dropping plain text onto Vim.
+ Drag'n'drop of URI lists is handled internally.
+
+! 8. Black hole register "_ *quote_*
+ When writing to this register, nothing happens. This can be used to delete
+ text without affecting the normal registers. When reading from this register,
+ nothing is returned. {not in Vi}
+
+! 9. Last search pattern register "/ *quote_/* *quote/*
+ Contains the most recent search-pattern. This is used for "n" and 'hlsearch'.
+ It is writable with `:let`, you can change it to have 'hlsearch' highlight
+ other matches without actually searching. You can't yank or delete into this
+--- 1232,1243 ----
+ Note: The "~ register is only used when dropping plain text onto Vim.
+ Drag'n'drop of URI lists is handled internally.
+
+! 9. Black hole register "_ *quote_*
+ When writing to this register, nothing happens. This can be used to delete
+ text without affecting the normal registers. When reading from this register,
+ nothing is returned. {not in Vi}
+
+! 10. Last search pattern register "/ *quote_/* *quote/*
+ Contains the most recent search-pattern. This is used for "n" and 'hlsearch'.
+ It is writable with `:let`, you can change it to have 'hlsearch' highlight
+ other matches without actually searching. You can't yank or delete into this
+*** ../vim-7.4.604/src/ops.c 2015-01-27 13:22:17.176885347 +0100
+--- src/ops.c 2015-01-27 18:33:06.813476985 +0100
+***************
+*** 856,866 ****
+ if ( (regname > 0 && ASCII_ISALNUM(regname))
+ || (!writing && vim_strchr((char_u *)
+ #ifdef FEAT_EVAL
+! "/.%#:="
+ #else
+! "/.%#:"
+ #endif
+ , regname) != NULL)
+ || regname == '"'
+ || regname == '-'
+ || regname == '_'
+--- 856,867 ----
+ if ( (regname > 0 && ASCII_ISALNUM(regname))
+ || (!writing && vim_strchr((char_u *)
+ #ifdef FEAT_EVAL
+! "/.%:="
+ #else
+! "/.%:"
+ #endif
+ , regname) != NULL)
++ || regname == '#'
+ || regname == '"'
+ || regname == '-'
+ || regname == '_'
+***************
+*** 6514,6519 ****
+--- 6515,6541 ----
+ return;
+ }
+
++ if (name == '#')
++ {
++ buf_T *buf;
++
++ if (VIM_ISDIGIT(*str))
++ {
++ int num = atoi((char *)str);
++
++ buf = buflist_findnr(num);
++ if (buf == NULL)
++ EMSGN(_(e_nobufnr), (long)num);
++ }
++ else
++ buf = buflist_findnr(buflist_findpat(str, str + STRLEN(str),
++ TRUE, FALSE, FALSE));
++ if (buf == NULL)
++ return;
++ curwin->w_alt_fnum = buf->b_fnum;
++ return;
++ }
++
+ #ifdef FEAT_EVAL
+ if (name == '=')
+ {
+*** ../vim-7.4.604/src/buffer.c 2015-01-07 13:31:48.886661739 +0100
+--- src/buffer.c 2015-01-27 18:19:29.334392632 +0100
+***************
+*** 1150,1156 ****
+ {
+ /* don't warn when deleting */
+ if (!unload)
+! EMSGN(_("E86: Buffer %ld does not exist"), count);
+ }
+ else if (dir == FORWARD)
+ EMSG(_("E87: Cannot go beyond last buffer"));
+--- 1150,1156 ----
+ {
+ /* don't warn when deleting */
+ if (!unload)
+! EMSGN(_(e_nobufnr), count);
+ }
+ else if (dir == FORWARD)
+ EMSG(_("E87: Cannot go beyond last buffer"));
+*** ../vim-7.4.604/src/globals.h 2015-01-14 12:44:38.407422077 +0100
+--- src/globals.h 2015-01-27 18:19:24.294447531 +0100
+***************
+*** 1571,1576 ****
+--- 1571,1577 ----
+ EXTERN char_u e_intern2[] INIT(= N_("E685: Internal error: %s"));
+ EXTERN char_u e_maxmempat[] INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
+ EXTERN char_u e_emptybuf[] INIT(= N_("E749: empty buffer"));
++ EXTERN char_u e_nobufnr[] INIT(= N_("E86: Buffer %ld does not exist"));
+
+ #ifdef FEAT_EX_EXTRA
+ EXTERN char_u e_invalpat[] INIT(= N_("E682: Invalid search pattern or delimiter"));
+*** ../vim-7.4.604/src/version.c 2015-01-27 17:11:55.690558815 +0100
+--- src/version.c 2015-01-27 17:15:24.132287083 +0100
+***************
+*** 743,744 ****
+--- 743,746 ----
+ { /* Add new patch number below this line */
++ /**/
++ 605,
+ /**/
+
+--
+All true wisdom is found on T-shirts.
+
+ /// 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 ///