Dear Bram, This patch makes "# register writeable - which is present in the todo file.
Best regards, Marcin -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index de340ec..0a45f22 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1103,11 +1103,12 @@ There are nine types of registers: *registers* *E354*
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 "/
+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
@@ -1164,8 +1165,6 @@ and ":put" commands and with CTRL-R. {not in Vi}
('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.
@@ -1174,8 +1173,18 @@ and ":put" commands and with CTRL-R. {not in Vi}
the command was completely from a mapping.
{not available when compiled without the |+cmdline_hist|
feature}
-
-6. Expression register "= *quote_=* *quote=* *@=*
+ *quote_#* *quote#*
+6. Alternate file register "#
+Contains the name of the alternate file for the current window. This register
+is writeble. It accepts buffer name or buffer number. >
+ let @# = bufnr('buffer_name')
+ let @# = 'buffer_name'
+It will change how the |CTRL-^| command works. It will emit |E86| if you pass
+buffer number and such buffer does not exist or |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
@@ -1196,7 +1205,7 @@ If the "= register is used for the "p" command, the String is split up at <NL>
characters. If the String ends in a <NL>, it is regarded as a linewise
register. {not in Vi}
-7. Selection and drop registers "*, "+ and "~
+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
@@ -1218,12 +1227,12 @@ GTK GUI}
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_*
+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}
-9. Last search pattern register "/ *quote_/* *quote/*
+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
diff --git a/src/ops.c b/src/ops.c
index 0c3d11b..d2c8b94 100644
--- a/src/ops.c
+++ b/src/ops.c
@@ -856,11 +856,12 @@ valid_yank_reg(regname, writing)
if ( (regname > 0 && ASCII_ISALNUM(regname))
|| (!writing && vim_strchr((char_u *)
#ifdef FEAT_EVAL
- "/.%#:="
+ "/.%:="
#else
- "/.%#:"
+ "/.%:"
#endif
, regname) != NULL)
+ || regname == '#'
|| regname == '"'
|| regname == '-'
|| regname == '_'
@@ -6516,6 +6517,31 @@ write_reg_contents_ex(name, str, maxlen, must_append, yank_type, block_len)
return;
}
+ if (name == '#')
+ {
+ buf_T *buf;
+ if ((VIM_ISDIGIT(*str)))
+ {
+ int num = atoi(str);
+ buf = buflist_findnr(num);
+ if (buf == NULL)
+ {
+ EMSGN(_("E86: Buffer %ld does not exist"), num);
+ return;
+ }
+ }
+ 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 == '=')
{
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