patch 8.0.0832: terminal function arguments are not consistent

Problem:    Terminal function arguments are not consistent.
Solution:   Use one-based instead of zero-based rows and cols.  Use "." for
            the current row.

runtime/doc/eval.txt

@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.0.  Last change: 2017 Jul 30
+*eval.txt*	For Vim version 8.0.  Last change: 2017 Aug 01
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1815,7 +1815,7 @@ v:scrollstart	String describing the script or function that caused the
 		hit-enter prompt.
 
 					*v:servername* *servername-variable*
-v:servername	The resulting registered |x11-clientserver| name if any.
+v:servername	The resulting registered |client-server-name| if any.
 		Read-only.
 
 		
@@ -2372,12 +2372,12 @@ tempname()			String	name for a temporary file
 term_getattr({attr}, {what}	Number	get the value of attribute {what}
 term_getcursor({buf})		List	get the cursor position of a terminal
 term_getjob({buf})		Job	get the job associated with a terminal
-term_getline({buf}[, {row}])	String	get a line of text from a terminal
+term_getline({buf}, {row})	String	get a line of text from a terminal
 term_getsize({buf})		List	get the size of a terminal
 term_getstatus({buf})		String	get the status of a terminal
 term_gettitle({buf})		String	get the title of a terminal
 term_list()			List	get the list of terminal buffers
-term_scrape({buf}[, {row}])	List	get row of a terminal screen
+term_scrape({buf}, {row})	List	get row of a terminal screen
 term_sendkeys({buf}, {keys})	none	send keystrokes to a terminal
 term_start({cmd}, {options})	Job	open a terminal window and run a job
 term_wait({buf})		Number  wait for screen to be updated
@@ -7916,8 +7916,9 @@ term_getattr({attr}, {what})				*term_getattr()*
 term_getcursor({buf})					*term_getcursor()*
 		Get the cusor position of terminal {buf}. Returns a list with
 		three numbers: [rows, cols, visible].  "rows" and "cols" are
-		zero based.  "visible" is one when the cursor is visible, zero
+		one based, the first sceen cell is row 1, column 1.
-		when it is hidden.
+		"visible" is one when the cursor is visible, zero when it is
+		hidden.
 		
 		This is the cursor position of the terminal itself, not of the
 		Vim window.
@@ -7930,13 +7931,12 @@ term_getjob({buf})					*term_getjob()*
 		Get the Job associated with terminal window {buf}.
 		{buf} is used as with |term_getsize()|.
 
-term_getline({buf} [, {row}])				*term_getline()*
+term_getline({buf}, {row})				*term_getline()*
 		Get a line of text from the terminal window of {buf}.
 		{buf} is used as with |term_getsize()|.
 
-		The first line has {row} zero.  When {row} is invalid an empty
+		The first line has {row} one.  When {row} "." the cursor line
-		string is returned. When {row} is omitted, the cursor line is
+		is used.  When {row} is invalid an empty string is returned.
-		used.
 
 term_getsize({buf})					*term_getsize()*
 		Get the size of terminal {buf}. Returns a list with two
@@ -7971,12 +7971,12 @@ term_list()						*term_list()*
 		Return a list with the buffer numbers of all buffers for
 		terminal windows.
 
-term_scrape({buf} [, {row}])				*term_scrape()*
+term_scrape({buf}, {row})				*term_scrape()*
 		Get the contents of {row} of terminal screen of {buf}.
 		For {buf} see |term_getsize()|.
 
-		The first {row} is zero.  When {row} is invalid an empty list
+		The first line has {row} one.  When {row} "." the cursor line
-		is returned. When {row} is omitted the cursor line is used.
+		is used.  When {row} is invalid an empty string is returned.
 
 		Return a List containing a Dict for each screen cell: 
 		    "chars"	character(s) at the cell
@@ -8728,6 +8728,7 @@ tag_any_white		Compiled with support for any white characters in tags
 			files |tag-any-white|.
 tcl			Compiled with Tcl interface.
 termguicolors		Compiled with true color in terminal support.
+terminal		Compiled with |terminal| support.
 terminfo		Compiled with terminfo instead of termcap.
 termresponse		Compiled with support for |t_RV| and |v:termresponse|.
 textobjects		Compiled with support for |text-objects|.

src/terminal.c

@@ -36,8 +36,6 @@
  * that buffer, attributes come from the scrollback buffer tl_scrollback.
  *
  * TODO:
- * - Use "." for current line instead of optional argument.
- * - make row and cols one-based instead of zero-based in term_ functions.
  * - Add StatusLineTerm highlighting
  * - in bash mouse clicks are inserting characters.
  * - mouse scroll: when over other window, scroll that window.
@@ -1773,8 +1771,8 @@ f_term_getcursor(typval_T *argvars, typval_T *rettv)
 	return;
 
     l = rettv->vval.v_list;
-    list_append_number(l, buf->b_term->tl_cursor_pos.row);
+    list_append_number(l, buf->b_term->tl_cursor_pos.row + 1);
-    list_append_number(l, buf->b_term->tl_cursor_pos.col);
+    list_append_number(l, buf->b_term->tl_cursor_pos.col + 1);
     list_append_number(l, buf->b_term->tl_cursor_visible);
 }
 
@@ -1796,6 +1794,16 @@ f_term_getjob(typval_T *argvars, typval_T *rettv)
 	++rettv->vval.v_job->jv_refcount;
 }
 
+    static int
+get_row_number(typval_T *tv, term_T *term)
+{
+    if (tv->v_type == VAR_STRING
+	    && tv->vval.v_string != NULL
+	    && STRCMP(tv->vval.v_string, ".") == 0)
+	return term->tl_cursor_pos.row;
+    return (int)get_tv_number(tv) - 1;
+}
+
 /*
  * "term_getline(buf, row)" function
  */
@@ -1810,10 +1818,7 @@ f_term_getline(typval_T *argvars, typval_T *rettv)
     if (buf == NULL)
 	return;
     term = buf->b_term;
-    if (argvars[1].v_type == VAR_UNKNOWN)
+    row = get_row_number(&argvars[1], term);
-	row = term->tl_cursor_pos.row;
-    else
-	row = (int)get_tv_number(&argvars[1]);
 
     if (term->tl_vterm == NULL)
     {
@@ -1944,10 +1949,7 @@ f_term_scrape(typval_T *argvars, typval_T *rettv)
 	screen = vterm_obtain_screen(term->tl_vterm);
 
     l = rettv->vval.v_list;
-    if (argvars[1].v_type == VAR_UNKNOWN)
+    pos.row = get_row_number(&argvars[1], term);
-	pos.row = term->tl_cursor_pos.row;
-    else
-	pos.row = (int)get_tv_number(&argvars[1]);
     for (pos.col = 0; pos.col < term->tl_cols; )
     {
 	dict_T		*dcell;

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    832,
 /**/
     831,
 /**/