runtime(doc): Clean up minor formatting issues for builtin functions

closes: #15966

Signed-off-by: Yee Cheng Chin <[email protected]>
Signed-off-by: Christian Brabandt <[email protected]>

Author: ychin

runtime/doc/builtin.txt

@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.1.  Last change: 2024 Oct 16
+*builtin.txt*	For Vim version 9.1.  Last change: 2024 Oct 31
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -4836,7 +4836,7 @@ getregion({pos1}, {pos2} [, {opts}])			*getregion()*
 <
 		Return type: list<string>
 
-<
+
 getregionpos({pos1}, {pos2} [, {opts}])            *getregionpos()*
 		Same as |getregion()|, but returns a list of positions
 		describing the buffer text segments bound by {pos1} and
@@ -4893,6 +4893,7 @@ getregtype([{regname}])					*getregtype()*
 <
 		Return type: |String|
 
+
 getscriptinfo([{opts}])					*getscriptinfo()*
 		Returns a |List| with information about all the sourced Vim
 		scripts in the order they were sourced, like what