change ; over to SPACE

README.md

@@ -93,8 +93,8 @@ X = _0
 Z = _2
 ```
 
-Pressing ; will backtrack through other possible answers, if any exist.
-Pressing . will abort the search and return to the prompt.
+Pressing `SPACE` will backtrack through other possible answers, if any exist.
+Pressing `.` will abort the search and return to the prompt.
 
 Wildcards work as well:
 

src/prolog/io.rs

@@ -433,7 +433,7 @@ pub fn print(wam: &mut Machine, result: EvalSession) {
 
                     for c in stdin.keys() {
                         match c.unwrap() {
-                            Key::Char(';') => {
+                            Key::Char(' ') => {
                                 write!(stdout, " ;\n\r").unwrap();
                                 result = wam.continue_query(&alloc_locs, &mut heap_locs);
                                 break;