Don't relax function calls

TODO

@@ -2,6 +2,7 @@
 
 - Catch exceptions thrown by the argument parser and print them normally.
 - Structs or records.
+- Unions.
 - While loop.
 - Type checking.
 - Calculate additional stack space needed for subexpressions in the allocator
@@ -9,8 +10,9 @@
 - Support immediates greater than 12 bits.
 - It seems instructions are correctly encoded only if the compiler is running
   on a little endian architecture.
-- Pointer.
+- Assignment to a pointer.
 - Static array.
+- Syscalls.
 
 # Shell
 - Persist the history.
@@ -24,7 +26,3 @@
 - Send the word under the cursor to fzf as initial input.
 - Home directory expansion.
 - Show files in the PATH if starting at the beginning of the prompt
-
-## Appearance
-
-- Add a bar with additional information under the prompt (edit_bar), like the hostname.