Update the feature identifier r5rs to r7rs

Signed-off-by: yamacir-kit <[email protected]>

README.md

@@ -99,7 +99,7 @@ Procedures for each standard are provided by the following R7RS-style libraries:
 cmake -B build -DCMAKE_BUILD_TYPE=Release
 cd build
 make package
-sudo apt install build/meevax_0.4.825_amd64.deb
+sudo apt install build/meevax_0.4.826_amd64.deb
 ```
 
 or
@@ -131,9 +131,9 @@ sudo rm -rf /usr/local/share/meevax
 
 | Target Name | Description
 |-------------|-------------
-| `all` | Build shared-library `libmeevax.0.4.825.so` and executable `meevax`
+| `all` | Build shared-library `libmeevax.0.4.826.so` and executable `meevax`
 | `test` | Test executable `meevax`
-| `package` | Generate debian package `meevax_0.4.825_amd64.deb`
+| `package` | Generate debian package `meevax_0.4.826_amd64.deb`
 | `install` | Copy files into `/usr/local` directly
 
 ## Usage

VERSION

@@ -1 +1 @@
-0.4.825
+0.4.826

configure/version.cpp

@@ -29,7 +29,7 @@ inline namespace kernel
  auto features() -> object const&
  {
  let static const features = list(
- make_symbol("r5rs"),
+ make_symbol("r7rs"),
  make_symbol("exact-closed"),
  make_symbol("exact-complex"),
  make_symbol("ieee-float"),

test/srfi-0.ss

@@ -8,7 +8,7 @@
  (r6rs 'r6rs)
  (r7rs 'r7rs)
  (else 'unknown))
- => 'r5rs)
+ => 'r7rs)
 
 (check (cond-expand
  ((library (scheme base)) 'supported)
@@ -26,9 +26,9 @@
  => 'standard)
 
 (check (cond-expand
- ((not r5rs) 'not-r5rs)
- (else 'r5rs))
- => 'r5rs)
+ ((not r7rs) 'not-r7rs)
+ (else 'r7rs))
+ => 'r7rs)
 
 (check (cond-expand
  ((and (library (scheme base))