--- /tmp/gcc-11-11.2.0-1375n3fn_w/debian/libstdc++-11-doc_11.2.0-13_all.deb
+++ libstdc++-11-doc_11.2.0-13_all.deb
├── file list
│ @@ -1,3 +1,3 @@
│  -rw-r--r--   0        0        0        4 2021-12-16 01:30:21.000000 debian-binary
│ --rw-r--r--   0        0        0   182216 2021-12-16 01:30:21.000000 control.tar.xz
│ --rw-r--r--   0        0        0  9372448 2021-12-16 01:30:21.000000 data.tar.xz
│ +-rw-r--r--   0        0        0   182384 2021-12-16 01:30:21.000000 control.tar.xz
│ +-rw-r--r--   0        0        0  9372084 2021-12-16 01:30:21.000000 data.tar.xz
├── control.tar.xz
│ ├── control.tar
│ │ ├── ./md5sums
│ │ │ ├── ./md5sums
│ │ │ │┄ Files differ
├── data.tar.xz
│ ├── data.tar
│ │ ├── ./usr/share/doc/gcc-11-base/libstdc++/user/_formulas.log.gz
│ │ │ ├── _formulas.log
│ │ │ │ @@ -1,8 +1,8 @@
│ │ │ │ -This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2022/dev/Debian) (preloaded format=latex 2021.12.16)  16 DEC 2021 03:53
│ │ │ │ +This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2022/dev/Debian) (preloaded format=latex 2021.12.23)  23 DEC 2021 19:28
│ │ │ │  entering extended mode
│ │ │ │   restricted \write18 enabled.
│ │ │ │   %&-line parsing enabled.
│ │ │ │  **_formulas.tex
│ │ │ │  (./_formulas.tex
│ │ │ │  LaTeX2e <2021-11-15>
│ │ │ │  L3 programming layer <2021-11-22>
│ │ ├── ./usr/share/doc/gcc-11-base/libstdc++/user/index.html
│ │ │ @@ -20,15 +20,15 @@
│ │ │       Tags actually work like they're supposed to in HTML.
│ │ │  -->
│ │ │  
│ │ │  <h1>libstdc++ Source Documentation</h1>
│ │ │  
│ │ │  <h2>Documentation Overview</h2>
│ │ │  
│ │ │ -<p class="smallertext">Generated on 2021-12-16.</p>
│ │ │ +<p class="smallertext">Generated on 2021-12-23.</p>
│ │ │  
│ │ │  <p>There are two types of documentation for libstdc++.  One is the
│ │ │     distribution documentation, which can be read
│ │ │     <a href="../index.html">offline in the documentation directory</a>
│ │ │     or
│ │ │     <a href="https://gcc.gnu.org/onlinedocs/libstdc++/index.html">online</a>.
│ │ │  </p>