Improve documentation

The Cosmo API documentation page is pretty good now
https://justine.lol/cosmopolitan/documentation.html

libc/stdio/fscanf.c

@@ -25,9 +25,9 @@
  *
  * To read a line of data from a well-formed trustworthy file:
  *
- *   int x, y;
- *   char text[256];
- *   fscanf(f, "%d %d %s\n", &x, &y, text);
+ *     int x, y;
+ *     char text[256];
+ *     fscanf(f, "%d %d %s\n", &x, &y, text);
  *
  * Please note that this function is brittle by default, which makes it
  * a good fit for yolo coding. With some toil it can be used in a way

libc/stdio/g_stdbuf.c

@@ -19,5 +19,5 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/stdio/internal.h"
 
-_Alignas(PAGESIZE) unsigned char g_stdoutbuf[BUFSIZ];
-_Alignas(PAGESIZE) unsigned char g_stderrbuf[BUFSIZ];
+unsigned char g_stdoutbuf[BUFSIZ] hidden;
+unsigned char g_stderrbuf[BUFSIZ] hidden;

libc/stdio/g_stdio.c

@@ -19,4 +19,4 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/stdio/internal.h"
 
-FILE g_stdio[3];
+hidden FILE g_stdio[3];

libc/stdio/printf.c

@@ -25,39 +25,39 @@
  * Cosmopolitan supports most of the standard formatting behaviors
  * described by `man 3 printf`, in addition to the following:
  *
- * - %jd, %jx, etc. are {,u}intmax_t which in Cosmopolitan is 128-bit.
+ * - `%jd`, `%jx`, etc. are {,u}intmax_t which in Cosmopolitan is 128-bit.
  *
- * - %'d or %,d may be used to insert thousands separators. The prior is
+ * - `%'d` or `%,d` may be used to insert thousands separators. The prior is
  *   consistent with C; the latter is consistent with Python.
  *
- * - %m inserts strerror(errno) into the formatted output. This is
+ * - `%m` inserts strerror(errno) into the formatted output. This is
  *   consistent with glibc, musl, and uclibc.
  *
- * - %n inserts "\n" on non-Windows and "\r\n" on Windows. This is the
+ * - `%n` inserts "\n" on non-Windows and "\r\n" on Windows. This is the
  *   same behavior as Java. It's incompatible with glibc's behavior,
  *   since that's problematic according to Android's security team.
  *
- * - %hs converts UTF-16/UCS-2 → UTF-8, which can be helpful on Windows.
+ * - `%hs` converts UTF-16/UCS-2 → UTF-8, which can be helpful on Windows.
  *   Formatting (e.g. %-10hs) will use monospace display width rather
  *   than string length or codepoint count.
  *
- * - %ls (or %Ls) converts UTF-32 → UTF-8. Formatting (e.g. %-10ls) will
- *   use monospace display width rather than string length.
+ * - `%ls` (or `%Ls`) converts UTF-32 → UTF-8. Formatting (e.g. %-10ls)
+ *   will use monospace display width rather than string length.
  *
- * - The %#s and %#c alternate forms display values using the standard
- *   IBM standard 256-letter alphabet. Using %#.*s to specify length
- *   will allow true binary (i.e. with NULs) to be formatted.
+ * - The `%#s` and `%#c` alternate forms display values using the
+ *   standard IBM standard 256-letter alphabet. Using `%#.*s` to specify
+ *   length will allow true binary (i.e. with NULs) to be formatted.
  *
- * - The %'s and %'c alternate forms are Cosmopolitan extensions for
+ * - The `%'s` and `%'c` alternate forms are Cosmopolitan extensions for
  *   escaping string literals for C/C++ and Python. The outer quotation
- *   marks can be added automatically using %`s. If constexpr format
+ *   marks can be added automatically using ``%`s``. If constexpr format
  *   strings are used, we can avoid linking cescapec() too.
  *
- * - The backtick modifier (%`s and %`c) and repr() directive (%r) both
- *   ask the formatting machine to represent values as real code rather
- *   than using arbitrary traditions for displaying values. This means
- *   it implies the quoting modifier, wraps the value with {,u,L}['"]
- *   quotes, displays NULL as "NULL" rather than "(null)", etc.
+ * - The backtick modifier (``%`s`` and ``%`c``) and repr() directive
+ *   (`%r`) both ask the formatting machine to represent values as real
+ *   code rather than using arbitrary traditions for displaying values.
+ *   This means it implies the quoting modifier, wraps the value with
+ *   {,u,L}['"] quotes, displays NULL as "NULL" rather than "(null)".
  *
  * @see palandprintf() for intuitive reference documentation
  * @see {,v}{,s{,n},{,{,x}as},f,d}printf