all: fix punctuation regarding "e.g." and "i.e."

Follow the convention of modern English grammar that
a comma should usually come after "e.g." and "i.e.".

INSTALL.md

@@ -164,7 +164,7 @@ Notes
  ### Targeting 32-bit Platforms
 
   BookmarkFS requires 64-bit `off_t` and `time_t`, which may not be supported
-  on 32-bit platforms (e.g. i386 FreeBSD does not support 64-bit `time_t`).
+  on 32-bit platforms (e.g., i386 FreeBSD does not support 64-bit `time_t`).
 
   If using Autoconf 2.72 or later, the configuration script automatically
   performs checks and defines necessary macros, and fails if unsupported.

doc/bookmarkfs.texi

@@ -160,8 +160,8 @@ and cannot help if the operating system has already been compromised.
 Examples of what ``untrusted input'' may include:
 
 @itemize @bullet{}
-@item Bookmark files that are @emph{not} created by the user using a
-trusted program (e.g. a file obtained from some random person on the internet).
+@item Bookmark files that are @emph{not} created by the user using a trusted
+program (e.g., a file obtained from some random person on the internet).
 @item Filesystem calls from untrusted programs.
 The program itself may be isolated, but it has a chance to escape
 the isolated environment if it can exploit BookmarkFS.
@@ -201,7 +201,7 @@ The exact interpretation of this option is backend-defined.
 
 @item target
 Pathname of the directory where the filesystem shall be mounted to
-(i.e. the ``mountpoint'').
+(i.e., the ``mountpoint'').
 @end table
 
 Files under the filesystem are assigned ownership according to
@@ -355,7 +355,7 @@ As a bookmark management tool independent from the browser,
 BookmarkFS should never update that time automatically.
 
 Nonetheless, the user is still allowed to explicitly update atime
-(e.g. with @posixfuncmanpage{futimens}).
+(e.g., with @posixfuncmanpage{futimens}).
 @end table
 
 
@@ -779,7 +779,7 @@ is undefined.
 The file associated with the file descriptor no longer exists.
 
 The error may occur when the underlying bookmark storage has been modified by
-another process (e.g. a web browser) after opening a file.
+another process (e.g., a web browser) after opening a file.
 
 If the filesystem is mounted in exclusive mode, this error should not occur.
 @end table
@@ -844,7 +844,7 @@ This allows filesystem implementations to organize directory entries in a more
 relaxed manner.
 There could be extra overhead to maintain a predictable ordering of
 directory entries, since they may not have a linear structure on modern
-on-disk filesystems (e.g. ext4 uses
+on-disk filesystems (e.g., ext4 uses
 @linuxdoc{htree, filesystems/ext4/dynamic.html#hash-tree-directories}
 for large directories).
 
@@ -915,7 +915,7 @@ Write or search permission is denied for the directory.
 
 @item EINVAL
 @code{name1} or @code{name2} is not a valid filename
-(e.g. empty string; contains @samp{/} character).
+(e.g., empty string; contains @samp{/} character).
 
 @item ENOENT
 The directory does not contain entries named @code{name1} or @code{name2}.
@@ -1011,7 +1011,7 @@ in the directory stream.
 Value of @code{extra} is the ID of the other bookmark.
 
 @item BOOKMARKFS_FSCK_RESULT_NAME_BADCHAR
-The bookmark contains a bad character (i.e. the ASCII @samp{/} character).
+The bookmark contains a bad character (i.e., the ASCII @samp{/} character).
 
 Value of @code{extra} is the byte offset where the bad character first appears
 in @code{name}.
@@ -1115,7 +1115,7 @@ The backend name, equivalent to the value given to the
 
 @item $@{shlib_suffix@}
 The common filename extension for shared library files on the current platform
-(e.g. @file{.so} on GNU/Linux and FreeBSD).
+(e.g., @file{.so} on GNU/Linux and FreeBSD).
 @end table
 
 
@@ -1374,7 +1374,7 @@ since Chromium does not have such concepts.
 @section Backend API
 
 The Backend API specifies how a BookmarkFS backend communicates with a
-frontend program (e.g. @command{mount.bookmarkfs}).
+frontend program (e.g., @command{mount.bookmarkfs}).
 
 @quotation Warning
 Currently BookmarkFS is experimental.
@@ -1663,7 +1663,7 @@ The pointer will be passed to further function calls on this context.
 
 @item bookmarks_root_id
 ID of the bookmark root directory
-(i.e. @file{@var{$@{mountpoint@}}/bookmarks}).
+(i.e., @file{@var{$@{mountpoint@}}/bookmarks}).
 Must not be greater than @code{BOOKMARKFS_MAX_ID}.
 
 If sandboxing is requested, and the ID cannot be determined in a safe way
@@ -1671,7 +1671,7 @@ before entering sandbox, the backend may leave this field as-is or set it
 to @code{UINT64_MAX}.
 
 @item tags_root_id
-ID of the tags root directory (i.e. @file{@var{$@{mountpoint@}}/tags}).
+ID of the tags root directory (i.e., @file{@var{$@{mountpoint@}}/tags}).
 Must not be greater than @code{BOOKMARKFS_MAX_ID}.
 
 This field should be left as-is or set to @code{UINT64_MAX},
@@ -1733,7 +1733,7 @@ The handler name, equivalent to the value given to the
 
 @item $@{shlib_suffix@}
 The common filename extension for shared library files on the current platform
-(e.g. @file{.so} on GNU/Linux and FreeBSD).
+(e.g., @file{.so} on GNU/Linux and FreeBSD).
 @end table
 
 
@@ -1857,7 +1857,7 @@ Equals to @t{0} if the @option{-o repair} option is given to
 Enable unsafe Tcl interpreter features.
 
 Should be used in combination with the @option{-o no_sandbox} option
-if you wish to access extra system resources (e.g. open local files).
+if you wish to access extra system resources (e.g., open local files).
 
 Without this option, the Tcl interpreter has limited functionalities
 as if created with @code{interp create -safe}.

doc/fsck.bookmarkfs.1

@@ -13,10 +13,10 @@ The
 .B fsck.bookmarkfs
 program checks and optionally repairs a BookmarkFS filesystem.
 .PP
-Unlike fsck for on-disk filesystems (e.g. ext4), this program
+Unlike fsck for on-disk filesystems (e.g., ext4), this program
 does not check for data integrity of the bookmark storage.
 Instead, it checks for bookmark names that are not valid as filename
-(e.g. contains slash characters).
+(e.g., contains slash characters).
 .PP
 See the full user manual for details.
 .SS Online mode

src/backend_chromium.c

@@ -1831,7 +1831,7 @@ backend_sandbox (
 #ifdef BOOKMARKFS_BACKEND_CHROMIUM_WRITE
     if (!(ctx->flags & BOOKMARKFS_BACKEND_READONLY)) {
         // Do not lazy-init iconv in sandbox mode,
-        // since it may want to load modules (e.g. from /usr/lib/gconv).
+        // since it may want to load modules (e.g., from /usr/lib/gconv).
         if (0 != init_iconv(&ctx->cd)) {
             return -1;
         }

src/backend_firefox.c

@@ -3142,7 +3142,7 @@ backend_mkfs (
     // symbolic link, and SQLite choose to resolve it with readlink(2)
     // instead of directly open it (see unixFullPathname() in src/os_unix.c),
     // which does not solve the TOCTOU problem.  Also, /dev/fd is not portable
-    // (e.g. FreeBSD does not mount fdescfs by default).
+    // (e.g., FreeBSD does not mount fdescfs by default).
     //
     // Theoretically we could implement a "VFS shim" to workaround this
     // problem, but that does not seem to be worthwhile.

src/fs_ops.c

@@ -90,7 +90,7 @@
 #define send_reply(name, ...)  \
     reply_errcheck(fuse_reply_##name(__VA_ARGS__), #name, __LINE__)
 
-// Some platforms (e.g. Arm Morello) have 128-bit pointers,
+// Some platforms (e.g., Arm Morello) have 128-bit pointers,
 // where we cannot safely store a pointer to `fi->fh`.
 #if defined(SIZEOF_UINTPTR_T) && (SIZEOF_UINTPTR_T > 8)
 #  error "sizeof(uintptr_t) > sizeof(uint64_t)"

src/xstd.h

@@ -154,7 +154,7 @@ xrealloc (
 /**
  * Like strerror(), but MT-Safe.
  *
- * NOTE: strerror() is MT-Safe in some implementations (e.g. glibc >= 2.32),
+ * NOTE: strerror() is MT-Safe in some implementations (e.g., glibc >= 2.32),
  *       but POSIX does not enforce that.
  */
 BOOKMARKFS_INTERNAL