[depr.filesystems] Introduced section to group filesystems deprecations

Author: AlisdairM

source/future.tex

@@ -762,7 +762,9 @@
 Equivalent to: \tcode{return visit(std::forward<Visitor>(vis), arg.value);}
 \end{itemdescr}
 
-\rSec1[depr.fs.path.factory]{Deprecated filesystem path factory functions}
+\rSec1[depr.filesystems]{Deprecated file systems}
+
+\rSec2[depr.fs.path.factory]{Deprecated filesystem path factory functions}
 
 \pnum
 The header \libheaderrefx{filesystem}{fs.filesystem.syn} has the following additions:
@@ -841,7 +843,7 @@
 \end{note}
 \end{itemdescr}
 
-\rSec1[depr.fs.path.obs]{Deprecated filesystem path format observers}
+\rSec2[depr.fs.path.obs]{Deprecated filesystem path format observers}
 
 \indexlibraryglobal{path}%
 \pnum

source/iostreams.tex

@@ -14725,8 +14725,8 @@
 \returns
 \tcode{format("{}", *this)}.
 \begin{note}
-The returned string is suitable for use with formatting \iref{format.functions}
-and print functions \iref{print.fun}.
+The returned string is suitable for use with formatting\iref{format.functions}
+and print functions\iref{print.fun}.
 \end{note}
 \end{itemdescr}
 
@@ -14801,8 +14801,8 @@
 \returns
 \tcode{format("{:g}", *this)}.
 \begin{note}
-The returned string is suitable for use with formatting \iref{format.functions}
-and print functions \iref{print.fun}.
+The returned string is suitable for use with formatting\iref{format.functions}
+and print functions\iref{print.fun}.
 \end{note}
 \end{itemdescr}