Auto merge of #56578 - alexreg:cosmetic-1, r=alexreg

Various minor/cosmetic improvements to code

r? @Centril 😄

1 files changed, 4 insertions, 4 deletions

diff --git a/src/libgraphviz/lib.rs b/src/libgraphviz/lib.rs
index 396b0366074..e3cf959beb8 100644
--- a/src/libgraphviz/lib.rs
+++ b/src/libgraphviz/lib.rs
@@ -10,7 +10,7 @@
 
 //! Generate files suitable for use with [Graphviz](http://www.graphviz.org/)
 //!
-//! The `render` function generates output (e.g. an `output.dot` file) for
+//! The `render` function generates output (e.g., an `output.dot` file) for
 //! use with [Graphviz](http://www.graphviz.org/) by walking a labeled
 //! graph. (Graphviz can then automatically lay out the nodes and edges
 //! of the graph, and also optionally render the graph as an image or
@@ -25,7 +25,7 @@
 //! expressiveness of the [DOT language](
 //! http://www.graphviz.org/doc/info/lang.html). For example, there are
 //! many [attributes](http://www.graphviz.org/content/attrs) related to
-//! providing layout hints (e.g. left-to-right versus top-down, which
+//! providing layout hints (e.g., left-to-right versus top-down, which
 //! algorithm to use, etc). The current intention of this library is to
 //! emit a human-readable .dot file with very regular structure suitable
 //! for easy post-processing.
@@ -373,7 +373,7 @@ impl Style {
 // implement a Labelling service) that I have encountered is that it
 // makes it impossible to use types outside of the current crate
 // directly as Nodes/Edges; you need to wrap them in newtype'd
-// structs. See e.g. the `No` and `Ed` structs in the examples. (In
+// structs. See e.g., the `No` and `Ed` structs in the examples. (In
 // practice clients using a graph in some other crate would need to
 // provide some sort of adapter shim over the graph anyway to
 // interface with this library).
@@ -400,7 +400,7 @@ impl<'a> Id<'a> {
     /// The caller must ensure that the input conforms to an
     /// identifier format: it must be a non-empty string made up of
     /// alphanumeric or underscore characters, not beginning with a
-    /// digit (i.e. the regular expression `[a-zA-Z_][a-zA-Z_0-9]*`).
+    /// digit (i.e., the regular expression `[a-zA-Z_][a-zA-Z_0-9]*`).
     ///
     /// (Note: this format is a strict subset of the `ID` format
     /// defined by the DOT language.  This function may change in the