Fix grammar and spelling in comments and documentation

Author: 0tkl

automation/v4-docs/progress-reporting.txt

@@ -87,7 +87,7 @@ aegisub.log is preferred since its name is shorter and more general.
     4: Debug, some additional data only needed for development.
     5: Trace, extremely verbose data showing every tiny step during execution.
   The level can be used to let the user limit how severe messages will be
-  shown, so you eg. can leave trace messages in, yet the casual user of the
+  shown, so you e.g. can leave trace messages in, yet the casual user of the
   script won't see them unless he explicitly enables it.
   This argument is optional and can be left out, in which case the message
   will always be displayed, regardless of the current trace level set in

libaegisub/common/charset_6937.cpp

@@ -152,7 +152,7 @@ const extended_range iso6937_extended_codepoints[] = {
 	{ 0x266A, 0xD5 }
 };
 
-/// Get the ISO-6937-2 value for the given unicode codepoint or 0 if it cannot be mapped
+/// Get the ISO-6937-2 value for the given Unicode codepoint or 0 if it cannot be mapped
 int get_iso6937(int codepoint) {
 	if (static_cast<size_t>(codepoint) < std::size(iso6937_codepoints))
 		return iso6937_codepoints[codepoint];
@@ -197,7 +197,7 @@ size_t Converter6937::Convert(const char **inbuf, size_t *inbytesleft, char **ou
 		char *val_buf = reinterpret_cast<char *>(&in_val);
 		size_t val_buf_size = sizeof(in_val);
 
-		// Get the next unicode character from the input
+		// Get the next Unicode character from the input
 		size_t ret = to_ucs4->Convert(&inbuftmp, &inbyteslefttmp, &val_buf, &val_buf_size);
 		if (ret == (size_t)-1 && errno != E2BIG)
 			return ret;

libaegisub/common/charset_6937.h

@@ -26,7 +26,7 @@ namespace agi::charset {
 /// While glibc iconv supports ISO-6937-2, GNU libiconv does not due to that
 /// it's not used by anything but old subtitle formats
 class Converter6937 final : public Converter {
-	/// Converter to UCS-4 so that we only have to deal with unicode codepoints
+	/// Converter to UCS-4 so that we only have to deal with Unicode codepoints
 	std::unique_ptr<Converter> to_ucs4;
 
 	/// Should unsupported characters be replaced with '?'

libaegisub/include/libaegisub/ass/smpte.h

@@ -32,9 +32,9 @@ class SmpteFormatter {
 public:
 	SmpteFormatter(vfr::Framerate fps, char sep=':');
 
-	/// Convert an Time to a SMPTE timecode
+	/// Convert a Time to a SMPTE timecode
 	std::string ToSMPTE(Time time) const;
-	/// Convert a SMPTE timecode to an Time
+	/// Convert a SMPTE timecode to a Time
 	Time FromSMPTE(std::string const& str) const;
 };
 }

libaegisub/include/libaegisub/exception.h

@@ -40,8 +40,8 @@ namespace agi {
 	///
 	/// However, there are no public constructors for this class, it should
 	/// not be instantiated and thrown directly. Throw instances of a
-	/// relevant sub class, declare a new one if necessary. It is allowed to
-	/// declare sub classes of Exception and derivatives in private headers
+	/// relevant subclass, declare a new one if necessary. It is allowed to
+	/// declare subclasses of Exception and derivatives in private headers
 	/// and even inside source files, as long as a caller has a chance to
 	/// catch the exception thrown.
 	///

libaegisub/include/libaegisub/fs.h

@@ -154,7 +154,7 @@ bool DirectoryExists(path const& dir);
 /// Get the local-charset encoded shortname for a file
 ///
 /// This is purely for compatibility with external libraries which do
-/// not support unicode filenames on Windows. On all other platforms,
+/// not support Unicode filenames on Windows. On all other platforms,
 /// it is a no-op.
 std::string ShortName(path const& file_path);
 

libaegisub/include/libaegisub/json.h

@@ -24,7 +24,7 @@ json::UnknownElement parse(std::istream &stream);
 
 /// Parse a json stream, with default handler.
 /// @param file Path to JSON file.
-/// @param default_config Default config file to load incase of nonexistent file
+/// @param default_config Default config file to load in case of nonexistent file
 /// @return json::UnknownElement
 json::UnknownElement file(agi::fs::path const& file, std::string_view default_config);
 

libaegisub/include/libaegisub/log.h

@@ -95,7 +95,7 @@ class LogSink {
 	std::vector<SinkMessage> GetMessages() const;
 };
 
-/// An emitter to produce human readable output for a log sink.
+/// An emitter to produce human-readable output for a log sink.
 class Emitter {
 public:
 	/// Destructor

libaegisub/include/libaegisub/lua/ffi.h

@@ -30,7 +30,7 @@ static void register_lib_functions(lua_State *) {
 
 template<typename Func, typename... Rest>
 void register_lib_functions(lua_State *L, const char *name, Func *func, Rest... rest) {
-	// This cast isn't legal, but LuaJIT internally requires that it work, so we can rely on it too
+	// This cast isn't legal, but LuaJIT internally requires it to work, so we can rely on it too
 	do_register_lib_function(L, name, type_name<Func*>::name().c_str(), (void *)func);
 	register_lib_functions(L, rest...);
 }

libaegisub/include/libaegisub/signal.h

@@ -79,7 +79,7 @@ class Connection {
 	/// @brief Disable this connection until Unblock is called
 	void Block() { if (token) token->blocked = true; }
 
-	/// @brief Reenable this connection after it was disabled by Block
+	/// @brief Re-enable this connection after it was disabled by Block
 	void Unblock() { if (token) token->blocked = false; }
 };