Remove 'slave' terminology from Counters.cpp.

And with it, 'master'. That is less problematic by itself (so I'm not
worried about 'master document'), but here it doesn't make a lot of
sense without 'slave'.

src/Buffer.cpp

@@ -5155,7 +5155,7 @@ void Buffer::Impl::setLabel(ParIterator & it, UpdateType utype) const
 		if (needEnumCounterReset(it)) {
 			// Increase the master counter?
 			if (layout.stepmastercounter)
-				counters.stepMaster(enumcounter, utype);
+				counters.stepParent(enumcounter, utype);
 			// Maybe we have to reset the enumeration counter.
 			if (!layout.resumecounter)
 				counters.reset(enumcounter);

src/Counters.cpp

@@ -43,7 +43,7 @@ Counter::Counter()
 
 Counter::Counter(docstring const & mc, docstring const & ls,
 		docstring const & lsa, docstring const & guiname)
-	: initial_value_(0), saved_value_(0), master_(mc), labelstring_(ls),
+	: initial_value_(0), saved_value_(0), parent_(mc), labelstring_(ls),
 	  labelstringappendix_(lsa), guiname_(guiname)
 {
 	reset();
@@ -87,9 +87,9 @@ bool Counter::read(Lexer & lex)
 		switch (le) {
 			case CT_WITHIN:
 				lex.next();
-				master_ = lex.getDocString();
-				if (master_ == "none")
-					master_.erase();
+				parent_ = lex.getDocString();
+				if (parent_ == "none")
+					parent_.erase();
 				break;
 			case CT_INITIALVALUE:
 				lex.next();
@@ -176,17 +176,17 @@ void Counter::reset()
 }
 
 
-docstring const & Counter::master() const
+docstring const & Counter::parent() const
 {
-	return master_;
+	return parent_;
 }
 
 
-bool Counter::checkAndRemoveMaster(docstring const & cnt)
+bool Counter::checkAndRemoveParent(docstring const & cnt)
 {
-	if (master_ != cnt)
+	if (parent_ != cnt)
 		return false;
-	master_ = docstring();
+	parent_ = docstring();
 	return true;
 }
 
@@ -211,18 +211,18 @@ Counters::Counters() : appendix_(false), subfloat_(false), longtable_(false)
 
 
 void Counters::newCounter(docstring const & newc,
-			  docstring const & masterc,
+			  docstring const & parentc,
 			  docstring const & ls,
 			  docstring const & lsa,
 			  docstring const & guiname)
 {
-	if (!masterc.empty() && !hasCounter(masterc)) {
-		lyxerr << "Master counter does not exist: "
-		       << to_utf8(masterc)
+	if (!parentc.empty() && !hasCounter(parentc)) {
+		lyxerr << "Parent counter does not exist: "
+			   << to_utf8(parentc)
 		       << endl;
 		return;
 	}
-	counterList_[newc] = Counter(masterc, ls, lsa, guiname);
+	counterList_[newc] = Counter(parentc, ls, lsa, guiname);
 }
 
 
@@ -315,18 +315,18 @@ void Counters::restoreValue(docstring const & ctr) const
 }
 
 
-void Counters::resetSlaves(docstring const & count)
+void Counters::resetChildren(docstring const & count)
 {
 	for (auto & ctr : counterList_) {
-		if (ctr.second.master() == count) {
+		if (ctr.second.parent() == count) {
 			ctr.second.reset();
-			resetSlaves(ctr.first);
+			resetChildren(ctr.first);
 		}
 	}
 }
 
 
-void Counters::stepMaster(docstring const & ctr, UpdateType utype)
+void Counters::stepParent(docstring const & ctr, UpdateType utype)
 {
 	CounterList::iterator it = counterList_.find(ctr);
 	if (it == counterList_.end()) {
@@ -334,7 +334,7 @@ void Counters::stepMaster(docstring const & ctr, UpdateType utype)
 		       << to_utf8(ctr) << endl;
 		return;
 	}
-	step(it->second.master(), utype);
+	step(it->second.parent(), utype);
 }
 
 
@@ -354,7 +354,7 @@ void Counters::step(docstring const & ctr, UpdateType utype)
 		counter_stack_.push_back(ctr);
 	}
 
-	resetSlaves(ctr);
+	resetChildren(ctr);
 }
 
 
@@ -405,8 +405,8 @@ bool Counters::remove(docstring const & cnt)
 	if (!retval)
 		return false;
 	for (auto & ctr : counterList_) {
-		if (ctr.second.checkAndRemoveMaster(cnt))
-			LYXERR(Debug::TCLASS, "Removed master counter `" +
+		if (ctr.second.checkAndRemoveParent(cnt))
+			LYXERR(Debug::TCLASS, "Removed parent counter `" +
 					to_utf8(cnt) + "' from counter: " + to_utf8(ctr.first));
 	}
 	return retval;
@@ -500,8 +500,8 @@ docstring Counters::flattenLabelString(docstring const & counter,
 
 	callers.push_back(counter);
 	if (ls.empty()) {
-		if (!c.master().empty())
-			ls = flattenLabelString(c.master(), in_appendix, lang, callers)
+		if (!c.parent().empty())
+			ls = flattenLabelString(c.parent(), in_appendix, lang, callers)
 				+ from_ascii(".");
 		callers.pop_back();
 		return ls + from_ascii("\\arabic{") + counter + "}";

src/Counters.h

@@ -52,12 +52,12 @@ public:
 	void step();
 	///
 	void reset();
-	/// Returns the master counter of this counter.
-	docstring const & master() const;
-	/// Checks if the master counter is cnt, and if so removes
+	/// Returns the parent counter of this counter.
+	docstring const & parent() const;
+	/// Checks if the parent counter is cnt, and if so removes
 	/// it. This is used when a counter is deleted.
-	/// \return whether we removed the master.
-	bool checkAndRemoveMaster(docstring const & cnt);
+	/// \return whether we removed the parent.
+	bool checkAndRemoveParent(docstring const & cnt);
 	/// Returns a LaTeX-like string to format the counter.
 	/** This is similar to what one gets in LaTeX when using
 	 *  "\the<counter>". The \c in_appendix bool tells whether we
@@ -87,12 +87,12 @@ private:
 	int initial_value_;
 	///
 	int saved_value_;
-	/// contains master counter name.
-	/** The master counter is the counter that, if stepped
+	/// contains parent counter name.
+	/** The parent counter is the counter that, if stepped
 	 *  (incremented) zeroes this counter. E.g. "subsection"'s
-	 *  master is "section".
+	 *  parent is "section".
 	 */
-	docstring master_;
+	docstring parent_;
 	/// Contains a LaTeX-like string to format the counter.
 	docstring labelstring_;
 	/// The same as labelstring_, but in appendices.
@@ -119,10 +119,10 @@ public:
 	/// from the document class (e.g., which ones are defined).
 	/// Instead, call Counters::reset().
 	Counters();
-	/// Add new counter newc having masterc as its master,
+	/// Add new counter newc having parentc its parent,
 	/// ls as its label, and lsa as its appendix label.
 	void newCounter(docstring const & newc,
-			docstring const & masterc,
+			docstring const & parentc,
 			docstring const & ls,
 			docstring const & lsa,
 			docstring const & guiname);
@@ -143,14 +143,14 @@ public:
 	void saveValue(docstring const & ctr) const;
 	///
 	void restoreValue(docstring const & ctr) const;
-	/// Reset recursively all the counters that are slaves of the one named by \c ctr.
-	void resetSlaves(docstring const & ctr);
-	/// Increment by one master of counter named by \c ctr.
+	/// Reset recursively all the counters that are children of the one named by \c ctr.
+	void resetChildren(docstring const & ctr);
+	/// Increment by one the parent of counter named by \c ctr.
 	/// This also resets the counter named by \c ctr.
 	/// \param utype determines whether we track the counters.
-	void stepMaster(docstring const & ctr, UpdateType utype);
-	/// Increment by one counter named by \c ctr, and zeroes slave
-	/// counter(s) for which it is the master.
+	void stepParent(docstring const & ctr, UpdateType utype);
+	/// Increment by one counter named by \c ctr, and zeroes child
+	/// counter(s) for which it is the parent.
 	/// \param utype determines whether we track the counters.
 	void step(docstring const & ctr, UpdateType utype);
 	/// Reset all counters, and all the internal data structures