diff -r e72546725c77 -r c9a158da6c32 src/lib/INIReader.cpp
--- a/src/lib/INIReader.cpp	Mon Nov 30 00:12:16 2020 +0100
+++ b/src/lib/INIReader.cpp	Sun Oct 31 17:30:40 2021 +0100
@@ -58,6 +58,20 @@
 
 	std::vector<ConfiguredDialect> dialects;
 
+	/**
+	 * If there is a „\“ backspace at the end of a physical line, the logical line continues on the next physical line.
+	 *
+	 * Disabling this option makes sense only if we also disable the unescaping processors (unescape-basic, unescape-backspace).
+	 * Otherwise they will complain about „Missing escape sequence“ because they got „\“ at the end of the value.
+	 */
+	bool allowLineContinuationsWithEscaping = true;
+
+	/**
+	 * If a line starts with a space, it is continuation of the previous line.
+	 * This rule conflicts with default ignorance of such insignificant whitespace and is quite specific to the Java MANIFEST.MF dialect.
+	 */
+	bool allowLineContinuationsWithSpace = false;
+
 	/** 
 	 * By default, we ignore all leading whitespace on continuing lines.
 	 * If there should be some spaces or tabs, they should be placed on the previous line before the „\“.
@@ -188,8 +202,19 @@
 	std::string readUntil(const std::string& until, bool* found = nullptr) {
 		std::stringstream result;
 
-		for (char ch = peek(); input.good() && !oneOf(ch, until); ch = peek()) {
-			if (ch == '\\') {
+		for (char ch = peek(); input.good(); ch = peek()) {
+			if (allowLineContinuationsWithSpace && ch == '\n') {
+				get();
+				ch = peek();
+				if (ch == ' ') get();
+				else if (ch == std::istream::traits_type::eof()) break;
+				else {
+					if (found) *found = true;
+					return result.str();
+				}
+			} else if (oneOf(ch, until)) {
+				break;
+			} else if (allowLineContinuationsWithEscaping && ch == '\\') {
 				get();
 				ch = get();
 				if (oneOf(ch, until) && ch == '\n') processContinuingLine(result);
@@ -309,7 +334,9 @@
 	}
 
 	void setOption(const std::string& uri, const std::string& value) override {
-		if (uri == option::TrimContinuingLines) trimLeadingSpacesOnContinuingLines = parseBoolean(value); // TODO: continuing lines modes (enum), not just boolean
+		if (uri == option::AllowLineContinuationWithEscaping) allowLineContinuationsWithEscaping = parseBoolean(value);
+		else if (uri == option::AllowLineContinuationWithSpace) allowLineContinuationsWithSpace = parseBoolean(value);
+		else if (uri == option::TrimContinuingLines) trimLeadingSpacesOnContinuingLines = parseBoolean(value);
 		else if (uri == option::AllowSections) allowSections = parseBoolean(value);
 		else if (uri == option::AllowSectionTags) allowSectionTags = parseBoolean(value);
 		else if (uri == option::AllowSubKeys) allowSubKeys = parseBoolean(value);