Building on PR #61 with more text additions (#72)

Author: chrispolson

iosMath/lib/MTMathAtomFactory.m

@@ -858,12 +858,16 @@ + (NSDictionary*) delimValueToName
                        @"rm": @(kMTFontStyleRoman),
                        @"mathbf": @(kMTFontStyleBold),
                        @"bf": @(kMTFontStyleBold),
+                       @"textbf": @(kMTFontStyleBold),
                        @"mathcal": @(kMTFontStyleCaligraphic),
                        @"cal": @(kMTFontStyleCaligraphic),
                        @"mathtt": @(kMTFontStyleTypewriter),
+                       @"texttt": @(kMTFontStyleTypewriter),
                        @"mathit": @(kMTFontStyleItalic),
+                       @"textit": @(kMTFontStyleItalic),
                        @"mit": @(kMTFontStyleItalic),
                        @"mathsf": @(kMTFontStyleSansSerif),
+                       @"textsf": @(kMTFontStyleSansSerif),
                        @"mathfrak": @(kMTFontStyleFraktur),
                        @"frak": @(kMTFontStyleFraktur),
                        @"mathbb": @(kMTFontStyleBlackboard),