fix: rule documentation escape

doxygen/doxygen.bzl

diff --git a/doxygen/doxygen.bzl b/doxygen/doxygen.bzl
index c9ab80a..8ccfb0b 100644
--- a/doxygen/doxygen.bzl
+++ b/doxygen/doxygen.bzl
@@ -608,7 +608,7 @@
         filter_source_files: If the `filter_source_files` tag is set to `True`, the input filter (if set using `input_filter`) will also be used to filter the input files that are used for producing the source files to browse (i.e. when `source_browser` is set to `True`).
         filter_source_patterns: The `filter_source_patterns` tag can be used to specify source filters per file pattern.
         use_mdfile_as_mainpage: If the `use_mdfile_as_mainpage` tag refers to the name of a markdown file that is part of the input, its contents will be placed on the main page (index.html).
-        implicit_dir_docs: If the implicit_dir_docs tag is set to `True`, any README.md file found in subdirectories of the project's root, is used as the documentation for that subdirectory, except when the README.md starts with a \dir, \page or \mainpage command.
+        implicit_dir_docs: If the implicit_dir_docs tag is set to `True`, any README.md file found in subdirectories of the project's root, is used as the documentation for that subdirectory, except when the README.md starts with a \\dir, \\page or \\mainpage command.
         fortran_comment_after: The Fortran standard specifies that for fixed formatted Fortran code all characters from position 72 are to be considered as comment.
         source_browser: If the `source_browser` tag is set to `True` then a list of source files will be generated.
         inline_sources: Setting the `inline_sources` tag to `True` will include the body of functions, multi-line macros, enums or list initialized variables directly into the documentation.
@@ -781,7 +781,7 @@
         plantuml_jar_path: When using PlantUML, the `plantuml_jar_path` tag should be used to specify the path where java can find the plantuml.jar file or to the filename of jar file to be used.
         plantuml_cfg_file: When using PlantUML, the `plantuml_cfg_file` tag can be used to specify a configuration file for PlantUML.
         plantuml_include_path: When using PlantUML, the specified paths are searched for files specified by the !include statement in a PlantUML block.
-        plantumlfile_dirs: The plantumlfile_dirs tag can be used to specify one or more directories that contain PlantUml files that are included in the documentation (see the \plantumlfile command).
+        plantumlfile_dirs: The plantumlfile_dirs tag can be used to specify one or more directories that contain PlantUml files that are included in the documentation (see the \\plantumlfile command).
         dot_graph_max_nodes: The `dot_graph_max_nodes` tag can be used to set the maximum number of nodes that will be shown in the graph.
         max_dot_graph_depth: The `max_dot_graph_depth` tag can be used to set the maximum depth of the graphs generated by dot.
         dot_multi_targets: Set the `dot_multi_targets` tag to `True` to allow dot to generate multiple output files in one run (i.e. multiple -o and -T options on the command line).