diff --git a/src/plugins/e-acsl/doc/Changelog b/src/plugins/e-acsl/doc/Changelog
index 3b8b97a86519718bc8a7591c60b1ed853a889e12..e535d9b3fb164675e63ccd7e2d15aa9c6b36be93 100644
--- a/src/plugins/e-acsl/doc/Changelog
+++ b/src/plugins/e-acsl/doc/Changelog
@@ -12,11 +12,11 @@
 # '#?nnn'  : OLD-BTS entry #nnn                                               #
 ###############################################################################
 # Categories:
-#   E-ACSL	monitor generation
-#   runtime	C runtime library (and memory model)
-#   e-acsl-gcc	launcher e-acsl-gcc.sh
-#   Makefile	Makefile
-#   configure	configure
+#   E-ACSL      monitor generation
+#   runtime     C runtime library (and memory model)
+#   e-acsl-gcc  launcher e-acsl-gcc.sh
+#   Makefile    Makefile
+#   configure   configure
 ###############################################################################
 
 -  E-ACSL       [2020/03/10] Call E-ACSL's free functions for globals in a
@@ -27,7 +27,7 @@
                 `__e_acsl_delete_block` in presence of gotos to return statements.
 -  E-ACSL       [2020/03/09] Improve verdict messages emitted by e_acsl_assert.
 -* E-ACSL       [2020/01/06] Fix typing bug in presence of variable-length
-	        arrays that may lead to incorrect generated code.
+                arrays that may lead to incorrect generated code.
 -* E-ACSL       [2019/12/04] Fix bug with compiler built-ins.
 
 ############################
@@ -36,26 +36,26 @@ Plugin E-ACSL 20.0 (Calcium)
 
 -  E-ACSL       [2019/08/28] Support of rational numbers and operations.
 -! E-ACSL       [2019/08/28] Deactivate the unsound support of real
-	        numbers (that are not rationals). They were previously
-	        unsoundly converted to floating point numbers.
+                numbers (that are not rationals). They were previously
+                unsoundly converted to floating point numbers.
 
 ##############################
 Plugin E-ACSL 19.0 (Potassium)
 ##############################
 
 -  E-ACSL       [2019/04/29] Support for logic functions and predicates
-	        without labels.
+                without labels.
 -  runtime      [2019/02/26] The behavior of __e_acsl_assert now depends on the
-	        runtime value of the global variable __e_acsl_sound_verdict:
-	        if 0, it means that its verdict is possibly incorrect.
+                runtime value of the global variable __e_acsl_sound_verdict:
+                if 0, it means that its verdict is possibly incorrect.
 -  E-ACSL       [2019/02/26] New option -e-acsl-instrument to instrument
-	        only a specified set of functions. It may lead to incorrect
-	        verdicts.
+                only a specified set of functions. It may lead to incorrect
+                verdicts.
 -  E-ACSL       [2019/02/19] New option -e-acsl-functions to monitor only
-	        annotations in a white list of functions.
+                annotations in a white list of functions.
 -* runtime      [2019/02/04] Fix initialization of the E-ACSL runtime in
-	        presence of multiple calls to its initializer (for
-	        instance, if the main is a recursive function).
+                presence of multiple calls to its initializer (for
+                instance, if the main is a recursive function).
 -* runtime      [2019/01/02] Fix overlap of TLS with other memory
                 segments for large memory spaces.
 -  E-ACSL       [2018/11/15] Predicates with empty quantifications
@@ -87,21 +87,21 @@ Plugin E-ACSL Chlorine-20180501
 
 -  E-ACSL       [2018/03/30] Support for let binding.
 -  E-ACSL       [2018/02/21] New option -e-acsl-replace-libc-functions to
-	        replace a few libc functions by built-ins that efficiently
-	        detects when they are incorrectly called.
+                replace a few libc functions by built-ins that efficiently
+                detects when they are incorrectly called.
 -  E-ACSL       [2018/02/21] New option -e-acsl-validate-format-strings to
-	        detect format string errors in printf-like functions.
+                detect format string errors in printf-like functions.
 -* E-ACSL       [2018/02/21] Correct support of variable-length array
-	        (fix bug #1834).
+                (fix bug #1834).
 -* runtime      [2018/02/16] Function __e_acsl_offset now returns size_t.
 -* E-ACSL       [2018/02/07] Fix incorrect typing in presence of
-	        comparison operators (may only be visible when directly
-	        analyzing the E-ACSL's generated code with Frama-C without
-	        pretty-printing it).
+                comparison operators (may only be visible when directly
+                analyzing the E-ACSL's generated code with Frama-C without
+                pretty-printing it).
 -* runtime      [2018/01/30] E-ACSL aborted when run on a machine with a
-	        low hard limit on the stack size.
+                low hard limit on the stack size.
 -* E-ACSL       [2018/01/08] Fix a crash when translating a postcondition
-	        that should generate a local variable (bts #2339).
+                that should generate a local variable (bts #2339).
 -* e-acsl-gcc   [2017/11/28] Several files may be given to e-acsl-gcc.sh
                 (as specified).
 -* E-ACSL       [2017/11/27] Fix 'segmentation fault' of the generated monitor
@@ -134,28 +134,28 @@ Plugin E-ACSL Phosphorus-20170515
 #################################
 
 -  runtime      [2017/03/29] The (much more efficient) shadow memory model is
-	        now used by default.
+                now used by default.
 -* runtime      [2017/03/28] Fix backtrace when the failed instrumented programs
-	        do not require memory model.
+                do not require memory model.
 -! e-acsl-gcc   [2017/03/19] Remove --print|-p option from e-acsl-gcc.sh
 -  e-acsl-gcc   [2017/03/16] Add --check option to e-acsl-gcc.sh which allows
-	        to check the integrity of the generated AST before
-	        instrumentation.
+                to check the integrity of the generated AST before
+                instrumentation.
 -! e-acsl-gcc   [2017/03/03] Remove precond rte option from e-acsl-gss.sh.
 -* E-ACSL       [2017/03/02] Fix bts #1740 about incorrect monitoring of
-	        memory properties when early exiting a block through
-	        goto, break or continue.
+                memory properties when early exiting a block through
+                goto, break or continue.
 -* E-ACSL       [2017/03/01] Correct support of stdin, stdout and stderr
-	        in annotations.
+                in annotations.
 -* E-ACSL       [2017/02/24] Fix crash with casts from non-integral terms to
-	        integral types (bts #2284).
+                integral types (bts #2284).
 -* E-ACSL       [2017/02/17] Fix bug with goto which points to a labeled
-	        statement which must be instrumented.
+                statement which must be instrumented.
 -* E-ACSL       [2017/01/23] Fix bug #2252 about pointer arithmetic with
-	        negative offsets.
+                negative offsets.
 -* E-ACSL       [2017/01/23] Fix bug with typing of unary and binary
-	        operations in a few cases: the generated code might have
-	        overflowed.
+                operations in a few cases: the generated code might have
+                overflowed.
 
 #########################
 Plugin E-ACSL 0.8 Silicon
@@ -163,71 +163,71 @@ Plugin E-ACSL 0.8 Silicon
 
 -* e-acsl-gcc   [2016/11/07] Added --rte-select feature to e-acsl-gcc.sh.
 -* e-acsl-gcc   [2016/08/02] Added --rt-debug feature to e-acsl-gcc.sh.
-	        --enable-optimized-rtl configure option removed
+                --enable-optimized-rtl configure option removed
 -* configure    [2016/08/02] Added --enable-optimized-rtl option to configure
 -* e-acsl-gcc   [2016/08/02] Removed --production|-P, --no-stdlib|-N and
-	        --debug-log|-D options of e-acsl-gcc.sh.
+                --debug-log|-D options of e-acsl-gcc.sh.
 -* E-ACSL       [2016/07/21] Enable reporting of stack traces during assertion
-	        failures in instrumented programs.
+                failures in instrumented programs.
 -* e-acsl-gcc   [2016/07/13] Add an e-acsl-gcc.sh option (--print--models)
-	        allowing to print the names of the supported memory models.
+                allowing to print the names of the supported memory models.
 -* E-ACSL       [2016/07/01] Add monitoring support for aligned memory
-	        allocation via posix_memalign and aligned alloc functions.
+                allocation via posix_memalign and aligned alloc functions.
 -* runtime      [2016/07/01] Add local version of GMP library customized for use
-	        with E-ACSL runtime library.
+                with E-ACSL runtime library.
 -* runtime      [2016/07/01] Add custom implementation of malloc for use with
-	        E-ACSL runtime library (via jemalloc library).
+                E-ACSL runtime library (via jemalloc library).
 -  E-ACSL       [2016/05/31] New option -e-acsl-builtins which allows to
-	        declare pure C functions which can be used in logic
-	        function application.
+                declare pure C functions which can be used in logic
+                function application.
 -  E-ACSL       [2016/05/23] Re-implementation of the type system which
-	        improves the efficiency of the generated code over integers.
+                improves the efficiency of the generated code over integers.
 -* E-ACSL       [2016/05/23] Fix bug #2191 about complicate structs and
-	        literate string.
+                literate string.
 -* e-acsl-gcc   [2016/05/22] Add an e-acsl-gcc.sh option (--rte|-a) allowing to
-	        annotate the source program with memory-safety assertions prior
-	        to instrumentation.
+                annotate the source program with memory-safety assertions prior
+                to instrumentation.
 -* E-ACSL       [2016/05/23] Fix bug #1395 about recursive functions.
 -* Makefile     [2016/04/07] Fix 'make install' when executed within Frama-C.
 -* runtime      [2016/03/31] Improve performance of Patricia Trie memory model.
 -* Makefile     [2016/02/25] Fix 'make clean' in tests.
 -* runtime      [2016/01/15] Fix several bugs related to incorrect partial
-	        initialization of tracked memory blocks in the E-ACSL
-	        memory model library.
+                initialization of tracked memory blocks in the E-ACSL
+                memory model library.
 
 ###########################
 Plugin E-ACSL 0.6 Magnesium
 ###########################
 
 -* e-acsl-gcc   [2016/01/22] Add an e-acsl-gcc.sh option allowing to skip
-	        compilation of original sources.
+                compilation of original sources.
 -* Makefile     [2016/01/15] Fix installation with custom --prefix.
 -* runtime      [2016/01/05] Fix bug in the memory model that caused the
-	        tracked size of heap memory be computed incorrectly.
+                tracked size of heap memory be computed incorrectly.
 -  e-acsl-gcc   [2015/12/15] Add a convenience script e-acsl-gcc.sh for
-	        small runs of the E-ACSL plugin.
+                small runs of the E-ACSL plugin.
 -* E-ACSL       [2015/12/08] Fix bug #1817 about incorrect initialization of
-	        literal strings in global arrays with compound initializers.
+                literal strings in global arrays with compound initializers.
 -* runtime      [2015/11/06] Fix a crash occuring when using a recent libc
-	        while GMP headers provided by E-ACSL are used.
+                while GMP headers provided by E-ACSL are used.
 
 ########################
 Plugin E-ACSL 0.5 Sodium
 ########################
 
 -  E-ACSL       [2015/06/01] Support of \freeable. Thus illegal calls to
-	        free (e.g. double free) are detected.
+                free (e.g. double free) are detected.
 -* E-ACSL       [2015/05/28] Fix types of \block_length and \offset.
 -  E-ACSL       [2015/05/27] Search .h in the E-ACSL memory model by
-	        default (easier to use declarations like __memory_size).
+                default (easier to use declarations like __memory_size).
 -  E-ACSL       [2015/05/27] Compatibility with new Frama-C Sodium option
-	        -frama-c-stdlib.
+                -frama-c-stdlib.
 -* E-ACSL       [2015/04/28] Fix bug when using fopen.
 -* E-ACSL       [2015/03/06] Fix bugs #1636 and #1837 about scoping of literal
-	        strings.
+                strings.
 o  E-ACSL       [2014/12/17] Export a minimal API for other plug-ins.
 -* E-ACSL       [2014/10/27] Add a missing cast when translating an integral
-	        type used in a floating point/real context in an annotation.
+                type used in a floating point/real context in an annotation.
 
 ########################
 Plugin E-ACSL 0.4.1 Neon
@@ -238,22 +238,22 @@ Plugin E-ACSL 0.4.1 Neon
 -* E-ACSL       [2014/08/04] Fix bug #1696 by clarifying the manual.
 -* E-ACSL       [2014/08/04] Fix bug #1831 about argc and argv.
 -* E-ACSL       [2014/07/19] Fix bug #1836 about one-off error when
-	        computing the block which a pointer points to.
+                computing the block which a pointer points to.
 -* E-ACSL       [2014/07/08] Fix bug #1695 about using some part of the
-	        (Frama-C) libc which prevents linking of the generated C code.
+                (Frama-C) libc which prevents linking of the generated C code.
 -* E-ACSL       [2014/05/21] Fix bug #1782 about incorrect URL in the
-	        documentation.
+                documentation.
 -  E-ACSL       [2014/03/27] Remove spurious warnings when using type real
-	        numbers.
+                numbers.
 -* E-ACSL       [2014/03/26] Fix bug #1692 about wrong localisation of
-	        some messages.
+                some messages.
 -  E-ACSL       [2014/03/26] Remove a spurious warning when an annotated
-	        function is first declared, then defined.
+                function is first declared, then defined.
 -* E-ACSL       [2014/03/26] Fix bug #1717 about instrumentation of
-	        labeled statements.
+                labeled statements.
 -* E-ACSL       [2014/03/25] Fix bug #1716 with annotations in while(1).
 -* E-ACSL       [2014/03/25] Fix bug #1715 about -e-acsl-full-mmodel which
-	        generates incorrect code.
+                generates incorrect code.
 -* E-ACSL       [2014/03/17] Fix bug #1700 about non-ISO empty struct.
 
 ###############################
@@ -261,9 +261,9 @@ Plugin E-ACSL 0.4 Neon_20140301
 ###############################
 
 -* E-ACSL       [2014/01/28] Fix bug #1634 occuring in presence of static
-	        addresses.
+                addresses.
 -* E-ACSL       [2013/09/26] Fix incorrectness which may occur in presence
-	        of aliasing.
+                of aliasing.
 -* E-ACSL       [2013/09/25] Some loop invariants were tagged as "assertions".
 
 ###################################
@@ -271,19 +271,19 @@ Plugin E-ACSL 0.3 Fluorine_20130601
 ###################################
 
 -  E-ACSL       [2013/09/18] More precise message for unsupported contract
-	        clauses.
+                clauses.
 -  E-ACSL       [2013/09/18] Use GMP still less often.
 -* E-ACSL       [2013/09/18] Fix bug which may occur with divisions and modulos.
 -  runtime      [2013/09/10] Improve ACSL contracts of the E-ACSL C library.
 -  E-ACSL       [2013/09/06] Support of loop invariants.
 -* E-ACSL       [2013/09/04] Fix bug when monitored global variables have
-	        initializers (bts #1478).
+                initializers (bts #1478).
 -* E-ACSL       [2013/09/04] Fix bug when mixing -e-acsl-prepare and
-	        running E-ACSL in another project (bts #!1473).
+                running E-ACSL in another project (bts #!1473).
 -* E-ACSL       [2013/06/26] Fix crash with typedef on pointer types.
 -  E-ACSL       [2013/06/21] Fewer unknown locations.
 -* E-ACSL       [2013/06/18] Fix bug when generating RTEs on the E-ACSL
-	        generated project.
+                generated project.
 -* E-ACSL       [2013/05/30] Fix -e-acsl-debug n, with n >= 2.
 
 ###################################
@@ -291,18 +291,18 @@ Plugin E-ACSL 0.2 Fluorine_20130401
 ###################################
 
 -  E-ACSL       [2013/01/09] New option -e-acsl-valid. By default, valid
-	        annotation are not translated anymore.
+                annotation are not translated anymore.
 -* E-ACSL       [2013/01/09] Fix bug when translating a postcondition of a
-	        function where the init state is the same than the final
-	        state (bts #!1300).
+                function where the init state is the same than the final
+                state (bts #!1300).
 -  E-ACSL       [2013/01/09] Support of undefined function with a contract.
 -  E-ACSL       [2012/12/20] Support of ghost variables and statements.
 -* E-ACSL       [2012/12/13] Fix bug with complex term left-values.
 -  E-ACSL       [2012/11/27] Support of \valid_read.
 -  E-ACSL       [2012/11/27] Prevent runtime errors in annotations, except
-	        uninitialized variables.
+                uninitialized variables.
 -  E-ACSL       [2012/11/19] Support of floats in annotations. Approximate
-	        reals by floats.
+                reals by floats.
 -  E-ACSL       [2012/10/25] Support of \valid.
 -  E-ACSL       [2012/10/25] Support of \initialized.
 -  E-ACSL       [2012/10/25] Support of \block_length.
@@ -310,25 +310,25 @@ Plugin E-ACSL 0.2 Fluorine_20130401
 -  E-ACSL       [2012/10/25] Support of \base_addr.
 -* E-ACSL       [2012/09/13] Fix bug with very long ACSL integer constants.
 -  E-ACSL       [2012/06/27] Continue to convert the other pre/post-conditions
-	        even if one fails.
+                even if one fails.
 -  runtime      [2012/04/27] Improve ACSL spec of E-ACSL' C library.
 -* Makefile     [2012/01/27] Fix compilation bug when configuring with
-	        --enable-external.
--  E-ACSL	[2012/01/25] Nicer generated variable names.
+                --enable-external.
+-  E-ACSL       [2012/01/25] Nicer generated variable names.
 -* E-ACSL       [2012/01/24] Fix bug with lazy operators in term position.
 -* E-ACSL       [2012/01/24] Fix bug with boolean.
 -* E-ACSL       [2012/01/24] Fix bug with negation and GMP integers.
 -* E-ACSL       [2012/01/24] Fix bug with conditional and GMP integers.
 -  runtime      [2012/01/24] Function e_acsl_assert now consistent with
-	        standard assert.
--  E-ACSL	[2012/01/23] Support of bitwise complementation.
--  E-ACSL	[2012/01/20] Use GMP arithmetics only when required
-	        (i.e. mostly never in practice).
+                standard assert.
+-  E-ACSL       [2012/01/23] Support of bitwise complementation.
+-  E-ACSL       [2012/01/20] Use GMP arithmetics only when required
+                (i.e. mostly never in practice).
 
 ###################################
 Plugin E-ACSL 0.1 Nitrogen_20111001
 ###################################
 
--  E-ACSL	[2012/01/06] First public release.
+-  E-ACSL       [2012/01/06] First public release.
 
 ###################################